CN107758989A - High saliferous trade effluent recycling system - Google Patents

High saliferous trade effluent recycling system Download PDF

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Publication number
CN107758989A
CN107758989A CN201610679660.6A CN201610679660A CN107758989A CN 107758989 A CN107758989 A CN 107758989A CN 201610679660 A CN201610679660 A CN 201610679660A CN 107758989 A CN107758989 A CN 107758989A
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China
Prior art keywords
parts
baf ponds
catalysis oxidation
oxidation pond
ponds
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CN201610679660.6A
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Chinese (zh)
Inventor
唐新亮
乐淑荣
宋小林
况定文
温文鹏
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ZHONGHAI ASPHALT (TAIZHOU) CO Ltd
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ZHONGHAI ASPHALT (TAIZHOU) CO Ltd
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Priority to CN201610679660.6A priority Critical patent/CN107758989A/en
Publication of CN107758989A publication Critical patent/CN107758989A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/105—Characterized by the chemical composition
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/34—Organic compounds containing oxygen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biological Treatment Of Waste Water (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The present invention discloses a kind of high saliferous trade effluent recycling system, including catalysis oxidation pond, oxidation-stabilized pond, rear biochemical BAF ponds, clear water reserviors, the comprehensive tank of dilution, pretreated primary BAF ponds, pretreatment two level BAF ponds, air main and discharge bay；One ozone generator is connected to inside catalysis oxidation pond by gas pipeline, and the inlet opening of the clear water reserviors is connected with rear biochemical BAF ponds by back segment transfer conduit, and the floating stuffing is made up of the component of following parts by weight：60 ~ 70 parts of high density polyethylene (HDPE), 10 ~ 15 parts of acrylic resin, 6 ~ 8 parts of low density polyethylene (LDPE), 8 ~ 10 parts of bamboo carbon powder, 4 ~ 6 parts of wood powder, 2 ~ 3 parts of lignin, 2 ~ 3 parts of dichloromethane, 1 ~ 2 part of diethyl guanidine sulfate, N, 0.5 ~ 1 part of N' ethylene bis stearamides.The present invention improves the tolerance to high saliferous phenol wastewater, improves high saliferous phenol wastewater advanced treating effect.

Description

High saliferous trade effluent recycling system
Technical field
The present invention relates to a kind of high saliferous trade effluent recycling system, belong to technical field of waste water processing.
Background technology
The processing method for being presently used for phenol wastewater mainly has extraction, absorption method, chemical oxidization method, biochemical treatment process Deng.Extraction high energy consumption, extractant easily occurs and residues in follow-up waste water, influences follow-up processing procedure；Absorption method operation letter It is single, it is suitable for the relatively low waste water of amount containing phenol, but equipment one-time investment is larger, and adsorbent reactivation is difficult；Though chemical method energy Oxidation removes phenol, but direct oxidation operating cost is higher.
The content of the invention
It is an object of the present invention to provide a kind of high saliferous trade effluent recycling system, the high saliferous trade effluent is used back Receive and macromolecular hardly degraded organic substance is oxidized to the easily biochemical organic matter of small molecule using system, and then obtain the biochemical of water outlet Improve, then mineralising is carried out to the organic matter in water by rear biochemical interior circulation BAF systems, improve high saliferous phenol wastewater depth Treatment effect.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of high saliferous trade effluent recycling system System, including it is catalysis oxidation pond, oxidation-stabilized pond, rear biochemical BAF ponds, clear water reserviors, the comprehensive tank of dilution, pretreated primary BAF ponds, pre- Handle two level BAF ponds, air main and discharge bay, the comprehensive tank of the dilution, pretreated primary BAF ponds, pretreatment two level BAF ponds and Discharge bay passes sequentially through the connection of leading portion transfer conduit, the catalysis oxidation pond, oxidation-stabilized pond, rear biochemical BAF ponds and clear water reserviors The connection of back segment transfer conduit is passed sequentially through, the discharge bay is connected in catalysis oxidation pond with catalysis oxidation pond by inlet channel Portion；
One ozone generator is connected to inside catalysis oxidation pond by gas pipeline, and the clear water reserviors are provided with inlet opening, water outlet Hole, the inlet opening of the clear water reserviors are connected with rear biochemical BAF ponds by back segment transfer conduit, and the clear water reserviors are connected to a backwash Pump one end, this backwashing pump other end is connected to catalysis oxidation pond, inside rear biochemical BAF ponds by back segment reflux line, described to urge Change oxidation pond and ozone catalytic particle is filled with fixed bed form, the comprehensive tank of dilution is provided with charge door and agitator；
