CN109179798A - A kind of compound fertilizer sewage recovering system based on electrodialytic technique - Google Patents
A kind of compound fertilizer sewage recovering system based on electrodialytic technique Download PDFInfo
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- CN109179798A CN109179798A CN201810937712.4A CN201810937712A CN109179798A CN 109179798 A CN109179798 A CN 109179798A CN 201810937712 A CN201810937712 A CN 201810937712A CN 109179798 A CN109179798 A CN 109179798A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 29
- 239000003337 fertilizer Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000010865 sewage Substances 0.000 title claims abstract description 19
- 238000000909 electrodialysis Methods 0.000 claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 239000002351 wastewater Substances 0.000 claims abstract description 18
- 239000010802 sludge Substances 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims abstract description 5
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 26
- 239000013505 freshwater Substances 0.000 claims description 15
- 230000003472 neutralizing effect Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 10
- 230000001112 coagulating effect Effects 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 9
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 7
- 238000004062 sedimentation Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000000502 dialysis Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000012267 brine Substances 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 3
- 239000008400 supply water Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011335 coal coke Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F2101/105—Phosphorus compounds
Abstract
The invention discloses a kind of compound fertilizer sewage recovering system based on electrodialytic technique, including pretreatment system, physical filtering system, electrodialysis system；The pretreatment system, physical filtering system, electrolysis analysis system are sequentially arranged by water pipe and the pump housing；Sludge treatment equipment is additionally provided in the pretreatment system；The electrodialysis system is containing there are two electrodialysis plants.Horizontal layout is compact, occupied area is few, operational management is convenient, and it is easily achieved automatic control, the process flow production line combined with " pretreatment system+physical filtering system+two-stage electrodialysis system " carries out multiple foreign ion filtering to compound fertilizer waste water and the rate of recovery of water is realized in the setting of special strong brine circular treatment, mitigate industrial enterprise with water burden, slow down the pressure of supply water of entire garden, and can also largely recycle the ammonium nitrate in waste water.
Description
Technical field
The present invention relates to technical field of waste water processing, in particular to a kind of compound fertilizer Sewage treatment system based on electrodialytic technique
System.
Background technique
The compound fertilizer waste water of coal chemical industry be mainly generated in coal coke, gas purification and coke chemicals removal process it is highly concentrated
Spending its complicated composition of organic wastewater also has cyanogen, inorganic fluorion and ammonia containing organic pollutants such as a large amount of phenols, biphenyl
The poisonous and harmful substances such as nitrogen, pollutant coloration is high, belongs to the high-concentration organic industrial waste water compared with bio-refractory.It is most of multiple at present
Fertile waste water treatment system, the moisture rate of recovery is low, and pollutant process is insufficient.
Summary of the invention
Regarding the issue above, the present invention provides a kind of compound fertilizer sewage recovering system based on electrodialytic technique,
Moisture not only can be largely recycled, but also chemical impurity therein can also be recycled.
To achieve the above object, the method that the present invention uses is: a kind of compound fertilizer Sewage treatment system based on electrodialytic technique
System, including pretreatment system, physical filtering system, electrodialysis system；
Pretreatment system, the pretreatment system is for pre-processing compound fertilizer waste water；
Physical filtering system, the physical filtering system are used for the suspended matter and small grain in pretreated compound fertilizer waste water
Son carries out physical filtering；
Electrodialysis system, the electrodialysis system are used to that the compound fertilizer waste water after physical filtering system to be concentrated, purify, divide
From electrodialysis process；
The pretreatment system, physical filtering system, electrolysis analysis system are sequentially arranged by water pipe and the pump housing；
Sludge treatment equipment is additionally provided in the pretreatment system；
The electrodialysis system is containing there are two electrodialysis plants.
As an improvement of the present invention, the pretreatment system includes sequentially connected neutralizing tank, storage tank, coagulating sedimentation
Pond, intermediate pool, heat exchanger, the neutralizing tank and coagulative precipitation tank are equipped with medicine system.
