CN106769342A - A kind of integrated recombiner - Google Patents

A kind of integrated recombiner Download PDF

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Publication number
CN106769342A
CN106769342A CN201710140186.4A CN201710140186A CN106769342A CN 106769342 A CN106769342 A CN 106769342A CN 201710140186 A CN201710140186 A CN 201710140186A CN 106769342 A CN106769342 A CN 106769342A
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China
Prior art keywords
tube
filtering pond
hybrid filtering
run
integrated
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Granted
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CN201710140186.4A
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CN106769342B (en
Inventor
张世强
郭然
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National Ocean Technology Center
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National Ocean Technology Center
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Priority to CN201710140186.4A priority Critical patent/CN106769342B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38Diluting, dispersing or mixing samples
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

The invention discloses a kind of integrated recombiner, including proportioning device and hybrid filtering pond, proportioning device is arranged on the top in hybrid filtering pond;Proportioning device includes quantity tube and run-off, and quantity tube is provided with three, and the top of each quantity tube is connected with an overfall;The overfall other end is passed into run-off;The lower end of each quantity tube is connected with a connecting tube, and a feed tube and a valve are both provided with each connecting tube, and valve is located at the lower section of feed tube;The lower end of connecting tube is connected with a mixing feed tube by three-way connection, and the lower end for mixing feed tube is connected with the top in hybrid filtering pond;A glass core is provided with the middle part of hybrid filtering pond, bottom is provided with filtrate outlet.Integrated recombiner integrates and quantifies, mixes, filtering, the compacter stabilization of structure;Reagent and water sample mixing sample introduction, are fully contacted, and increased chemical reaction degree, improve measurement sensitivity.