It is horizontal that the pretreated primary BAF ponds, pretreatment two level BAF ponds include pool wall, sieve plate and aeration passage, the sieve plate Pool wall bottom is arranged at, a biological packing area is filled in the middle part of pool wall and it is located at sieve plate upper surface, and the aeration passage is located at Biologic packing material area centre, an aeration head positioned at aeration channel bottom, one positioned at aeration passage in branch wind pipe both ends respectively with Air main connects with aeration head；
Several biologic packing materials are placed with biochemical BAF ponds after described, the biologic packing material is overlying on carrier surface by carrier and extension Microbial film composition；
The carrier is obtained by following steps：
Step 1: take 60 ~ 70 parts of high density polyethylene (HDPE), 10 ~ 15 parts of acrylic resin, 6 ~ 8 parts of low density polyethylene (LDPE), dichloromethane 2 ~ 3 parts of alkane, 1 ~ 2 part of diethyl guanidine sulfate, N, 0.5 ~ 1 part of N'- ethylene bis stearamides, 3 ~ 5 parts of maleic anhydride, peroxidating two 0.2 ~ 0.6 part of isopropylbenzene, 1.5 ~ 3 parts of gelatin, 1 ~ 2 part of magnetic, 0.5 ~ 1 part of pentaerythritol stearate, it is placed in mixer high Speed stirs, and after temperature is slowly raised to 120 DEG C, stirring at low speed is cooled to 40 DEG C, adds 5 ~ 10 parts of bamboo carbon powder, timber 4 ~ 6 parts of powder, 5 ~ 8 parts of lignin are evenly stirred until room temperature；
Step 2: above-mentioned solid material is put into double screw extruder, melting extrusion is granulated；
Step 3: again putting into the particle produced above in 45 type single screw extrusion machines, by extrusion die extrusion forming, obtain The carrier, this carrier are cylinder, and axial cross reinforcing rib is set in it, sets axially radial fin on cylinder outer wall.
Further improved technical scheme is as follows in above-mentioned technical proposal：
Preferably, a dividing plate is vertically provided with the catalysis oxidation pond, it is left and right so as to which catalysis oxidation pond be divided into Chamber, catalysis oxidation pond lower horizontal are provided with a sieve plate, and the lower end of this dividing plate is installed to the upper surface of sieve plate, the ozone Catalysed particulate is located above sieve plate and is located at dividing plate both sides.
Preferably, also include the backwash sedimentation basin, leading portion supernatant liquid pool and pretreatment backwashing pump being sequentially connected, it is described anti- Wash sedimentation basin and pretreated primary BAF ponds, pretreatment two level BAF ponds, the pretreatment are connected to by the first pipeline, second pipe Backwashing pump is connected to pretreated primary BAF ponds, pretreatment two level BAF ponds by leading portion reflux line.
Preferably, the ozone generator is connected to the bottom in catalysis oxidation pond by gas pipeline.
Preferably, the density of the carrier for microorganism rapid biofilm is 0.96~0.98g/cm3。
Because above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：
1st, the high saliferous trade effluent recycling system of the present invention, carrier biofilm speed is fast in biochemical BAF ponds thereafter, is not easy to take off Fall, treatment effeciency is high, the processing of low-concentration organic and ammonia nitrogen suitable for sewage, low-concentration organic waste water, life of the invention Thing filler has extremely strong hydrophily and bioaffinity, and filler has very strong adsorption strength to biomembrane in itself, favorably In the retention and accumulation of biomass on filling carrier, its ammonia nitrogen removal frank more than 92%, COD clearances more than 78%, therefore can be compared with Wastewater treatment under good adaptation low consistency conditions.
2nd, the present invention is used for high salt ammonia nitrogen sewage treatment equipment, is further used in carrier compound in biochemical BAF ponds thereafter Resin material based on high density polyethylene (HDPE) 60 ~ 70 parts of 10 ~ 15 parts of acrylic resins of collocation, 6 ~ 8 parts of low density polyethylene (LDPE)s, addition 3 ~ 5 parts of maleic anhydride, cumyl peroxide and gelatin, the contact angle of sewage and carrier is reduced, improves the hydrophilic of carrier Property and impact resistance, make microorganism be easier to be attached on carrier, and hydrophilic bio-carrier specific surface area is big, adsorptivity is extremely strong, It can prevent the microbial film that carrier outer surface adheres to from being come off because being rubbed between carrier in water, it is short the time required to biofilm, improve Waste water treatment efficiency, ammonia nitrogen removal frank, more than 78%, therefore can be well adapted under low consistency conditions more than 92%, COD clearances Wastewater treatment；Secondly, 0.5 ~ 2 part of magnetic combines 0.5 ~ 1 part of pentaerythritol stearate during it is formulated, and is advantageous to improve carrier The biofilm amount of biomembrane.