As an improvement of the present invention, the sludge treatment equipment includes and the sequentially connected dirt of the coagulative precipitation tank
Mud thickener, chamber-type press filter, the sludge concentration tank, chamber-type press filter supernatant the neutralizing tank is returned to by water pipe
In.
As an improvement of the present invention, the physical filtering system includes more medium filter, self-cleaning filter, surpasses
Raw water box, ultrafiltration apparatus, ultrafiltration production pond are filtered, wherein the fresh water outlet mouth of ultrafiltration apparatus produces pond with ultrafiltration and connect, ultrafiltration dress
The concentrated water water outlet set is connect by more medium filter with the neutralizing tank of the pretreatment system.
As an improvement of the present invention, the electrodialysis system includes level-one electrodialysis plant, level-one fresh-water tank, second level
Electrodialysis plant, qualified water tank, wherein the fresh water outlet mouth of level-one electrodialysis plant is connect with level-one fresh-water tank, level-one electrodialysis
The concentrated water water outlet of device is connect with level-one concentrated water case, and the fresh water outlet mouth of second level electrodialysis plant is connect with qualified water tank, and two
The concentrated water water outlet of grade electrodialysis plant is connect with second level concentrated water case, and second level concentrated water case produces the water inlet in pond by water pipe and ultrafiltration
Mouth connection.
As an improvement of the present invention, the level-one electrodialysis plant is made of 10 series, 40 electrodialysis, every system
Column are composed of 4 special dedicated membrane electrodialysis of 300 pairs/platform, and second level electrodialysis plant is by 8 series, 32 electrodialysis groups
At every series is composed of 4 special dedicated membrane electrodialysis of 300 pairs/platform.
The utility model has the advantages that
A kind of compound fertilizer sewage recovering system based on electrodialytic technique of the present invention, horizontal layout is compact, and occupied area is few,
Operational management is convenient, and is easily achieved automatic control, with " pretreatment system+physical filtering system+two-stage electrodialysis system " phase
In conjunction with process flow production line multiple foreign ion filtering is carried out to compound fertilizer waste water and the setting of special strong brine circular treatment is real
The rate of recovery of existing water, mitigate industrial enterprise with water burden, slow down the pressure of supply water of entire garden, and can also be largely
Recycling waste water in ammonium nitrate.
Detailed description of the invention
Fig. 1 is product line device connection schematic diagram of the invention.
Specific embodiment
As shown in connection with fig. 1, the present invention provides a kind of compound fertilizer sewage recovering system based on electrodialytic technique, and one kind is based on electricity
The compound fertilizer sewage recovering system of osmotic technique, including pretreatment system, physical filtering system, electrodialysis system；
The pretreatment system, physical filtering system, electrolysis analysis system are sequentially arranged by water pipe and the pump housing；
Sludge treatment equipment is additionally provided in the pretreatment system；
The electrodialysis system is containing there are two electrodialysis plants.