Description

A kind of integrated recombiner
Technical field
The present invention relates to a kind of water quality monitoring instrument, more particularly to a kind of integrated recombiner.
Background technology
Chemical oxygen consumption (COC) (abbreviation COD) is the overall target of water quality organic contamination, is most important in water quality routine monitoring One of project.China's national standard (GB 17378.4-2007) regulation is using potassium permanganate as oxidant oxygen in the basic conditions Change seawater sample, chemical oxygen consumption (COC) is calculated by the consumption of oxidant potassium permanganate.
Standard conditions are complicated, time-consuming, laborious.Therefore, COD analysis methods that are easy, fast and automatically changing and instrument are explored The effort target of device is always environmental monitoring work person.Since the eighties in last century her Vinh Long history of Japanese scholars first will flowing note Penetrate analytical technology to be introduced into COD on-line determinations, develop automation COD analytical instrument.Subsequent other scholars have been developed different Flow injection COD mensurations are studied, and after last century the nineties, various countries have developed various COD online analyzers in succession, its Middle recombiner plays a key effect as the important component of COD online analyzer in COD measure.
But seawater sample is different from fresh water, because seawater contains substantial amounts of calcium, magnesium ion, hydrogen-oxygen is generated in the basic conditions Change calcium and magnesium hydroxide white colloidal insoluble matter, and because Flow Injection Analysis process is carried out in the thin pipe of closing, it is this White colloidal insoluble matter easily blocking pipeline, and COD determines and uses optical detection technique, this white colloidal insoluble matter, Influence light detection.Common solution is to be dissolved calcium hydroxide and magnesium hydroxide white colloidal insoluble matter with hydrochloric acid, then is gone Light is detected.So due to adding the hydrochloric acid of certain volume, necessarily increase total volume of reaction solution, so that diluting reaction knot Really, larger evaluated error is caused.
The sea water COD analyzer designed before National Ocean Technology Center is exactly double current-carrying double injection flow passage structures (see figure 4)。
Main road is alkali road, quantitative using rotation sampling valve, is respectively tried water sample and potassium permanganate with two rotation sampling valves Sodium Hydroxide Alkaline main road is injected in agent.Bypass (sour road) design be in order to dissolve alkaline sedimentation, but its negative effect can also make it is anti- Answer solution to dilute, cause sensitivity decrease.Double injection is designed as water sample and reagent difference sample injection, and water sample and reagent are in pipeline In lean on diffusion contact, water sample and reagent contact are few, and chemically reacting, insufficient (what the top of Fig. 4 represented is water sample and reagent in pipe Distribution scenario in road).It is possible when this design is exceedingly fast for reaction speed or sample concentration is very high, and COD is surveyed Surely it is the slower redox reaction of reaction speed, it is not high so as to also result in sensitivity.
Generally existing drawbacks described above during present sea water COD is determined, therefore how to solve drawbacks described above, as now urgently Technical problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of integrated recombiner, to solve the problems, such as above-mentioned prior art, improve Measurement sensitivity, reduces evaluated error.
To achieve the above object, the invention provides following scheme:The present invention provides a kind of integrated recombiner, including fixed Amount device and hybrid filtering pond, the proportioning device are arranged on the top in the hybrid filtering pond;The proportioning device is included Quantity tube and run-off, the run-off are arranged on the top of the quantity tube, and the quantity tube is provided with three, described in each The top of quantity tube is all connected with an overfall;Described overfall one end is connected with the quantity tube, and the other end is passed into described In run-off;The lower end of each quantity tube is connected with a connecting tube, and one is vertically installed with each described connecting tube Feed tube, is additionally provided with a valve in the connecting tube, the valve is located at the lower section of the feed tube;
Three lower ends of the connecting tube are connected with a mixing feed tube, the mixing feed tube by a three-way connection Lower end be connected with the top in the hybrid filtering pond;A glass core is provided with the middle part of the hybrid filtering pond, bottom sets It is equipped with filtrate outlet.
