CN204346808U - The pretreatment unit of low-concentration organic composition analysis in water - Google Patents
The pretreatment unit of low-concentration organic composition analysis in water Download PDFInfo
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- CN204346808U CN204346808U CN201520012044.6U CN201520012044U CN204346808U CN 204346808 U CN204346808 U CN 204346808U CN 201520012044 U CN201520012044 U CN 201520012044U CN 204346808 U CN204346808 U CN 204346808U
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Abstract
The utility model relates to the pretreatment unit of low-concentration organic composition analysis in a kind of water, comprises raw water box, dense water tank and fresh-water tank; First pipeline is set between raw water box and dense water tank, the pipeline of the first pipeline is disposed with water intaking valve, Feed Pressurization pump and cartridge filter, between dense water tank and fresh-water tank, second pipe is set, the pipeline of second pipe is disposed with one-level booster pump and first-stage reverse osmosis film, the water outlet of first-stage reverse osmosis film is communicated with fresh-water tank through second pipe, 3rd pipeline is set between the dense water out of first-stage reverse osmosis film and dense water tank, the pipeline of the 3rd pipeline is provided with one-level zwitterion mixed-bed resin Filter column.By reverse osmosis unit, the dense water in dense water tank is constantly concentrated, use negative ion, the kation in cation and anion exchange mixed bed Filter column removal water, structure is simple, easy to operate, desalting efficiency is high, can meet the needs that the organism compositions such as infrared, nuclear-magnetism are resolved.
Description
Technical field
The utility model relates to the pretreatment unit of low-concentration organic composition analysis in a kind of water.
Background technology
Dissolved organic matter (dissolved organic matter, DOM) be the class material that water chemistry and drinking water quality field of security guarantee attention rate are higher always, it refers to that being extensively present in particle diameter in the surrounding mediums such as natural water body is less than 0.45 μm, the potpourri be made up of variety classes complex component, mainly comprises soil ulmin (humic acid, fulvic acid and humic acid) and non-humic solutes type organic (carbohydrates, amino acid, low molecular organic acids etc.).DOM is the important medium of environmental contaminants migration and conversion in natural water body, is also the important carrier of chemicals whole world long range propagation.In water treatment field, DOM obviously affects water technology Unit Design, operational efficiency, and drinking water quality safety guarantee.In sterilization process, DOM not only increases sanitizer dosage, and reacts with chlorhexidine-containing disinfectant DBPs (DBPs) such as producing methenyl choloride (THMs), is acknowledged as the main precursor of disinfection by-product of drinking water.
Therefore, DOM is the priority control object of drinking water treatment and the focus of drinking water quality safety guarantee always.Due to DOM, to form structure very complicated, and physicochemical property are various, needs to adopt mass spectrum, nuclear magnetic resonance, the analytical approach such as infrared to study the problem in science such as the form of DOM, structure and conversion.Then due to environment water, especially drinking water treatment, in water, DOM concentration is very low, cannot reach the requirement of nuclear-magnetism, the analytical approach such as infrared, cause difficulty to the parsing of DOM Structure and form.Need to adopt pretreatment unit water body to be concentrated to the requirement meeting analytical approach.Water sample is put into drying box and is concentrated to carry out water body by existing researcher, but efficiency is low, and the time is long, and due to salt separating/enriching in water when water body concentrates, also has a negative impact to DOM structure analysis.In addition, adopt XAD class large aperture resin, carried out by organism adsorbing rear wash-out enrichment, but DOM component can be caused to lose, DOM collection rate is not high.Therefore need one can low-concentration organic in efficient concentration water, and can the technology of desalination and device.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provides the pretreatment unit of low-concentration organic composition analysis in a kind of water.