Pretreatment system, the pretreatment system is for pre-processing compound fertilizer waste water；
The pretreatment system includes sequentially connected neutralizing tank, storage tank, coagulative precipitation tank, intermediate pool, heat exchanger, it is described in
Medicine system is equipped with tank and coagulative precipitation tank.The sludge treatment equipment includes sequentially connected with the coagulative precipitation tank
Sludge concentration tank, chamber-type press filter, the sludge concentration tank, chamber-type press filter supernatant the neutralizing tank is returned to by water pipe
In.Wherein: (1) neutralizing tank: for caching and carrying out neutralizing adjusting pH and residual ammonia nitrogen be converted to ammonium nitrate with nitric acid, (2) storage
Tank: water quality and quantity adjusting, (3) coagulative precipitation tank: to prevent water from having part turbid are carried out for entering storage tank to neutralizing tank water outlet
Degree, fluoride and the operation that there is the subsequent membrane separation plant of influence containing impurity such as part phosphorus, are had using efficient inclined-plate clarifying basin
There is the ability of anti-suspended matter variation impact.Convenient for operating maintenance, which uses ground type, but must not influence normally to transport
Row and maintenance.By coagulation, the water of precipitating, clarifying treatment.The dosage of phosphate eliminating flocculant is according to the measured value energy of flow of inlet water
It adjusts in proportion.Disinfectant dosing point is reserved at efficient sedimentation tank water inlet, to prevent in efficient sedimentation tank and subsequent structures
The growth of algae.Entire efficient sedimentation tank is made of six systems, is respectively as follows: phosphate eliminating flocculant medicine system, efficient flocculating system
(4) intermediate pool: system, clarification system, sludge condensation system, sludge reflux and sludge drainage system produce water gravity flow and enter intermediate pool
Caching adjusting is carried out, supplies subsequent pretreatment system, (5) heat exchanger: due to water to provide the raw water of steady pressure and flow
After neutralized, temperature or relatively high can not reach the design temperature of ultrafiltration, it is necessary to be down to by heat exchanger coolant-temperature gage in future
The water inlet requirement of ultrafiltration, into subsequent processing units.Raw water heat exchanger uses plate heat exchanger, and heat exchanger is arranged in pump house
It is interior, and antifreeze and anti-scald measure is designed, (6) medicine system: each medicine system should be respectively designed to unit form, every set dosing dress
Installed liquor box, metering pump, filter (coagulant dosing), pressure gauge, surge tank, safety valve (or multifunction valve), valve,
Pipeline, support of pipelines, platform, staircase, local control panel etc. are simultaneously assembled on a chassis.The volume of all kinds of drug solution casees is answered
Meeting the drug dosage of armamentarium two round the clock, material PE simultaneously installs liquid level instruction on the spot and remote liquid level instruction respectively, and
Two position alarm signal can be issued.Instrument selection is finally confirmed by proprietor.Liquor box will include at least connector below:
Medicine liquid outlet, sewage draining exit, interface of the level gauge, dosing mouth, dilution water interface, exhaust outlet, discharge valve liquid return hole.Sewage draining exit and medical fluid
Outlet must separate, and sewage draining exit will be arranged in the bottom of case and can be emptied completely solution, and top is provided with the manhole of top cover.
Physical filtering system, the physical filtering system are used for suspended matter in pretreated compound fertilizer waste water and micro-
Small particles carry out physical filtering；
The physical filtering system includes more medium filter, self-cleaning filter, ultrafiltration raw water box, ultrafiltration apparatus, ultrafiltration production
Pond, wherein the fresh water outlet mouth of ultrafiltration apparatus produces pond with ultrafiltration and connect, and the concentrated water water outlet of ultrafiltration apparatus passes through multimedium
Filter is connect with the neutralizing tank of the pretreatment system.Wherein: (1) more medium filter: there is back washing device, (2) are from clearly
Wash filter: the effect of self-cleaning filter is graininess impurity, iron rust and the suspended matter carried in retention removal raw water, is guaranteed
The water inlet safety of ultrafiltration.Self-cleaning filter is secondary filter, and carries out backwash automatically according to pressure difference or accumulation water production, is allowed to
Restore original performance.The backwash time only needs can be completed for 5 ~ 20 seconds.After backwash, automatically switch to enter working condition.If
The purpose for setting preposition self-cleaning filter is the preliminary subtle suspension of suspended matter and part for intercepting, removing larger particles in raw water
Object, such as bath class, iron rust, foundry loam, microorganism provide safety guarantee for subsequent film process equipment.Self-cleaning filter proposed adoption
Filter net type, filter has self-cleaning function, i.e., with the continuous accumulation of suspended matter, strainer is inside and outside to generate pressure difference, works as pressure
When difference reaches setting value (adjustable), backwash cleaning is carried out automatically, using endogenous backwash, backwashed range request backwash water amount
It is small, scavenging period is short, automatic cycle, with achieve the purpose that it is water-saving, do not influence follow-up equipment operation.(3) ultrafiltration apparatus: ultrafiltration is adopted
With the hollow-fibre membrane of domestic and international famous brand name, producer are as follows: Sino, film day or same, ultrafiltration apparatus has backwashing system, chemistry
Cleaning system.