Optionally, the run-off is provided with three, triangular in shape uniform;Each described quantity tube respectively with an overflow Pond connects, and three quantity tubes are triangular in shape uniform.
Optionally, the bottom of the run-off is provided with discharge floss hole, a diameter of 6.0mm of the discharge floss hole.
Optionally, the overfall beveled, opening bore is 2.0mm, and angle of inclination is 45 °.
Optionally, a diameter of 6.0mm of the quantity tube, its top is cone with bottom.
Optionally, the top in the hybrid filtering pond is connected with gas tube and escaping pipe, and the gas tube mixes with described One end of filtering ponds connection is goed deep into the hybrid filtering pond, and presses close to the glass core top.
Optionally, the top in the hybrid filtering pond is also associated with two inlets, is respectively used to hydrochloric acid feed liquor and pure water Feed liquor.
Optionally, the glass core is cone, and its is opening up;The gas tube presses close to the cone of the glass core Middle face.
Optionally, the bottom in the hybrid filtering pond is cone.
Optionally, the integrated recombiner is processed from strand by a cylindric lucite.
The present invention achieves following technique effect relative to prior art:
Integrated recombiner of the invention integrates quantitative, mixes, three kinds of functions of filtering, the compacter stabilization of structure; Sample introduction after potassium permanganate reagent and seawater sample mixed, is fully contacted water sample and reagent, increased chemical reaction degree, improves Measurement sensitivity;After the completion of measure, then dissolving with hydrochloric acid insoluble matter is passed through, eliminates influence of the hydrochloric acid volume to determining, carried Measurement accuracy high.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings Obtain other accompanying drawings.
Fig. 1 is the sectional view of integration recombiner of the invention;
The top view of the integrated recombiners of Fig. 2;
The structural representation of the integrated recombiners of Fig. 3;
Fig. 4 is the design path that prior art COD is determined;
Fig. 5 is design path of the invention;
Wherein, 1 is quantity tube, and 2 is run-off, and 3 is overfall, and 4 is hybrid filtering pond, and 5 is discharge floss hole, and 6 is company Adapter, 7 is feed tube, and 8 is magnetic valve installing pipe, and 9 is three-way connection, and 10 is mixing feed tube, and 11 is gas tube, and 12 is filtrate Outlet, 13 is escaping pipe, and 14 is glass core.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
It is an object of the invention to provide a kind of integrated recombiner, to solve the problems, such as prior art, survey is improve Amount sensitivity, reduces evaluated error.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable The present invention is further detailed explanation to apply mode.
The present invention provides integrated recombiner, as shown in Figure 1 to Figure 3, including proportioning device and hybrid filtering pond 4, it is quantitative Device is arranged on the top in hybrid filtering pond 4;Proportioning device includes quantity tube 1 and run-off 2, and quantity tube 1 is provided with three, The top of each quantity tube 1 is connected with an overfall 3;The one end of overfall 3 is connected with quantity tube 1, and the other end is passed into overflow In pond 2;The lower end of each quantity tube 1 is connected with a connecting tube 6, and a feed tube 7 is vertically installed with each connecting tube 6, Three feed tubes 7 are respectively used to be passed through potassium permanganate reagent, sodium hydroxide reagent and seawater sample, and sodium hydroxide reagent can also Replaced being additionally provided with a valve in each connecting tube 6 with other suitable alkaline reagents, valve is magnetic valve, pacified by magnetic valve Tubulature 8 is arranged in connecting tube 6, positioned at the lower section of feed tube 7;Magnetic valve and feed tube 7 all press close to the setting of the bottom of quantity tube 1. Run-off 2 is provided with three, and triangular in shape uniform, each quantity tube 1 is connected with a run-off 2 respectively, and three quantity tubes 1 are in Triangle is uniform, the compacter stabilization of structure of run-off 2 and quantity tube 1.
First, by three valve Close Alls, with micropump by potassium permanganate reagent, sodium hydroxide reagent and seawater sample It is passed through in quantity tube 1 from three feed tubes 7 respectively, quantity tube 1 is vertical long tube, its top and bottom are cone, can Avoid remaining bubble in quantity tube 1, influence certainty of measurement.After reagent or sample are full of quantity tube 1, unnecessary part from Overfall 3 is spilt into run-off 2;The beveled of overfall 3, opening bore is 2.0mm, and angle of inclination is 45 °, be ensure that Unnecessary liquid all overflows, and error improves quantitative accuracy less than a drop.The bottom of run-off 2 sets discharge discharge Mouth 5, a diameter of 6.0mm of discharge floss hole 5, the surplus liquid in run-off 2 is discharged from discharge floss hole 5.