3rd, the present invention be used for high salt ammonia nitrogen sewage treatment equipment, thereafter in biochemical BAF ponds carrier high density polyethylene (HDPE), gather Bamboo carbon powder, wood powder, lignin are further added in allyl resin, low density polyethylene (LDPE), filler is not only improved and produces suction Attached power, the adsorbance on increase filler surface, it is also beneficial to microorganism and quickly colonizes growth in early days, and it is strong to strengthen biomembrane absorption Degree, it is difficult for drop-off.
4th, the present invention is used for high salt ammonia nitrogen sewage treatment equipment, collocation addition two in carrier system in biochemical BAF ponds thereafter Chloromethanes, diethyl guanidine sulfate, N, N'- ethylene bis stearamides and magnetic, the porous space of specific structure can be formed, is carried Magnetization effect is formed compared with ferromagnetism, improves Pollutants in Wastewater conversion rate and efficiency, improves the activity of microorganism, micro- life in water Thing is after magnetization, and the microorganism for adapting to survive has bigger propagation and metabolic capability so that organic pollution exists In the presence of low-intensity magnetic field, gathered by the effect such as magnetic force key, magnetic force, Lorentz force and mangneto cavity effect through magnetic, adsorbed, enrichment To magnetic biological filling material surface, oxygen is paramagnet, can be adsorbed near biologic packing material during aeration, increase under magnetic fields The oxygen concentration on big filler surface, promotes the breeding of aerobe, and low-intensity magnetic field also has the activity and enzyme activity of inducing microbial in addition Property effect, substantially reduce power stirring energy consumption, improve filler the effect of.
5th, the high saliferous trade effluent recycling system of the present invention, macromolecular hardly degraded organic substance is oxidized to small point by it Sub easily biochemical organic matter, and then improved the biochemical of water outlet, then by rear biochemical interior circulation BAF systems to having in water Machine thing carries out mineralising, improves high saliferous phenol wastewater advanced treating effect；Secondly, improve to the resistance to of high saliferous phenol wastewater By ability so that in the catalytic oxidation treatment process to saline sewage, catalyst ozone produces active hydroxyl radical free radical, The biodegradability of removal, decolouring, de- stench, degraded toxic pollutant and raising waste water to waste water COD keeps effect well Fruit.
Brief description of the drawings
Accompanying drawing 1 is the high saliferous trade effluent recycling system structural representation of the present invention；
Accompanying drawing 2 is pretreated primary BAF ponds of the present invention, pretreatment two level BAF pool structure schematic diagrames；
Accompanying drawing 3 is the partial structural diagram of accompanying drawing 1.
In the figures above：1st, catalysis oxidation pond；2nd, oxidation-stabilized pond；3rd, rear biochemical BAF ponds；4th, clear water reserviors；41st, intake Hole；42nd, apopore；51st, leading portion transfer conduit；52nd, back segment transfer conduit；6th, elevator pump；7th, inlet channel；8th, ozone occurs Device；9th, gas pipeline；10th, back segment reflux line；11st, backwashing pump；12nd, ozone catalytic particle；15th, pretreated primary BAF ponds； 16th, two level BAF ponds are pre-processed；17th, discharge bay；18th, comprehensive tank is diluted；181st, charge door；182nd, agitator；19th, backwash precipitates Pond；201st, the first pipeline；202nd, backwash sedimentation basin；21st, leading portion supernatant liquid pool；22nd, backwashing pump is pre-processed；23rd, leading portion return duct Road；24th, air main；25th, biologic packing material area；26th, it is aerated passage；27th, aeration head；28th, branch wind pipe.