The utility model solves the technical scheme that its technical matters adopts: the pretreatment unit of low-concentration organic composition analysis in a kind of water, comprises raw water box, dense water tank and fresh-water tank;
First pipeline is set between described raw water box and dense water tank and through this first pipeline communication, the pipeline of described first pipeline is disposed with water intaking valve, Feed Pressurization pump and cartridge filter, described Feed Pressurization pump valve is positioned at the upstream of cartridge filter;
Between described dense water tank and fresh-water tank, second pipe is set and is communicated with through this second pipe, the pipeline of described second pipe is disposed with one-level booster pump and first-stage reverse osmosis film, described one-level booster pump is positioned at the upstream of first-stage reverse osmosis film, the water outlet of described first-stage reverse osmosis film is communicated with fresh-water tank through second pipe, 3rd pipeline is set between the dense water out of described first-stage reverse osmosis film and dense water tank and through the 3rd pipeline communication, the pipeline of described 3rd pipeline is provided with one-level zwitterion mixed-bed resin Filter column.
Further, described fresh-water tank water delivering orifice connects the 4th pipeline, the pipeline of described 4th pipeline is disposed with two-stage supercharging pump and two-pass reverse osmosis film, described two-stage supercharging pump is positioned at the upstream of two-pass reverse osmosis film, the water outlet of described two-pass reverse osmosis film and the 4th pipeline communication, 5th pipeline is set between the dense water out of described two-pass reverse osmosis film and dense water tank and through the 5th pipeline communication, the pipeline of the 5th described pipeline is provided with secondary zwitterion mixed-bed resin Filter column.
Further, the pipeline of the first described pipeline is also provided with accurate filter, on the pipeline of first pipeline of described accurate filter between cartridge filter and dense water tank import.
Further, described cartridge filter is 1.0 μm of cartridge filters.
Further, described accurate filter is 0.45 μm of accurate filter.
Further, the anion exchange resins in described one-level zwitterion mixed-bed resin Filter column is strong-base anion-exchange resin, and the Zeo-karb in described one-level zwitterion mixed-bed resin Filter column is storng-acid cation exchange resin.
Further, the anion exchange resins in described secondary zwitterion mixed-bed resin Filter column is strong-base anion-exchange resin, and the Zeo-karb in described secondary zwitterion mixed-bed resin Filter column is storng-acid cation exchange resin.
The beneficial effects of the utility model are: constantly concentrated by the dense water in dense water tank by reverse osmosis unit, use negative ion, the kation in cation and anion exchange mixed bed Filter column removal water, structure is simple, easy to operate, desalting efficiency is high, can meet the needs that the organism compositions such as infrared, nuclear-magnetism are resolved.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model pretreatment unit;
Wherein: 1, raw water box, 2, dense water tank, 3, fresh-water tank, 4, water intaking valve, 5, Feed Pressurization pump, 6, cartridge filter, 7, accurate filter, 8, one-level booster pump, 9, first-stage reverse osmosis film, 11, the first pipeline, 12, second pipe, the 13, the 3rd pipeline, 14, the 4th pipeline, the 15, the 5th pipeline, 16, two-stage supercharging pump, 17, two-pass reverse osmosis film, 18, one-level zwitterion mixed-bed resin Filter column, 19, secondary zwitterion mixed-bed resin Filter column.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, the pretreatment unit of low-concentration organic composition analysis in a kind of water, comprises raw water box 1, dense water tank 2 and fresh-water tank 3; Arrange the first pipeline 11 between raw water box 1 and dense water tank 2 and be communicated with through this first pipeline 11, the pipeline of the first pipeline 11 being disposed with water intaking valve 4, Feed Pressurization pump 5 and cartridge filter 6, Feed Pressurization pump 5 valve is positioned at the upstream of cartridge filter 6.
Between dense water tank 2 and fresh-water tank 3, second pipe 12 is set and is communicated with through this second pipe 12, the pipeline of second pipe 12 is disposed with one-level booster pump 8 and first-stage reverse osmosis film 9, one-level booster pump 8 is positioned at the upstream of first-stage reverse osmosis film 9, the water outlet of first-stage reverse osmosis film 9 is communicated with fresh-water tank 3 through second pipe 12,3rd pipeline 13 be set between the dense water out of first-stage reverse osmosis film 9 and dense water tank 2 and be communicated with through the 3rd pipeline 13, the pipeline of the 3rd pipeline 13 being provided with one-level zwitterion mixed-bed resin Filter column 18.