Three lower ends of connecting tube 6 are connected with a mixing feed tube 10 by a three-way connection 9, mixing feed tube 10 Lower end is connected with the top in hybrid filtering pond 4, for three kinds of liquid to be passed into hybrid filtering pond 4, is mixed.Mixed The middle part in filter tank 4 is provided with a glass core 14, and bottom is provided with filtrate outlet 12, and glass core 14 is cone, is used Corrosion-resistant glass is made, and its is opening up, and inside is alveolate texture, and potassium permanganate reagent, sodium hydroxide reagent and seawater are tried Three kinds of liquid of sample are mixed on the top of glass core 14;Because there is substantial amounts of calcium, magnesium ion in seawater sample, reaction is again Carried out under the conditions of Sodium Hydroxide Alkaline, now mixed solution reacts and produces white colloidal insoluble matter, and reaction equation is such as Under:
Ca2++2OH-=Ca (OH)2
Mg2++2OH-=Mg (OH)2
In order that above-mentioned three kinds of liquid is well mixed, the top in hybrid filtering pond 4 uses flat head design, connects thereon Gas tube 11 is connected to, one end that gas tube 11 is connected with hybrid filtering pond 4 is goed deep into hybrid filtering pond 4, and presses close to glass core 14 conical surface middle part top, air is passed through with air pump through gas tube 11 to the top of hybrid filtering pond 4, is inflated stirring, makes to mix Close the more uniform of liquid mixing.The top in hybrid filtering pond 4 is also associated with escaping pipe 13, so as to by hybrid filtering pond 4 Gas is discharged.
After Aerated stirring is uniform, unlatching is connected to the suction filter pump at filtrate outlet 12, causes the bottom of hybrid filtering pond 4 to bear Pressure, under suction function, the mixed liquor positioned at the top of hybrid filtering pond 4 is just flowed down through glass core 14, and white colloidal is not Molten thing is trapped within the surface of glass core 14, and limpid filtered fluid just can inject photodetector measure.The bottom in hybrid filtering pond 4 It is cone, conical surface top is connected with filtrate outlet 12, facilitates filtrate outflow, reduce residual, improves certainty of measurement.
Seawater sample of the present invention is identical with potassium permanganate reagent sampling volume, and now potassium permanganate reagent excess, works as reaction After the completion of, by the reduction of remaining potassium permanganate reagent, to measure.
The top in hybrid filtering pond 4 is also associated with two inlets, is respectively used to hydrochloric acid feed liquor and pure water feed liquor;Work as measure After the completion of, the top in hydrochloric acid inlet injection hybrid filtering pond 4 therefrom retains on the surface of dissolving glass core 14 White colloidal insoluble matter, reaction equation is as follows:
Ca(OH)2+ 2HCl=CaCl2+2H2O
Mg(OH)2+ 2HCl=MgCl2+2H2O
Discharged from filtrate outlet 12 after dissolving, thrown aside.
By pure water from the top of another inlet injection hybrid filtering pond 4, cleaning glass core 14.
Waste liquid after cleaning is also discharged from filtrate outlet 12, is thrown aside.
Then can start to determine next time.
The present invention use flow path designs as shown in figure 5, water sample and reagent mixing after sample introduction, water sample and reagent is fully connect Touch, increased chemical reaction degree, improve measurement sensitivity.(top of Fig. 5 represent be water sample and reagent mixing after pipe Distribution scenario in road).
Integrated recombiner of the invention integrates quantitative, mixes, three kinds of functions of filtering, by a cylindric lucite Process, integrated recombiner is located in cylindric lucite, the compacter stabilization of structure;Potassium permanganate reagent and seawater Sample introduction after sample mixed, is fully contacted water sample and reagent, increased chemical reaction degree, improves measurement sensitivity;Work as survey After the completion of fixed, then dissolving with hydrochloric acid insoluble matter is passed through, eliminates influence of the hydrochloric acid volume to determining, improve measurement accuracy.
Specific case is applied in the present invention to be set forth principle of the invention and implementation method, above example Illustrate that being only intended to help understands the method for the present invention and its core concept;Simultaneously for those of ordinary skill in the art, according to According to thought of the invention, will change in specific embodiments and applications.In sum, this specification content Should not be construed as limiting the invention.

