CN208829331U - A kind of nanofiltration removal organic matter system - Google Patents
A kind of nanofiltration removal organic matter system Download PDFInfo
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- CN208829331U CN208829331U CN201821100008.5U CN201821100008U CN208829331U CN 208829331 U CN208829331 U CN 208829331U CN 201821100008 U CN201821100008 U CN 201821100008U CN 208829331 U CN208829331 U CN 208829331U
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Abstract
The utility model relates to a kind of nanofiltrations to remove organic matter system, belong to water prevention and cure of pollution field.The system includes that reservoir, nanofiltration system and nanofiltration produce pond；The nanofiltration system generates nanofiltration water to remove the organic matter in waste water；The nanofiltration produces pond to store nanofiltration water；The reservoir and nanofiltration system are interconnected, and the nanofiltration system and nanofiltration produce pond and be interconnected.The utility model retains the organic matter in waste water by nanofiltration system, realizes and removes to the separation of organic matter, protects the normal operation of the subsequent systems such as reverse osmosis in wastewater treatment.
Description
Technical field
The utility model relates to a kind of nanofiltrations to remove organic matter system, belong to water prevention and cure of pollution field.
Background technique
Coal-burning power plant recycles the organic matter containing higher concentration in effluent and desulfurization wastewater, since power plant effluent belongs to height
Salt waste water, therefore organic matter can not be removed by biochemical mode.It is subsequent in the treatment of waste water but if not removing organic matter
Reverse osmosis concentration unit can retain organic matter, and organic matter will be constantly enriched with after being trapped, so that membranous system generation is dirty stifled and broken
It is bad.
In order to solve this problem, organic matter is removed using the mode of catalytic ozonation in the prior art, but it is this
Method is poor to the removal effect of organic matter, and invests huge, and operating cost is high, consumes a large amount of liquid oxygen and electric energy.It is smelly
Oxygen can the low substance of preferential selective redox current potential aoxidized, this moieties is mostly inorganic matter, itself will not be to film
System impacts, although therefore ozonation system can remove a part of substance, be mostly not constitute a threat to membranous system
Material part, the organic matters such as macromolecular, biomass are not still removed but.
Utility model content
The utility model in order to solve the above technical problems, provide it is a kind of it is reasonable in design, effectively remove receiving for organic matter
It filters off and removes organic matter system.
The utility model solves technical solution used by above-mentioned technical problem:
A kind of nanofiltration removal organic matter system, including reservoir, nanofiltration system and nanofiltration produce pond；The nanofiltration system is used
To remove the organic matter in waste water, and generate nanofiltration water；The nanofiltration produces pond to store nanofiltration water；The reservoir with receive
Filter system is interconnected, and the nanofiltration system and nanofiltration produce pond and be interconnected.
The utility model retains the organic matter in waste water by nanofiltration system, realizes that the separation to organic matter removes, protection
The normal operation of the subsequent systems such as reverse osmosis in wastewater treatment.
Further, the nanofiltration system includes nanofiltration membrane, for removing the organic matter in waste water.
Further, the nanofiltration system includes high-pressure pump, two sections of booster pumps and three sections of booster pumps, the high-pressure pump, two
Section booster pump and three sections of booster pumps are sequentially communicated according to waste water flow direction；One is provided between the high-pressure pump and two sections of booster pumps
Section nanofiltration membrane, is provided with two sections of nanofiltration membranes between two sections of booster pumps and three sections of booster pumps, sets after three sections of booster pumps
It is equipped with three sections of nanofiltration membranes.
Further, nanofiltration removal organic matter system further includes the nanofiltration concentration after three sections of nanofiltration membranes are arranged in
Pond, to store nanofiltration condensed water.
Further, nanofiltration elevator pump is additionally provided between the reservoir and nanofiltration system, the liquid to lifting waste water
Position height.
Further, it is additionally provided with cartridge filter between the nanofiltration elevator pump and nanofiltration system, to filter.
The utility model compared with the existing technology has the following advantages that and effect:
1, the utility model realizes that the retention to organic matter removes, organic matter is individually disposed by using nanofiltration system,
Nanofiltration protects subsequent reverse osmosis equal concentration systems, increases the stability of system, reduce to rejection >=90% of organic matter
Cost of investment, while nanofiltration does not need very high energy consumption, compared to ozonation system, greatly reduce operating cost；
2, the utility model has operating cost compared to biological decomposition organic matter, catalytic ozonation decomposing organic matter
Cheap advantage, while the utility model device is simple, investment is low, occupied area is small, is suitble to power plant's operation habit；
3, the utility model is unattended using nanofiltration system removal organic matter, and continuous operation does not need any medicament and throws
Add, object without secondary pollution generates.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Label declaration:
1, reservoir, 2, nanofiltration elevator pump, 3, cartridge filter, 4, high-pressure pump, 5, two sections of booster pumps, 6, three sections of pressurizations
Pump, 7, nanofiltration production pond, 8, nanofiltration concentration pond.