Fresh-water tank 3 water delivering orifice connects the 4th pipeline 14, the pipeline of the 4th pipeline 14 is disposed with two-stage supercharging pump 16 and two-pass reverse osmosis film 17, two-stage supercharging pump 16 is positioned at the upstream of two-pass reverse osmosis film 17, the water outlet of two-pass reverse osmosis film 17 is communicated with the 4th pipeline 14, the dense water out of two-pass reverse osmosis film 17 with between dense water tank 2, the 5th pipeline 15 is set and is communicated with through the 5th pipeline 15, the pipeline of the 5th pipeline 15 is provided with secondary zwitterion mixed-bed resin Filter column 19.
First-stage reverse osmosis film 9 and two-pass reverse osmosis film 17 are connected, and the fresh water after first-stage reverse osmosis film 9 filters is concentrated further by two-pass reverse osmosis film 17, and get back to dense water tank 2 after water outlet dense water desalination, water outlet fresh water directly abandons discharge; Constantly concentrated by dense water in dense water tank 2 by the effect of two steps ro film, thus realize Organic substance in water and concentrate and synchronously the carrying out of desalination, the high-enriched organics obtained can carry out the organic constitution composition analysis such as follow-up infrared, nuclear-magnetism.
The pipeline of the first pipeline 11 is also provided with accurate filter 7, on the pipeline of first pipeline 11 of accurate filter 7 between cartridge filter 6 and dense water tank 2 import.Through cartridge filter 6 and accurate filter 7, twice filtration is carried out to former water, effectively remove impurities in water, particle, mud etc.
Cartridge filter 6 is 1.0 μm of cartridge filters; Accurate filter 7 is 0.45 μm of accurate filter.Cartridge filter 6 and accurate filter 7 adopt standard polypropylene material; Film body in first-stage reverse osmosis film 9 and two-pass reverse osmosis film 17 adopts high-performance RO film, and aperture is about 0.0001 μm.
Anion exchange resins in one-level zwitterion mixed-bed resin Filter column 18 is strong-base anion-exchange resin, and the Zeo-karb in one-level zwitterion mixed-bed resin Filter column 18 is storng-acid cation exchange resin; Anion exchange resins in secondary zwitterion mixed-bed resin Filter column 19 is strong-base anion-exchange resin, and the Zeo-karb in secondary zwitterion mixed-bed resin Filter column 19 is storng-acid cation exchange resin.Zwitterion mixed-bed resin Filter column is adopted to can be used for removing in water the zwitterions such as calcium ion, magnesium ion, chlorion, sulfate ion.
The pretreatment unit course of work of the present utility model is: Feed Pressurization pump 5 works, and is filtered by the former water in raw water box 1 through 1.0 μm of cartridge filters and 0.45 μm of accurate filter, thus removes the impurity particle that in water, particle diameter is greater than 0.45 μm; The water outlet of 0.45 μm of accurate filter 7 enters dense water tank 2, and all processes concentrate water body and are all kept in dense water tank 2.
The water outlet of dense water tank 2 drives first-stage reverse osmosis film 9 to filter water body by one-level booster pump 8 supercharging, fresh water after first-stage reverse osmosis film 9 filters flows to fresh-water tank 3 through second pipe 12, and the dense water after first-stage reverse osmosis film 9 filters enters dense water tank 2 and repeats to concentrate after one-level zwitterion mixed-bed resin Filter column 18 desalination.