Electrodialysis system, the electrodialysis system is for being concentrated the compound fertilizer waste water after physical filtering system, being pure
Change, the electrodialysis process of separation；
The electrodialysis system includes level-one electrodialysis plant, level-one fresh-water tank, second level electrodialysis plant, qualified water tank, wherein
The fresh water outlet mouth of level-one electrodialysis plant is connect with level-one fresh-water tank, and the concentrated water water outlet and level-one of level-one electrodialysis plant are dense
Water tank connection, the fresh water outlet mouth of second level electrodialysis plant are connect with qualified water tank, the concentrated water water outlet of second level electrodialysis plant
It is connect with second level concentrated water case, second level concentrated water case is connect by water pipe with the water inlet that ultrafiltration produces pond.The level-one electrodialysis dress
It sets and is made of 10 series, 40 electrodialysis, every series is composed of 4 special dedicated membrane electrodialysis of 300 pairs/platform, second level electricity
Electrodialysis apparatus is made of 8 series, 32 electrodialysis, and every series is composed of 4 special dedicated membrane electrodialysis of 300 pairs/platform.
A kind of compound fertilizer sewage recovering system based on electrodialytic technique provided by the invention, horizontal layout is compact, takes up an area face
Product is few, and operational management is convenient, and is easily achieved automatic control, with " pretreatment system+physical filtering system+two-stage electrodialysis system
The process flow production line that system " combines carries out multiple foreign ion filtering to compound fertilizer waste water and special strong brine circular treatment is set
Set realize water the rate of recovery, mitigate industrial enterprise with water burden, slow down the pressure of supply water of entire garden, and can also be larger
Ammonium nitrate in the recycling waste water of degree.
The above described is only a preferred embodiment of the present invention, being not the limit for making any other form to the present invention
System, and made any modification or equivalent variations according to the technical essence of the invention, still fall within present invention model claimed
It encloses.
Claims (6)
1. a kind of compound fertilizer sewage recovering system based on electrodialytic technique, it is characterised in that: including pretreatment system, physical filtering
System, electrodialysis system；
Pretreatment system, the pretreatment system is for pre-processing compound fertilizer waste water；
Physical filtering system, the physical filtering system are used for the suspended matter and small grain in pretreated compound fertilizer waste water
Son carries out physical filtering；
Electrodialysis system, the electrodialysis system are used to that the compound fertilizer waste water after physical filtering system to be concentrated, purify, divide
From electrodialysis process；
The pretreatment system, physical filtering system, electrolysis analysis system are sequentially arranged by water pipe and the pump housing；
Sludge treatment equipment is additionally provided in the pretreatment system；
The electrodialysis system is containing there are two electrodialysis plants.
2. a kind of compound fertilizer sewage recovering system based on electrodialytic technique according to claim 1, it is characterised in that: described
Pretreatment system includes sequentially connected neutralizing tank, storage tank, coagulative precipitation tank, intermediate pool, heat exchanger, the neutralizing tank and mixed
Solidifying sedimentation basin is equipped with medicine system.
3. a kind of compound fertilizer sewage recovering system based on electrodialytic technique according to claim 2, it is characterised in that: institute
State sludge treatment equipment include with the sequentially connected sludge concentration tank of the coagulative precipitation tank, chamber-type press filter, the sludge is dense
Contracting pond, chamber-type press filter supernatant returned in the neutralizing tank by water pipe.
4. a kind of compound fertilizer sewage recovering system based on electrodialytic technique according to claim 3, it is characterised in that: described
Physical filtering system include more medium filter, self-cleaning filter, ultrafiltration raw water box, ultrafiltration apparatus, ultrafiltration produce pond, wherein
The fresh water outlet mouth of ultrafiltration apparatus produces pond with ultrafiltration and connect, and the concentrated water water outlet of ultrafiltration apparatus passes through more medium filter and institute
State the neutralizing tank connection of pretreatment system.
