CN105293820B - It is a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment - Google Patents

It is a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment Download PDF

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CN105293820B
CN105293820B CN201510680421.8A CN201510680421A CN105293820B CN 105293820 B CN105293820 B CN 105293820B CN 201510680421 A CN201510680421 A CN 201510680421A CN 105293820 B CN105293820 B CN 105293820B
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module
water
biochemical
submodule
wastewater treatment
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CN201510680421.8A
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CN105293820A (en
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于鹏飞
马兴冠
张荣新
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沈阳建筑大学
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Abstract

It is suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment the present invention be more particularly directed to a kind of, the problem of the high concentrated organic wastewater treatment produced in breeding process for cities and towns rural area distributing milk cattle cultivating farm, carry out that technique is integrated and parameter designing, integrated technique is made up of 4 modules:Separation of solid and liquid module, one-level materialization module, secondary biochemical module, three-level advanced treating module, wherein separation of solid and liquid module are effluent centrifugal filter and cyclone separator;The regulation of one-level materialization module is closed and flocculation-air floating function;Secondary biochemical module sets anaerobism submodule and aerobic submodule, both anaerobism submodule and aerobic submodule arranged in series;Three-level advanced treating module mainly sets active sand filtering, disinfection by ultraviolet light submodule, the features such as present invention process has flexible, efficient, convenient, intelligent, ensure that waste water disposal facility economy, effectively, the operation of stabilization.

Description

It is a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment
Technical field
The invention belongs to technical field of waste water processing, more particularly to a kind of modularization for being suitable to milk cattle cultivating wastewater treatment Integrated technology process.At the high concentrated organic wastewater produced in breeding process for cities and towns rural area distributing milk cattle cultivating farm The problem of reason, carries out that technique is integrated and Parametric designing, realizes technical module, intellectuality, integrated.
Background technology
The small-scale milk cattle cultivating waste water of traditional single household can be used as Crops in Applying Fertilizer utilization, with urbanization process Accelerate and the increase to dairy produce demand, traditional breeding way can not meet the demand to dairy product, intensive milk Ox plant gradually grows up, but this small-sized dairy cow farm is still runed with family or cooperative society's farm mode, still The rural area of the length and breadth of land is so distributed in, scale is not concentrated, the organic wastewater that cultured dairy and preliminary working process are produced is not It is effectively addressed, greatly threat is brought to local environment.
Dairy cow farm waste water refers to milk cow urine, excrement, food-residue, water clock milk, flushing water and workman life, life The general name of the waste water produced during product, is a kind of typical high concentrated organic wastewater, endangers larger to surrounding environment.Milk cow is supported Waste water quality is grown relevant with animal house structure, cleaning up excrement mode, the use of flushing water, feed nutrient and production management etc., in water Containing compositions such as substantial amounts of organic matter, nitrogen, phosphorus, suspension, pathogenic bacteria, heavy metal element, residual animal medicine, protein and fat, Typically have the following properties that:(1) part excrement, urine are contained in waste water, content of organics is high, concentration of suspension is high, ammonia nitrogen concentration It is very high, while colourity is deeper;(2) there is substantial amounts of organic pollution in waste water, waste water B/C is generally 0.35~0.6, biochemical Property is preferable;(3) solid residue in waste water is mainly organic substance, if do not carried out effective separation of solid and liquid, will increase follow-up place Reason load, treatment is more difficult, influences treatment effect;(4) contain toxic pollutant in waste water, such as heavy metal, residual animal medicine and Substantial amounts of pathogen etc., being just thrown into environment without treatment can cause the severe contamination of ecological environment.
The tupe of milk cattle cultivating waste water mainly has cropland application, processes naturally and focus on.As society passes through The development of Ji, the soil for dissolving or processing fecal pollution water will be fewer and feweri, while Natural treatment mode has propagation The danger of disease, can bring the problem of secondary pollution, and it focuses on pattern and receive using having significant limitation Extensive concern, and it is increasingly becoming the emphasis of research.The requirement of distributing dairy cow farm wastewater treatment has flexibly, efficiently, just Prompt, intelligent the features such as, majority uses anaerobic-aerobic-biological cleaning group technology, according to the property of waste water, with reference to various waste water The characteristics of handling process, targeted and effective processing method is selected, while be should ensure that during waste water treatment process design useless Water processing establishment economy, operation effectively, stable.