Embodiment
With reference to embodiment, the invention will be further described：
Embodiment 1 ~ 4：A kind of high saliferous trade effluent recycling system, including catalysis oxidation pond 1, oxidation-stabilized pond 2, after Biochemical BAF ponds 3, clear water reserviors 4, the comprehensive tank 18 of dilution, pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16, air main 24 With discharge bay 17, dilution comprehensive tank 18, pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16 and the discharge bay 17 are successively Connected by leading portion transfer conduit 51,
The catalysis oxidation pond 1, oxidation-stabilized pond 2, rear biochemical BAF ponds 3 and clear water reserviors 4 pass sequentially through back segment transfer conduit 52 and connected Connecing, the discharge bay 17 is connected to inside catalysis oxidation pond 1 with catalysis oxidation pond 1 by inlet channel 7,
One ozone generator 8 is connected to inside catalysis oxidation pond 1 by gas pipeline 9, and the clear water reserviors 4 are provided with inlet opening 41st, apopore 42, the inlet opening 41 of the clear water reserviors 4 are connected with rear biochemical BAF ponds 3 by back segment transfer conduit 52, described clear Pond 4 is connected to the one end of a backwashing pump 11, and this other end of backwashing pump 11 is connected to catalysis oxidation pond by back segment reflux line 10 1st, inside rear biochemical BAF ponds 3, the catalysis oxidation pond 1 is filled with ozone catalytic particle 12 with fixed bed form, and the dilution is comprehensive Close tank 18 and be provided with charge door 181 and agitator 182；
The pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16 include pool wall 13, sieve plate 14 and aeration passage 26, institute State sieve plate 14 and be horizontally placed on the bottom of pool wall 13, a biological packing area 25 is filled in the middle part of pool wall 13 and it is located at the upper table of sieve plate 14 Face, the aeration passage 26 are located at the centre of biologic packing material area 25, and an aeration head 27 is positioned at aeration passage 26 bottom, and one positioned at exposure The both ends of branch wind pipe 28 in gas passage 26 are connected with air main 24 and aeration head 27 respectively.
A dividing plate 13 is vertically provided with above-mentioned catalysis oxidation pond 1, so as to which catalysis oxidation pond is divided into left and right chamber, The lower horizontal of catalysis oxidation pond 1 is provided with a sieve plate 14, and the lower end of this dividing plate 13 is installed to the upper surface of sieve plate 14, described Ozone catalytic particle 12 is located at the top of sieve plate 14 and is located at the both sides of dividing plate 13.
Also include the backwash sedimentation basin 19, leading portion supernatant liquid pool 21 and pretreatment backwashing pump 22 being sequentially connected, the backwash Sedimentation basin 19 is connected to pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16 by the first pipeline 201, second pipe 201, The pretreatment backwashing pump 22 is connected to pretreated primary BAF ponds 15, pretreatment two level BAF ponds by leading portion reflux line 23 16。
Above-mentioned ozone generator 8 is connected to the bottom in catalysis oxidation pond 1 by gas pipeline 9.
Several biologic packing materials are placed with biochemical BAF ponds after above-mentioned, the biologic packing material is overlying on carrier by carrier and extension The microbial film composition on surface；Above-mentioned carrier is made up of the component of following parts by weight, as shown in table 1：
Table 1
The density of the above-mentioned carrier for microorganism rapid biofilm is 0.96~0.98g/cm3。
Above-mentioned white lime is with Tao Shi Powdered Activated Carbons and precipitated calcium carbonate according to 1：1.2：0.9 parts by weight mix.
Note：The magnetic of embodiment 1 is ferroso-ferric oxide magnetic；The magnetic of embodiment 2 is ferroso-ferric oxide magnetic, manganese-zinc ferrite installation 1：1 mixing；The magnetic of embodiment 3 is manganese-zinc ferrite and nickel-zinc ferrite according to 1：2 mixing；The magnetic of embodiment 4 is manganese-zinc ferrite Body.
A kind of manufacture method for above-mentioned suspension microorganism filler, comprise the following steps：
Step 1: take 60 ~ 70 parts of high density polyethylene (HDPE), 10 ~ 15 parts of acrylic resin, 6 ~ 8 parts of low density polyethylene (LDPE), dichloromethane 2 ~ 3 parts of alkane, 1 ~ 2 part of diethyl guanidine sulfate, N, 0.5 ~ 1 part of N'- ethylene bis stearamides, 3 ~ 5 parts of maleic anhydride, peroxidating two 0.2 ~ 0.6 part of isopropylbenzene, 1.5 ~ 3 parts of gelatin, 1 ~ 2 part of magnetic, 0.5 ~ 1 part of pentaerythritol stearate, it is placed in mixer high Speed stirs, and after temperature is slowly raised to 120 DEG C, stirring at low speed is cooled to 40 DEG C, adds 5 ~ 10 parts of bamboo carbon powder, timber 4 ~ 6 parts of powder, 5 ~ 8 parts of lignin are evenly stirred until room temperature；
Step 2: above-mentioned solid material is put into double screw extruder, melting extrusion is granulated；
Step 3: again putting into the particle produced above in 45 type single screw extrusion machines, by extrusion die extrusion forming, obtain Filler be cylinder, axial cross reinforcing rib is set in it, sets axially radial fin on cylinder outer wall.