Specific embodiment
The utility model belongs to water prevention and cure of pollution field, can be used for thermal power plant and discharges the manufacture of similar water pollutant, food
Product, weaving, power plant, printing and dyeing, municipal administration, automobile, petrochemical industry, electronic semi-conductor's wastewater zero discharge, biofermentation wastewater zero discharge
Deng.
Nanofiltration is also known as low pressure reverse osmosis, is a kind of emerging field of membrane separation technique, separating property is between reverse osmosis
Between ultrafiltration, allow some inorganic salts and certain solvents through film, to achieve the effect that separation.
The utility model is done below with reference to the embodiment of power plant cycle sewerage and power plant desulfurization wastewater further detailed
Describe in detail bright, following embodiment is the explanation to the utility model and the utility model is not limited to following embodiment.
Embodiment 1:
As shown in Figure 1, a kind of nanofiltration removes organic matter system, including reservoir 1, nanofiltration system and nanofiltration produce pond 7, press
According to the processing sequence of waste water, reservoir 1, nanofiltration system and nanofiltration produce pond 7 and are sequentially communicated；Connection in the present embodiment both may be used
It, can also be in such a way that other can connect and communicate by pipeline.
To remove waste water, (waste water in the present embodiment includes but are not limited to power plant cycle sewerage and electricity to nanofiltration system
Factory's desulfurization wastewater) in organic matter, and generate nanofiltration water.
Nanofiltration produces pond 7 to store nanofiltration water, and nanofiltration produces pond 7 and nanofiltration system is interconnected.
Reservoir 1 is interconnected temporarily to store waste water, reservoir 1 and nanofiltration system.
The utility model retains the organic matter in waste water by nanofiltration system, realizes that the separation to organic matter removes, protection
The normal operation of the subsequent systems such as reverse osmosis in wastewater treatment.
For power plant cycle sewerage, embodiment are as follows: Step 1: sodium hydroxide is added in reservoir 1 (and in blowdown
The addition sodium carbonate of selectivity is added in water when basicity deficiency) soften, waste water carries out flocculation sedimentation in reservoir 1；Step 2:
Waste water after precipitation process enters carry out hyperfiltration treatment, is then included in nanofiltration system and nanofiltration UF membrane generates nanofiltration water and receives
Filter concentrated water；Step 3: nanofiltration water, which enters nanofiltration, produces pond 7, then nanofiltration water can enter the reverse osmosis concentration of subsequent wastewater treatment
System, the desulfurization wastewater treatment system that nanofiltration concentrated water enters subsequent wastewater treatment are further processed.In the present embodiment, by 4 ×
100m3The design of/h processing capacity, the nanofiltration rate of recovery are set as 95%, the retention of organic matter may be implemented by nanofiltration system, real
Border operating parameter shows that nanofiltration system is higher than 90% to the removal efficiency of organic matter.
For the nanofiltration concentrated water generated in power plant desulfurization wastewater and above-mentioned power plant cycle sewerage, embodiment are as follows: step
One, dosing softens in reservoir 1, and waste water carries out flocculation sedimentation in reservoir 1；Step 2: waste water after precipitation process into
Enter nanofiltration system and carry out tubular type micro-filtration filtration treatment, nanofiltration UF membrane generates nanofiltration and produces water and nanofiltration concentrated water；Step 3: nanofiltration water
Is produced from pond 7 into nanofiltration, then nanofiltration water can enter the reverse osmosis concentrated compression system of subsequent wastewater treatment, contain height in nanofiltration concentrated water
Concentration organic, high concentration divalent salts, nanofiltration concentrated water water is smaller, is individually disposed using scheme in the prior art,
Such as coal yard sprinkling, advanced oxidation, flue evaporation.In the present embodiment, by 3 × 25m3The design of/h processing capacity, nanofiltration recycling
Rate is set as 65%, and the retention of organic matter may be implemented by nano-filtration unit, and actual operation parameters show nanofiltration system to organic
The removal efficiency of object is higher than 90%.
Reverse osmosis concentrated compression system and desulfurization wastewater treatment system are common in existing wastewater treatment in the present embodiment
System belongs to the prior art, and carrying out dosing softening also is means common in the art, not reinflated description herein.
Embodiment 2:
As described in Example 1, difference is only that nanofiltration system includes nanofiltration membrane, for removing the organic matter in waste water.
The aperture of nanofiltration membrane is to allow solvent molecule or certain low molecular weight solutes or low in 1nm or more, general 1-2nm
A kind of functional semi-permeable membrane that valence ion penetrates, the molecular weight for retaining organic matter is about 150-500 or so, retains dissolubility
The ability of salt is lower than high-valence anion salting liquid between 2-98%, to the desalination of monovalent anion salting liquid.
The form of the membrane module of nanofiltration membrane has doughnut, rolling, plate and frame and tubular type etc..Nanofiltration in the present invention
The membrane module of film is tubular type.
In the processing of power plant cycle sewerage and in the processing of power plant desulfurization wastewater, used nanofiltration membrane is the same
, but pressure environment locating for nanofiltration membrane is had any different, the pressure ratio power plant cycle blowdown of nanofiltration membrane in power plant desulfurization wastewater processing
Wanting in water process is high, mainly has relationship with the concentration of waste water, concentration is higher, and osmotic pressure is bigger, and the external pressure needed is bigger.