5. a kind of compound fertilizer sewage recovering system based on electrodialytic technique according to claim 4, it is characterised in that: described
Electrodialysis system includes level-one electrodialysis plant, level-one fresh-water tank, second level electrodialysis plant, qualified water tank, wherein level-one electric osmose
The fresh water outlet mouth of analysis apparatus is connect with level-one fresh-water tank, and the concentrated water water outlet and level-one concentrated water case of level-one electrodialysis plant connect
It connects, is the ammonium nitrate concentrated water of concentration >=15% in the level-one concentrated water case and is connected with production system, the fresh water of second level electrodialysis plant
Water outlet is connect with qualified water tank, and the concentrated water water outlet of second level electrodialysis plant is connect with second level concentrated water case, and second level concentrated water case is logical
It crosses water pipe and is connect with the water inlet that ultrafiltration produces pond.
6. a kind of compound fertilizer sewage recovering system based on electrodialytic technique according to claim 5, it is characterised in that: described
Level-one electrodialysis plant is made of 10 series, 40 electrodialysis, and every series is by the special dedicated membrane electrodialysis group of 4 300 pairs/platforms
It closes, second level electrodialysis plant is made of 8 series, 32 electrodialysis, and every series is by the special dedicated film electricity of 4 300 pairs/platforms
Dialysis is composed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937712.4A CN109179798A (en) | 2018-08-17 | 2018-08-17 | A kind of compound fertilizer sewage recovering system based on electrodialytic technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937712.4A CN109179798A (en) | 2018-08-17 | 2018-08-17 | A kind of compound fertilizer sewage recovering system based on electrodialytic technique |
Publications (1)
| Publication Number | Publication Date |
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| CN109179798A true CN109179798A (en) | 2019-01-11 |
Family
ID=64918600
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810937712.4A Pending CN109179798A (en) | 2018-08-17 | 2018-08-17 | A kind of compound fertilizer sewage recovering system based on electrodialytic technique |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205575837U (en) * | 2016-03-02 | 2016-09-14 | 北京新源国能科技集团股份有限公司 | Processing system of lime stone / lime - gypsum method flue gas desulfurization waste water |
| CN206033450U (en) * | 2016-08-24 | 2017-03-22 | 江苏华晖环保科技有限公司 | Sulphur ammonium condensate water treatment system |
| CN106565045A (en) * | 2015-10-10 | 2017-04-19 | 麦王环境技术股份有限公司 | Complete equipment for stainless steel pickling wastewater treatment and resource recycling and treatment process |
| CN206927750U (en) * | 2017-04-23 | 2018-01-26 | 江苏天德建材有限公司 | A kind of power plant waste water processing system |
| CN209522701U (en) * | 2018-08-17 | 2019-10-22 | 江苏华晖环保科技有限公司 | A kind of compound fertilizer sewage recovering system based on electrodialytic technique |
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2018
- 2018-08-17 CN CN201810937712.4A patent/CN109179798A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106565045A (en) * | 2015-10-10 | 2017-04-19 | 麦王环境技术股份有限公司 | Complete equipment for stainless steel pickling wastewater treatment and resource recycling and treatment process |
| CN205575837U (en) * | 2016-03-02 | 2016-09-14 | 北京新源国能科技集团股份有限公司 | Processing system of lime stone / lime - gypsum method flue gas desulfurization waste water |
| CN206033450U (en) * | 2016-08-24 | 2017-03-22 | 江苏华晖环保科技有限公司 | Sulphur ammonium condensate water treatment system |
| CN206927750U (en) * | 2017-04-23 | 2018-01-26 | 江苏天德建材有限公司 | A kind of power plant waste water processing system |
| CN209522701U (en) * | 2018-08-17 | 2019-10-22 | 江苏华晖环保科技有限公司 | A kind of compound fertilizer sewage recovering system based on electrodialytic technique |
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