The content of the invention
For technical problem present in prior art, present invention offer is a kind of to be suitable to the module of milk cattle cultivating wastewater treatment Change integrated technology process.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
The present invention is a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment, and waste water is supervised through monitoring modular Survey, separation of solid and liquid module, one-level materialization module, secondary biochemical module and three-level advanced treating mould are respectively enterd by computer controls Block is processed, and specifically includes following steps:
The first step:Enter water number by monitoring module monitors, judge SS values, when SS is less than 50mg/L, judge silt content;When When SS is more than 50mg/L, the centrifugal filter into separation of solid and liquid module is filtered, and the water outlet after filtering carries out the judgement of silt content;
Second step:Silt content is judged, when silt content is less than 5%, into one-level materialization module;When silt content is more than 5% When, into the air supporting cyclone separator of separation of solid and liquid module, the water outlet for through air supporting cyclone separator separate enters one-level materialization mould Block;
3rd step:Water outlet adjusted through one-level materialization module and close and flocculation-air floating;
4th step:Water number is detected, it is such as up to standard, then carry out secondary biochemical module;If not up to standard, then repeat above-mentioned first~ Four steps;
5th step:Monitoring enters water number into secondary biochemical module, judges SCOD values, as water inlet SCOD > 1200mg/L, Reacted into the efficient anaerobic filter tank of secondary biochemical module, otherwise carry out secondary biochemical module is thoroughly mixed Anaerobic Contact oxygen Change room reaction;As the efficient anaerobic filter tank water outlet SCOD > 8000mg/L of secondary biochemical module, using reflux type, reduce anaerobism The influent load in filter tank;
6th step:As secondary biochemical anaerobism submodule water outlet SCOD ≯ 8000mg/L, into semibatch biological rotating disk, warp Into the activated carbon filter tank of three-level advanced treating module after semibatch biological rotating disk, then carried out disinfection through ultraviolet ray sterilizer, Water after sterilization is monitored;
7th step:Water number is detected, as SS < 10mg/L, during TN < 15mg/L or TP < 0.5mg/L, is met and is required, End program;When discontented above-mentioned requirements, the aerobic biochemical submodule of secondary biochemical module is run, then carry out three-level depth Manage activated carbon filter tank, the disinfection by ultraviolet light of module.
Further, the separation of solid and liquid module includes effluent centrifugal filter and cyclone separator, big in separation waste water Particle suspensions or sediment.
Further, the effluent centrifugal filter rotary drum length is 2.0~4.0 times of diameter, and rotating speed meets with diameter: n2·D·10-6=2.3~3.0, wherein:N --- rotating speed r/min;D --- diameter m.
Further, the one-level materialization module be air supporting regulating reservoir, built-in flocculation-air floating medicament, flocculation-air floating medicament Injected volume:Selected according to water temperature, when temperature is less than 12 DEG C, add ferric trichloride and PAMA;When temperature is not low In 12 DEG C, PAC and HPAM (PAMA) is added.
Further, the secondary biochemical module sets anaerobism submodule and aerobic submodule, wherein anaerobism submodule bag Include the efficient anaerobic filter tank being set up in parallel includes the semi-batch being set up in parallel with Anaerobic Contact pond, aerobic submodule is thoroughly mixed Formula biological rotating disk, intermittent membrane bioreactor.
Further, the intermittent membrane bioreactor, is run in A/O modes, and anoxic, aerobic time compare 1:(3~ 5), the reaction time is according to influent concentration change, when inlet COD concentration is less than 500mg/L, 8~12h of aerobic time;Work as water inlet During COD 500~2000mg/L of concentration, 12~16h of aerobic time;When inlet COD concentration is more than 2000mg/L, aerobic time is big In 16h, reactor is intake in hypoxic exposure section, in aerobic time section water outlet.
Beneficial effects of the present invention:
1. the present invention is suitable to concentration high, complicated component and big small, fast, the scattered dairy cow farm wastewater treatment that fluctuates.
2. present invention process composite module degree is high, is conducive to technical transform for integrated equipment, save space.
3. present invention process combination technique is advanced, can simultaneously process COD, nitrogen, phosphorus, stably reaching standard, the renewable profit of water outlet With.
Brief description of the drawings
Fig. 1 is present invention process route map.
Fig. 2, Fig. 3 are computer programme flow diagram of the present invention.
1st, monitoring modular;2nd, separation of solid and liquid module;3rd, one-level materialization module;4th, secondary biochemical module;5th, advanced treating mould Block;6th, computer.
A. centrifugal filter;B. cyclone separator;C. air supporting regulating reservoir;D. efficient anaerobic filter tank;E. it is thoroughly mixed contact Oxidation reactor;F. semibatch biological rotating disk;G.IMBR (intermittent membrane bioreactor);H. active sandfiltration pot;I. it is ultraviolet Line disinfecting instrument.
--- --- --- -- process line;--- signal input output line.
Specific embodiment
With reference to Figure of description and embodiment, the present invention is further elaborated.
Embodiment:The present invention is a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment, and milk cattle cultivating gives up Water is monitored through online water quality monitoring module 1, and separation of solid and liquid module 2, one-level materialization module 3, two are respectively enterd by the control of computer 6 Level biochemical module 4 and three-level advanced treating module 5 are processed, and specifically include following steps:
The first step:Monitored into water number by monitoring modular 1, judge SS values, when SS is less than 50mg/L, judge silt content; When SS is more than 50mg/L, the effluent centrifugal filter a into separation of solid and liquid module 2 is filtered, and the water outlet after filtering is carried out containing sand The judgement of amount;
Second step:Silt content is judged, when silt content is less than 5%, into one-level materialization module;When silt content is more than 5% When, into the air supporting cyclone separator b of separation of solid and liquid module 2, the water outlet for through air supporting cyclone separator b separate enters one-level materialization Module 3;
3rd step:Water outlet adjusted through one-level materialization module 3 and close and flocculation-air floating;
4th step:Water number is detected, it is such as up to standard, then carry out secondary biochemical module 4;If not up to standard, then above-mentioned first is repeated ~the four steps;
5th step:Monitoring enters water number into secondary biochemical module, judges SCOD values, as water inlet SCOD > 1200mg/L, Reacted into the efficient anaerobic filter tank of secondary biochemical module, otherwise carry out secondary biochemical module is thoroughly mixed Anaerobic Contact oxygen Change room reaction;When the efficient anaerobic filter tank water outlet SCOD > 8000mg/L of block are given birth in two grades of materializations, using reflux type, reduce anaerobism The influent load in filter tank;
6th step:As secondary biochemical anaerobism submodule water outlet SCOD ≯ 8000mg/L, into semibatch biological rotating disk, warp Into the activated carbon filter tank of three-level advanced treating module after semibatch biological rotating disk, then carried out disinfection through ultraviolet ray sterilizer, Water after sterilization is monitored;
7th step:Water number is detected, as SS < 10mg/L, during TN < 15mg/L or TP < 0.5mg/L, is met and is required, End program;When discontented above-mentioned requirements, the aerobic biochemical submodule of secondary biochemical module is run, then carry out three-level depth Manage activated carbon filter tank, the disinfection by ultraviolet light of module.
The separation of solid and liquid module 2 includes effluent centrifugal filter a and cyclone separator b, in main separation breeding wastewater The organic matter such as animal wastes and part swill, bulky grain suspension or sediment are separated from waste water, it is to avoid after Continuous processing equipment is blocked, and reduces the organic load of waste water.
The effluent centrifugal filter a rotary drums length is 2.0~4.0 times of diameter, and rotating speed meets with diameter:n2·D· 10-6=2.3~3.0, wherein:N --- rotating speed r/min;D --- diameter m.
The one-level materialization module 3 is air supporting regulating reservoir c, is closed and flocculation-air floating function with regulation, and is integrated in same In one reactor, volume adjusted is daily process water 3~5 times.The built-in flocculation-air floating medicament of air supporting regulating reservoir, flocculation-air floating The injected volume of medicament:Selected according to water temperature, when temperature is less than 12 DEG C, add ferric trichloride and HPAM (anion pp acyls Amine);When temperature is not less than in 12 DEG C, PAC and HPAM (PAMA) is added.
The secondary biochemical module sets the anaerobism submodule and aerobic submodule being connected in series, wherein anaerobism submodule bag Include the efficient anaerobic filter tank being set up in parallel includes the semibatch being set up in parallel with Anaerobic Contact pond, aerobic submodule is thoroughly mixed Biological rotating disk, IMBR (intermittent membrane bioreactor).
Efficient anaerobic filter tank (EAF) is the anaerobic biological reactor that microbe carrier (i.e. filtrate) is filled with inside one kind, Using new type polyester fiber ball filtering material as carrier, voidage reaches 85%, 50000~100000m of specific surface area2/ g, anaerobism Microbial portion apposition growth forms anaerobic organism film, partly suspension growth, solid-liquid separation between filtrate space on filtrate Stream flows through the filtrate for hanging with biomembrane, and the organic matter in biofilm surface absorption water is turned by the microbial degradation in biomembrane Change, be mainly used in dissolved organic matter concentration water quality high, maximum organic loading is generally in 8~18kgCOD/ (m3D) it Between, the water after purification is drained into outside pond by drainage equipment, and produced biogas is collected utilization.
It is thoroughly mixed and different stream folded plate is set in Anaerobic Contact pond, reaction tank, sewage is by being arranged on each folded plate interval bottom Water-locator enter reactor, folded plate current flow through whole reaction zone in the form of upper and lower baffling, create good waterpower bar Part, greatly improves the capacity utilization of reactor, biosolids interception capacity and microorganism population distributing bar with stabilization Part, is suitable to process the organic wastewater of high concentration, and treatment effect is good and stable.
Semibatch biological rotating disk, using two-stage biological rotating disk arranged in series, the operation of one-level turntable intermittent, disc surface has Machine 12~15g of load BOD5/(m2·d);Two stage biological rotating disk continuously runs.
The batch (-type) IMBR (intermittent membrane bioreactor), is run in A/O modes, and anoxic, aerobic time compare 1:(3 ~5), and the reaction time changes according to influent concentration, when inlet COD concentration is less than 500mg/L, 8~12h of aerobic time;When entering During water COD 500~2000mg/L of concentration, 12~16h of aerobic time;When inlet COD concentration is more than 2000mg/L, aerobic time More than 16h, reactor is intake in hypoxic exposure section, and in aerobic time section water outlet, this mode is run need not precipitate operation.
Three-level advanced treating module 4 includes active sand filtering tank h, disinfection by ultraviolet light submodule i, both arranged in series.
Online monitoring modular 1 is set in water inlet end, is collected by the water quality information to raw water, analysis, by result export to Computer 6, signal is sent from computer 6 to individual module or submodule unit, to control the automatic operating of integrated artistic.

Claims (6)

  1. It is 1. a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment, it is characterised in that:Waste water is through monitoring modular Monitoring, separation of solid and liquid module, one-level materialization module, secondary biochemical module and three-level advanced treating are respectively enterd by computer controls Module is processed, and specifically includes following steps:
    The first step:Enter water number by monitoring module monitors, judge SS values, when SS is less than 50mg/L, judge silt content;When SS is big When 50mg/L, the effluent centrifugal filter into separation of solid and liquid module is filtered, and the water outlet after filtering carries out the judgement of silt content;
    Second step:Silt content is judged, when silt content is less than 5%, into one-level materialization module;When silt content is more than 5%, enter Enter the air supporting cyclone separator of separation of solid and liquid module, the water outlet for through air supporting cyclone separator separate enters one-level materialization module;
    3rd step:Water outlet adjusted through one-level materialization module and close and flocculation-air floating;
    4th step:Water number is detected, it is such as up to standard, then carry out secondary biochemical module;If not up to standard, then the above-mentioned first~the 4th is repeated Step;
    5th step:Monitoring enters water number into secondary biochemical module, judges SCOD values, as water inlet SCOD > 1200mg/L, enters Reacted in the efficient anaerobic filter tank of secondary biochemical module, otherwise carry out secondary biochemical module is thoroughly mixed Anaerobic Contact oxidizing chamber Reaction;As the efficient anaerobic filter tank water outlet SCOD > 8000mg/L of secondary biochemical module, using reflux type, reduce anaerobic filter Influent load;
    6th step:As secondary biochemical anaerobism submodule water outlet SCOD ≯ 8000mg/L, into semibatch biological rotating disk, between half Into the activated carbon filter tank of three-level advanced treating module after formula of having a rest biological rotating disk, then carried out disinfection through ultraviolet ray sterilizer, offseted Water after poison is monitored;
    7th step:Water number is detected, as SS < 10mg/L, during TN < 15mg/L or TP < 0.5mg/L, is met and is required, terminated Program;When above-mentioned requirements are unsatisfactory for, the intermittent film biological respinse in the aerobic biochemical submodule of secondary biochemical module is run Device, then carries out activated carbon filter tank, the disinfection by ultraviolet light of three-level advanced treating module.