Two-stage supercharging pump 16 gets fresh water supercharging from fresh-water tank 3, fresh water is driven to filter through two-pass reverse osmosis film 17, secondary concentration is carried out to the fresh water after filtering, dense water after two-pass reverse osmosis film 17 filters enters dense water tank 2 and repeats to concentrate after secondary zwitterion mixed-bed resin Filter column 19 desalination, fresh water after two-pass reverse osmosis film 17 filters again is discharged through the 4th pipeline 14, and above-mentioned used first, second, third and fourth, five pipelines all adopt stainless-steel tube to meet the pressure demand of counter-infiltration.
With the DOM of river for concentrated object, 500 liters of rivers can be condensed into less than 20 liters in 9 hours, cycles of concentration reaches 25 times, 91.3% is reached with the recovery efficiency that total organic carbon (TOC) is index evaluation DOM, achieve the concentrated of DOM water sample preferably, for parsing organic in follow-up water body, characterize and cleared away obstacle.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on instructions, must determine its technical scope according to right.
Claims (7)
1. the pretreatment unit of low-concentration organic composition analysis in water, is characterized in that, comprise raw water box (1), dense water tank (2) and fresh-water tank (3);
First pipeline (11) is set between described raw water box (1) and dense water tank (2) and is communicated with through this first pipeline (11), the pipeline of described first pipeline (11) is disposed with water intaking valve (4), Feed Pressurization pump (5) and cartridge filter (6), described Feed Pressurization pump (5) valve is positioned at the upstream of cartridge filter (6);
Between described dense water tank (2) and fresh-water tank (3), second pipe (12) is set and is communicated with through this second pipe (12), the pipeline of described second pipe (12) is disposed with one-level booster pump (8) and first-stage reverse osmosis film (9), described one-level booster pump (8) is positioned at the upstream of first-stage reverse osmosis film (9), the water outlet of described first-stage reverse osmosis film (9) is communicated with fresh-water tank (3) through second pipe (12), 3rd pipeline (13) is set between the dense water out of described first-stage reverse osmosis film (9) and dense water tank (2) and is communicated with through the 3rd pipeline (13), the pipeline of described 3rd pipeline (13) is provided with one-level zwitterion mixed-bed resin Filter column (18).
2. the pretreatment unit of low-concentration organic composition analysis in water according to claim 1, it is characterized in that, described fresh-water tank (3) water delivering orifice connects the 4th pipeline (14), the pipeline of described 4th pipeline (14) is disposed with two-stage supercharging pump (16) and two-pass reverse osmosis film (17), described two-stage supercharging pump (16) is positioned at the upstream of two-pass reverse osmosis film (17), the water outlet of described two-pass reverse osmosis film (17) is communicated with the 4th pipeline (14), the dense water out of described two-pass reverse osmosis film (17) with the 5th pipeline (15) is set between dense water tank (2) and is communicated with through the 5th pipeline (15), the pipeline of the 5th described pipeline (15) is provided with secondary zwitterion mixed-bed resin Filter column (19).
3. the pretreatment unit of low-concentration organic composition analysis in water according to claim 1, it is characterized in that, the pipeline of described the first pipeline (11) is also provided with accurate filter (7), and described accurate filter (7) is positioned on the pipeline of the first pipeline (11) between cartridge filter (6) and dense water tank (2) import.
4. the pretreatment unit of low-concentration organic composition analysis in water according to claim 1, it is characterized in that, described cartridge filter (6) is 1.0 μm of cartridge filters.
5. the pretreatment unit of low-concentration organic composition analysis in water according to claim 3, it is characterized in that, described accurate filter (7) is 0.45 μm of accurate filter.
6. the pretreatment unit of low-concentration organic composition analysis in water according to claim 1, it is characterized in that, anion exchange resins in described one-level zwitterion mixed-bed resin Filter column (18) is strong-base anion-exchange resin, and the Zeo-karb in described one-level zwitterion mixed-bed resin Filter column (18) is storng-acid cation exchange resin.