The high saliferous trade effluent recycling system of the present invention, the course of work is as follows, comprises the steps：
（1）High saliferous phenol wastewater squeezes into interior circulation BAF systems by pump, and sewage is lifted along aeration tube, then by biological bed, is formed Recycle stream.Water velocity inside packing layer reaches 20~30m/h, improves the mass transfer velocity between biomembrane and aqueous phase, improves The treatment efficiency and impact resistance of reactor, while prevent and gas caused by the channel to be formed directly is aerated to packing layer Water short circuit phenomenon occurs.The biochemical component of high saliferous phenol wastewater is degraded by the BAF systems of pretreatment, so as to drop Low bio-chemical effluent COD；
（2）Biochemistry pre-processes water outlet gravity flow into catalytic ozonation, rear biochemical interior circulation BAF coupling technique processing systems, should System carries out catalytic oxidation first with ozone, using a part of refractory organic of ozone oxidation, makes macromolecular Oxidation operation can improve the biodegradability of pretreatment water outlet into small organic molecule；
（3）Circulation BAF advanced treatment systems in catalytic ozonation water outlet is biochemical after entering, the biochemical reaction tank utilize domestication Mushroom carries out biodegradation to the small organic molecule of ozone oxidation water outlet, water outlet COD is further reduced.
Product A, B, C, the D for taking same amount of embodiment to obtain, are placed in 4 parallel bioreactors and are tested.It is dirty Mud and waste water are certain chemical engineering sewage processing unit bio-chemical effluent, are carried out wherein testing in MBBR, are suspended Media-filling rate is 40%, pH 6.3-7.6, and temperature is 20-30 DEG C, C/N/P=100：5：Under conditions of 1, DO=1.5 ~ 3mg/L, Hydraulic detention time 5h, as a result as shown in table 2.
The result of the test of the carrier of table 2
Kind of carrier The biofilm time（d） Water outlet COD（mg/L） Water outlet ammonia nitrogen（mg/L） COD clearances（%） Ammonia nitrogen removal frank（%）
Embodiment 1 9 36 2 80.5 96
Embodiment 2 10 34 2 83 97
Embodiment 3 10 35 2 82 96
Embodiment 4 9 37 2 79.5 97
From table 2, the carrier biofilm time prepared by the inventive method substantially shortens, and the clearance of COD and ammonia nitrogen significantly improves.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.

Claims (5)

  1. A kind of 1. high saliferous trade effluent recycling system, it is characterised in that：Including catalysis oxidation pond（1）, it is oxidation-stabilized Pond（2）, rear biochemical BAF ponds（3）, clear water reserviors（4）, the comprehensive tank of dilution（18）, pretreated primary BAF ponds（15）, pretreatment two level BAF ponds（16）, air main（24）And discharge bay（17）, the comprehensive tank of dilution（18）, pretreated primary BAF ponds（15）, pre- place Manage two level BAF ponds（16）And discharge bay（17）Pass sequentially through leading portion transfer conduit（51）Connection；
    The catalysis oxidation pond（1）, oxidation-stabilized pond（2）, rear biochemical BAF ponds（3）And clear water reserviors（4）Pass sequentially through back segment transmission Pipeline（52）Connection, the discharge bay（17）With catalysis oxidation pond（1）Pass through inlet channel（7）It is connected to catalysis oxidation pond（1） It is internal；
    One ozone generator（8）Pass through gas pipeline（9）It is connected to catalysis oxidation pond（1）Inside, the clear water reserviors（4）It is provided with Inlet opening（41）, apopore（42）, the clear water reserviors（4）Inlet opening（41）With rear biochemical BAF ponds（3）Pass through back segment transfer tube Road（52）Connection, the clear water reserviors（4）It is connected to a backwashing pump（11）One end, this backwashing pump（11）The other end is flowed back by back segment Pipeline（10）It is connected to catalysis oxidation pond（1）, rear biochemical BAF ponds（3）Inside, the catalysis oxidation pond（1）With fixed bed form Filled with ozone catalytic particle（12）, the comprehensive tank of dilution（18）It is provided with charge door（181）And agitator（182）；
    The pretreated primary BAF ponds（15）, pretreatment two level BAF ponds（16）Include pool wall（13）, sieve plate（14）And aeration Passage（26）, the sieve plate（14）It is horizontally placed on pool wall（13）Bottom, a biological packing area（25）It is filled in pool wall（13）In Portion and its be located at sieve plate（14）Upper surface, the aeration passage（26）Positioned at biologic packing material area（25）Centre, an aeration head （27）Positioned at aeration passage（26）Bottom, one positioned at aeration passage（26）Interior branch wind pipe（28）Both ends respectively with air main（24） And aeration head（27）Connection；
    Biochemical BAF ponds after described（3）Several biologic packing materials are inside placed with, the biologic packing material is overlying on carrier table by carrier and extension The microbial film composition in face；
    The carrier is obtained by following steps：
    Step 1: take 60 ~ 70 parts of high density polyethylene (HDPE), 10 ~ 15 parts of acrylic resin, 6 ~ 8 parts of low density polyethylene (LDPE), dichloromethane 2 ~ 3 parts of alkane, 1 ~ 2 part of diethyl guanidine sulfate, N, 0.5 ~ 1 part of N'- ethylene bis stearamides, 3 ~ 5 parts of maleic anhydride, peroxidating two 0.2 ~ 0.6 part of isopropylbenzene, 1.5 ~ 3 parts of gelatin, 1 ~ 2 part of magnetic, 0.5 ~ 1 part of pentaerythritol stearate, it is placed in mixer high Speed stirs, and after temperature is slowly raised to 120 DEG C, stirring at low speed is cooled to 40 DEG C, adds 5 ~ 10 parts of bamboo carbon powder, timber 4 ~ 6 parts of powder, 5 ~ 8 parts of lignin are evenly stirred until room temperature；
    Step 2: above-mentioned solid material is put into double screw extruder, melting extrusion is granulated；
    Step 3: again putting into the particle produced above in 45 type single screw extrusion machines, by extrusion die extrusion forming, obtain The carrier, this carrier are cylinder, and axial cross reinforcing rib is set in it, sets axially radial fin on cylinder outer wall.
  2. 2. high saliferous trade effluent recycling system according to claim 1, it is characterised in that：The catalysis oxidation Pond（1）Inside vertically it is provided with a dividing plate（13）, so as to which catalysis oxidation pond is divided into left and right chamber, the catalysis oxidation pond（1） Lower horizontal is provided with a sieve plate（14）, this dividing plate（13）Lower end be installed to sieve plate（14）Upper surface, the ozone catalytic Particle（12）Positioned at sieve plate（14）Top and it is located at dividing plate（13）Both sides.
  3. 3. high saliferous trade effluent recycling system according to claim 1, it is characterised in that：Also include connecting successively The backwash sedimentation basin connect（19）, leading portion supernatant liquid pool（21）With pretreatment backwashing pump（22）, the backwash sedimentation basin（19）Pass through First pipeline（201）, second pipe（201）It is connected to pretreated primary BAF ponds（15）, pretreatment two level BAF ponds（16）, it is described Pre-process backwashing pump（22）Pass through leading portion reflux line（23）It is connected to pretreated primary BAF ponds（15）, pretreatment two level BAF ponds （16）.
  4. 4. high saliferous trade effluent recycling system according to claim 1, it is characterised in that：The ozone occurs Device（8）Pass through gas pipeline（9）It is connected to catalysis oxidation pond（1）Bottom.
  5. 5. high saliferous trade effluent recycling system according to claim 1, it is characterised in that：It is described to be used for micro- life The density of the carrier of thing rapid biofilm is 0.96~0.98g/cm3。
CN201610679660.6A 2016-08-17 2016-08-17 High saliferous trade effluent recycling system Pending CN107758989A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204897660U (en) * 2015-08-24 2015-12-23 苏州科环环保科技有限公司 A dark treatment facility of environment -friendly that is used for high salt industry sewage that contains
CN105621595A (en) * 2016-01-27 2016-06-01 苏州科环环保科技有限公司 Hydrophilic carrier for microbial biofilm formation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204897660U (en) * 2015-08-24 2015-12-23 苏州科环环保科技有限公司 A dark treatment facility of environment -friendly that is used for high salt industry sewage that contains
CN105621595A (en) * 2016-01-27 2016-06-01 苏州科环环保科技有限公司 Hydrophilic carrier for microbial biofilm formation

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