Claims (10)

1. a kind of integrated recombiner, it is characterised in that:Including proportioning device and hybrid filtering pond, the proportioning device is arranged on The top in the hybrid filtering pond;The proportioning device includes quantity tube and run-off, and the run-off is arranged on described fixed The top of buret, the quantity tube is provided with three, and the top of each quantity tube is connected with an overfall;The overflow Mouth one end is connected with the quantity tube, and the other end is passed into the run-off;The lower end of each quantity tube is connected with One connecting tube, is vertically installed with a feed tube in each described connecting tube, a valve is additionally provided with the connecting tube, described Valve is located at the lower section of the feed tube;
Three lower ends of the connecting tube are connected with a mixing feed tube by a three-way connection, under the mixing feed tube End is connected with the top in the hybrid filtering pond;A glass core is provided with the middle part of the hybrid filtering pond, bottom is provided with Filtrate outlet.
2. integrated recombiner according to claim 1, it is characterised in that:The run-off is provided with three, in triangle Shape is uniform;Each described quantity tube is connected with a run-off respectively, and three quantity tubes are triangular in shape uniform.
3. integrated recombiner according to claim 1, it is characterised in that:The bottom of the run-off is provided with discharge row Put mouth, a diameter of 6.0mm of the discharge floss hole.
4. integrated recombiner according to claim 1, it is characterised in that:The overfall beveled, be open bore It is 2.0mm, angle of inclination is 45 °.
5. integrated recombiner according to claim 1, it is characterised in that:A diameter of 6.0mm of the quantity tube, its top End is cone with bottom.
6. integrated recombiner according to claim 1, it is characterised in that:The top in the hybrid filtering pond is connected with to be filled Tracheae and escaping pipe, the gas tube go deep into the hybrid filtering pond with one end that the hybrid filtering pond is connected, and press close to The glass core top.
7. integrated recombiner according to claim 6, it is characterised in that:The top of the mixer filter is also associated with Two inlets, are respectively used to hydrochloric acid feed liquor and pure water feed liquor.
8. integrated recombiner according to claim 6, it is characterised in that:The glass core is cone, its opening Upward;The gas tube presses close to the conical surface middle part of the glass core.
9. integrated recombiner according to claim 1, it is characterised in that:The bottom in the hybrid filtering pond is circular cone Shape.
10. integrated recombiner according to claim 1, it is characterised in that:The integrated recombiner is cylindric by one Lucite processes from strand.
CN201710140186.4A 2017-03-10 2017-03-10 A kind of integration recombiner Expired - Fee Related CN106769342B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107144676A (en) * 2017-06-12 2017-09-08 山东龙发环保科技有限公司 Detection device and gauge line, metering device and its metering method
CN111413149A (en) * 2020-04-26 2020-07-14 广州海研生物科技有限公司 Sampling device for detecting biological technology medicament products
CN111458211A (en) * 2020-05-14 2020-07-28 青海省药品检验检测院 Prevent that medicine that deposits from detecting and leaving a kind device with sample

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1971264A (en) * 2005-11-24 2007-05-30 江苏江分电分析仪器有限公司 Control device for automatically removing oxygen, adding liquid and mixing of titration solvent
US20080277347A1 (en) * 2007-05-08 2008-11-13 Robert Lee Grenz Sample preparation device and method utilizing polyamide tube
CN104297419A (en) * 2013-07-17 2015-01-21 国家电网公司 Device for evaluating liquid foaming performance and foam generating method
CN105521650A (en) * 2014-09-30 2016-04-27 宝钢不锈钢有限公司 Quantitative gas-liquid mixing device and method
CN206740469U (en) * 2017-03-10 2017-12-12 国家海洋技术中心 A kind of integrated recombiner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1971264A (en) * 2005-11-24 2007-05-30 江苏江分电分析仪器有限公司 Control device for automatically removing oxygen, adding liquid and mixing of titration solvent
US20080277347A1 (en) * 2007-05-08 2008-11-13 Robert Lee Grenz Sample preparation device and method utilizing polyamide tube
CN104297419A (en) * 2013-07-17 2015-01-21 国家电网公司 Device for evaluating liquid foaming performance and foam generating method
CN105521650A (en) * 2014-09-30 2016-04-27 宝钢不锈钢有限公司 Quantitative gas-liquid mixing device and method
CN206740469U (en) * 2017-03-10 2017-12-12 国家海洋技术中心 A kind of integrated recombiner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107144676A (en) * 2017-06-12 2017-09-08 山东龙发环保科技有限公司 Detection device and gauge line, metering device and its metering method
CN111413149A (en) * 2020-04-26 2020-07-14 广州海研生物科技有限公司 Sampling device for detecting biological technology medicament products
CN111413149B (en) * 2020-04-26 2020-10-13 广州海研生物科技有限公司 Sampling device for detecting biological technology medicament products
CN111458211A (en) * 2020-05-14 2020-07-28 青海省药品检验检测院 Prevent that medicine that deposits from detecting and leaving a kind device with sample

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