7. the pretreatment unit of low-concentration organic composition analysis in water according to claim 2, it is characterized in that, anion exchange resins in described secondary zwitterion mixed-bed resin Filter column (19) is strong-base anion-exchange resin, and the Zeo-karb in described secondary zwitterion mixed-bed resin Filter column (19) is storng-acid cation exchange resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520012044.6U CN204346808U (en) | 2015-01-08 | 2015-01-08 | The pretreatment unit of low-concentration organic composition analysis in water |
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| CN201520012044.6U CN204346808U (en) | 2015-01-08 | 2015-01-08 | The pretreatment unit of low-concentration organic composition analysis in water |
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| CN106315924A (en) * | 2016-10-21 | 2017-01-11 | 中国环境科学研究院 | Nanofiltration concentrating purifying device for organic matter dissolved in water |
| CN106315956A (en) * | 2016-10-21 | 2017-01-11 | 中国环境科学研究院 | Two-stage alkali washing type extracting equipment for organic matters dissolved in water body |
| CN106315925A (en) * | 2016-10-21 | 2017-01-11 | 中国环境科学研究院 | Device for concentrating and purifying organic matters in fresh water body and preparation method |
| CN106336041A (en) * | 2016-10-21 | 2017-01-18 | 中国环境科学研究院 | Reverse osmosis and first-class resin combined device for extracting fulvic acid in fresh water |
| CN106348513A (en) * | 2016-10-21 | 2017-01-25 | 中国环境科学研究院 | Equipment for extracting organic matters of fresh water by combining reverse osmosis and resin |
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| CN106365354B (en) * | 2016-10-21 | 2017-12-26 | 中国环境科学研究院 | Hydrophobicity dissolves humic acid extraction element in a kind of poisons in freshwater |
| CN106496592A (en) * | 2016-10-21 | 2017-03-15 | 中国环境科学研究院 | For extracting the equipment of hydrophobic humic acid in water body |
| CN106336041A (en) * | 2016-10-21 | 2017-01-18 | 中国环境科学研究院 | Reverse osmosis and first-class resin combined device for extracting fulvic acid in fresh water |
| CN106519259A (en) * | 2016-10-21 | 2017-03-22 | 中国环境科学研究院 | Equipment for extracting fulvic acid from water body |
| CN106365353A (en) * | 2016-10-21 | 2017-02-01 | 中国环境科学研究院 | Device for extracting fulvic acid dissolved in fresh water body |
| CN106365354A (en) * | 2016-10-21 | 2017-02-01 | 中国环境科学研究院 | Extracting device for hydrophobic dissolution humic acid in fresh water body |
| CN106496592B (en) * | 2016-10-21 | 2018-03-09 | 中国环境科学研究院 | Equipment for extracting hydrophobic humic acid in water body |
| CN106396153A (en) * | 2016-10-21 | 2017-02-15 | 中国环境科学研究院 | Device for extracting dissolved humic acid in fresh water body |
| CN106430712A (en) * | 2016-10-21 | 2017-02-22 | 中国环境科学研究院 | Device for extracting freshwater fulvic acid by means of two-stage resin and preparation method |
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| CN106315924A (en) * | 2016-10-21 | 2017-01-11 | 中国环境科学研究院 | Nanofiltration concentrating purifying device for organic matter dissolved in water |
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| CN106336041B (en) * | 2016-10-21 | 2017-09-12 | 中国环境科学研究院 | Counter-infiltration is combined the device for extracting fresh water fulvic acid with a grade resins |
| CN106365353B (en) * | 2016-10-21 | 2017-09-12 | 中国环境科学研究院 | Fulvic acid extraction element is dissolved in a kind of poisons in freshwater |
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| CN106519259B (en) * | 2016-10-21 | 2018-03-09 | 中国环境科学研究院 | A kind of equipment for extracting water body fulvic acid |
| CN106885721A (en) * | 2017-02-08 | 2017-06-23 | 中国环境科学研究院 | The equipment that a kind of use two-stage alkali cleaning formula extracts soil hydrophobic organic matter |
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| CF01 | Termination of patent right due to non-payment of annual fee |