  2. 2. the modularization integrated technology process of milk cattle cultivating wastewater treatment is suitable to as claimed in claim 1, it is characterised in that:It is described Separation of solid and liquid module includes effluent centrifugal filter and air supporting cyclone separator, separates bulky grain suspension or precipitation in waste water Thing.
  3. 3. the modularization integrated technology process of milk cattle cultivating wastewater treatment is suitable to as claimed in claim 2, it is characterised in that:It is described Effluent centrifugal filter rotary drum length is 2.0~4.0 times of diameter, and rotating speed meets with diameter:n2·D·10-6=2.3~3.0, Wherein:N --- rotating speed r/min;D --- diameter m.
  4. 4. the modularization integrated technology process of milk cattle cultivating wastewater treatment is suitable to as claimed in claim 1, it is characterised in that:It is described One-level materialization module is air supporting regulating reservoir, built-in flocculation-air floating medicament, the injected volume of flocculation-air floating medicament:Selected according to water temperature, When temperature is less than 12 DEG C, ferric trichloride and PAMA are added;When temperature is not less than 12 DEG C, PAC and HPAM is added (PAMA).
  5. 5. the modularization integrated technology process of milk cattle cultivating wastewater treatment is suitable to as claimed in claim 1, it is characterised in that:It is described Secondary biochemical module sets anaerobism submodule and aerobic submodule, and wherein anaerobism submodule includes the efficient anaerobic filter being set up in parallel Pond includes the semibatch biological rotating disk, the intermittent film that are set up in parallel with Anaerobic Contact oxidation pond, aerobic submodule is thoroughly mixed Bioreactor.
  6. 6. the modularization integrated technology process of milk cattle cultivating wastewater treatment is suitable to as claimed in claim 1, it is characterised in that:It is described Intermittent membrane bioreactor, is run in A/O modes, and anoxic, aerobic time compare 1:(3~5), the reaction time is according to influent concentration Change, when inlet COD concentration is less than 500mg/L, 8~12h of aerobic time;As 500~2000mg/L of inlet COD concentration, 12~16h of aerobic time;When inlet COD concentration is more than 2000mg/L, aerobic time is more than 16h, and reactor is in hypoxic exposure Duan Jinshui, in aerobic time section water outlet.
CN201510680421.8A 2015-10-19 2015-10-19 It is a kind of to be suitable to the modularization integrated technology process of milk cattle cultivating wastewater treatment CN105293820B (en)

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CN105753267B (en) * 2016-05-04 2018-03-27 荆州职业技术学院 Handle the integrated sewage treating apparatus of auto repair waste water
CN106430806B (en) * 2016-07-25 2019-12-24 吉林省零点环境科技有限公司 Modularized integrated process method for kitchen waste filtrate
CN106167334B (en) * 2016-07-27 2019-12-17 广州欣美水务科技有限公司 treatment method for cold drink wastewater and modular integrated system
CN106145546A (en) * 2016-08-24 2016-11-23 广东水清环保科技有限公司 The processing method of a kind of livestock breed aquatics waste water and system thereof
CN106348547B (en) * 2016-11-08 2019-08-09 沈阳建筑大学 A kind of print paper money wastewater treatment integrated technique system and method
CN106977042B (en) * 2016-11-09 2021-01-29 沈阳建筑大学 Modularized integration method suitable for soy sauce brewing wastewater treatment
CN106800357B (en) * 2017-01-09 2020-11-24 江苏卓燃工程咨询有限公司 Modular integration for wool washing wastewater treatment and process method thereof
CN106587542B (en) * 2017-01-16 2019-06-04 沈阳建筑大学 A kind of integrated technique system and method handling cotton industry waste water
CN107902839A (en) * 2017-11-23 2018-04-13 沈阳建筑大学 A kind of modularization integrated system and technique suitable for composite waste of electrolytic plating processing
CN108002656A (en) * 2017-12-21 2018-05-08 沈阳建筑大学 A kind of modularization integrated technique system and method for handling meat processing waste water
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CN103435224A (en) * 2013-08-21 2013-12-11 江苏鑫林环保设备有限公司 Waste water treatment technology for livestock breeding
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