Embodiment 3:
As described in Example 2, difference is only that nanofiltration system includes 4, two sections of booster pumps 5 of high-pressure pump and three sections of booster pumps
6,4, two sections of booster pumps 5 of high-pressure pump and three sections of booster pumps 6 are sequentially communicated according to waste water flow direction, i.e., high-pressure pump 4 is arranged in reservoir 1
Between two sections of booster pumps 5, two sections of booster pumps 5 are arranged between high-pressure pump 4 and three sections of booster pumps 6；Increase in high-pressure pump 4 and two sections
It is provided with one section of nanofiltration membrane between press pump 5, is provided with two sections of nanofiltration membranes between two sections of booster pumps 5 and three sections of booster pumps 6,
Three sections of nanofiltration membranes are provided with after three sections of booster pumps 6.4, two sections of booster pumps 5 of high-pressure pump and three sections of booster pumps 6 are nanofiltration system
Pressure is provided.
In the present embodiment, the membrane module of one section of nanofiltration membrane, two sections of nanofiltration membranes and three sections of nanofiltration membranes is tubular type, and is existing
There is technology, herein not reinflated description.
Embodiment 4:
As described in Example 3, difference be only that nanofiltration removal organic matter system further include setting three sections of nanofiltration membranes it
Pond 8 is concentrated in nanofiltration afterwards, to store nanofiltration condensed water.
Embodiment 5:
As described in Example 1, difference, which is only that between reservoir 1 and nanofiltration system, is additionally provided with nanofiltration elevator pump 2,
To facilitate waste water to enter nanofiltration system for waste water lifting liquid level.
Embodiment 6:
As described in Example 5, difference is only that is additionally provided with security personnel's filtering between nanofiltration elevator pump 2 and nanofiltration system
Device 3 belongs to the prior art, is no longer developed in details herein to filter.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named
Title etc. can be different.All equivalent or simple changes done according to structure, feature and principle described in the concept of the patent of the utility model,
It is included in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to being retouched
The specific embodiment stated does various modifications or additions or is substituted in a similar manner, without departing from the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of nanofiltration removes organic matter system, it is characterised in that: produce pond including reservoir (1), nanofiltration system and nanofiltration
(7)；The nanofiltration system generates nanofiltration water to remove the organic matter in waste water；The nanofiltration produces pond (7) to store
Nanofiltration water；The reservoir (1) and nanofiltration system are interconnected, and the nanofiltration system and nanofiltration produce pond (7) and be interconnected.
2. a kind of nanofiltration according to claim 1 removes organic matter system, it is characterised in that: the nanofiltration system includes receiving
Filter membrane, for removing the organic matter in waste water.
3. a kind of nanofiltration according to claim 2 removes organic matter system, it is characterised in that: the nanofiltration system includes height
Press pump (4), two sections of booster pumps (5) and three sections of booster pumps (6), the high-pressure pump (4), two sections of booster pumps (5) and three sections of booster pumps
(6) it is sequentially communicated according to waste water flow direction；It is provided with one section of nanofiltration membrane between the high-pressure pump (4) and two sections of booster pumps (5),
Two sections of nanofiltration membranes are provided between two sections of booster pumps (5) and three sections of booster pumps (6), are arranged after three sections of booster pumps (6)
There are three sections of nanofiltration membranes.
4. a kind of nanofiltration according to claim 3 removes organic matter system, it is characterised in that: the nanofiltration removes organic system
System further includes nanofiltration concentration pond (8) after three sections of nanofiltration membranes are arranged in, to store nanofiltration condensed water.
5. a kind of nanofiltration according to claim 1 removes organic matter system, it is characterised in that: the reservoir (1) with
It is additionally provided between nanofiltration system nanofiltration elevator pump (2), the liquid level to lifting waste water.
6. a kind of nanofiltration according to claim 5 removes organic matter system, it is characterised in that: in the nanofiltration elevator pump
(2) cartridge filter (3) are additionally provided between nanofiltration system, to filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100008.5U CN208829331U (en) | 2018-07-12 | 2018-07-12 | A kind of nanofiltration removal organic matter system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100008.5U CN208829331U (en) | 2018-07-12 | 2018-07-12 | A kind of nanofiltration removal organic matter system |
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| Publication Number | Publication Date |
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| CN208829331U true CN208829331U (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821100008.5U Expired - Fee Related CN208829331U (en) | 2018-07-12 | 2018-07-12 | A kind of nanofiltration removal organic matter system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551760A (en) * | 2020-12-22 | 2021-03-26 | 上海鲲谷环保科技有限公司 | Method for removing iodine in wastewater |
-
2018
- 2018-07-12 CN CN201821100008.5U patent/CN208829331U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551760A (en) * | 2020-12-22 | 2021-03-26 | 上海鲲谷环保科技有限公司 | Method for removing iodine in wastewater |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20200712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |