CN209522701U - 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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- CN209522701U CN209522701U CN201821325906.0U CN201821325906U CN209522701U CN 209522701 U CN209522701 U CN 209522701U CN 201821325906 U CN201821325906 U CN 201821325906U CN 209522701 U CN209522701 U CN 209522701U
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Abstract
The utility model discloses a kind of compound fertilizer sewage recovering system based on electrodialytic technique, including 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 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 suspended matter in pretreated compound fertilizer waste water and micro-
Small particles carry out physical filtering；
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 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, 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.
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 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, institute
It states neutralizing tank and coagulative precipitation tank is equipped with medicine system.The sludge treatment equipment includes sequentially connecting with the coagulative precipitation tank
Sludge concentration tank, the chamber-type press filter connect, the sludge concentration tank, chamber-type press filter supernatant returned in described by water pipe
In tank.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) water quality and quantity adjusting, (3) coagulative precipitation tank: to prevent water from having portion storage tank: are carried out for entering storage tank to neutralizing tank water outlet
Divide turbidity, fluoride and there is the operation for influencing subsequent membrane separation plant containing impurity such as part phosphorus, using efficient sloping plate deposition
Pond has the ability of anti-suspended matter variation impact.Convenient for operating maintenance, which uses ground type, but must not influence just
Often operation and maintenance.By coagulation, the water of precipitating, clarifying treatment.The dosage of phosphate eliminating flocculant is according to the measurement of flow of inlet water
Value can be adjusted in proportion.Disinfectant dosing point is reserved at efficient sedimentation tank water inlet, to prevent efficient sedimentation tank and subsequent construct
The growth of algae in object.Entire efficient sedimentation tank is made of six systems, is respectively as follows: phosphate eliminating flocculant medicine system, efficiently wadding
(4) intermediate pool: solidifying system, clarification system, sludge condensation system, sludge reflux and sludge drainage system produce water gravity flow and enter centre
Pond carries out caching adjusting, supplies subsequent pretreatment system to provide the raw water of steady pressure and flow, (5) heat exchanger: due to
After water is neutralized, temperature or relatively high can not reach the design temperature of ultrafiltration, it is necessary to pass through heat exchanger coolant-temperature gage in future
It is down to the water inlet requirement of ultrafiltration, into subsequent processing units.Raw water heat exchanger uses plate heat exchanger, and heat exchanger is arranged in water pump
In room, and design antifreeze and anti-scald measure, (6) medicine system: each medicine system should be respectively designed to unit form, every set dosing
Device is equipped with liquor box, metering pump, filter (coagulant dosing), pressure gauge, surge tank, safety valve (or multifunction valve), valve
Door, pipeline, support of pipelines, platform, staircase, local control panel etc. are simultaneously assembled on a chassis.The appearance of all kinds of drug solution casees
Product should meet the drug dosage of armamentarium two round the clock, and material PE simultaneously installs liquid level instruction and remote liquid level on the spot respectively and refers to
Show, and two position alarm signal can be issued.Instrument selection is finally confirmed by proprietor.Liquor box will include at least company below
Interface: 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
It must be separated with medicine liquid outlet, sewage draining exit will be arranged in the bottom of case and can be emptied completely solution, and top is provided with top cover
Manhole.
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, surpasses
Filter produces pond, and 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 is connect with the neutralizing tank of the pretreatment system.Wherein: (1) more medium filter: there are back washing device, (2)
Self-cleaning filter: the effect of self-cleaning filter is graininess impurity, iron rust and the suspended matter carried in retention removal raw water,
Guarantee 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,
It is allowed to restore original performance.The backwash time only needs can be completed for 5 ~ 20 seconds.After backwash, automatically switch to enter work shape
State.Be arranged preposition self-cleaning filter purpose be it is preliminary intercept, the suspended matter of larger particles and part are subtle in removal raw water
Suspended matter, such as bath class, iron rust, foundry loam, microorganism provide safety guarantee for subsequent film process equipment.Self-cleaning filter is quasi-
Using 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, when
When pressure difference reaches setting value (adjustable), backwash cleaning is carried out automatically, using endogenous backwash, backwashed range request backwash water
Measure that 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
Using the hollow-fibre membrane of domestic and international famous brand name, producer are as follows: Sino, film day or same, ultrafiltration apparatus have backwashing system, change
Learn 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, the concentrated water water outlet of level-one electrodialysis plant and one
Grade concentrated water case connection, the fresh water outlet mouth of second level electrodialysis plant are connect with qualified water tank, and the concentrated water of second level electrodialysis plant goes out
The mouth of a river is connect with second level concentrated water case, and second level concentrated water case is connect by water pipe with the water inlet that ultrafiltration produces pond.The level-one electric osmose
Analysis apparatus is made of 10 series, 40 electrodialysis, and every series is composed of 4 special dedicated membrane electrodialysis of 300 pairs/platform, and two
Grade electrodialysis plant is made of 8 series, 32 electrodialysis, every series combined by 4 special dedicated membrane electrodialysis of 300 pairs/platform and
At.
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, every series combined by 4 dedicated membrane electrodialysis of 300 pairs/platform and
At second level electrodialysis plant is made of 8 series, 32 electrodialysis, and every series is combined by 4 dedicated membrane electrodialysis of 300 pairs/platform
It forms.
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| CN201821325906.0U CN209522701U (en) | 2018-08-17 | 2018-08-17 | A kind of compound fertilizer sewage recovering system based on electrodialytic technique |
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| CN201821325906.0U CN209522701U (en) | 2018-08-17 | 2018-08-17 | A kind of compound fertilizer sewage recovering system based on electrodialytic technique |
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| CN209522701U true CN209522701U (en) | 2019-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179798A (en) * | 2018-08-17 | 2019-01-11 | 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179798A (en) * | 2018-08-17 | 2019-01-11 | 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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