CN106979936A - It is a kind of for water quality detection without tube wall flow cell device - Google Patents
It is a kind of for water quality detection without tube wall flow cell device Download PDFInfo
- Publication number
- CN106979936A CN106979936A CN201610031454.4A CN201610031454A CN106979936A CN 106979936 A CN106979936 A CN 106979936A CN 201610031454 A CN201610031454 A CN 201610031454A CN 106979936 A CN106979936 A CN 106979936A
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- China
- Prior art keywords
- water
- tube wall
- inlet pipe
- flow cell
- water inlet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optical Measuring Cells (AREA)
Abstract
The present invention propose it is a kind of for water quality detection without tube wall flow cell device, its feature includes：Water inlet pipe is not joined directly together with reception tank; flow cell exists without tube wall; the water flowed out from water inlet pipe without aqueduct (tu bular through-flow pond) falls directly into reception tank; water in water inlet pipe is by stable-pressure device control; for ensureing the water column even thickness of whereabouts; avoid due to the uneven caused measurement error of water column; in order to prevent spray of water; a light permeable protection is mounted with outside device; light beam direct irradiation is detected on water sample to be measured, so as to avoid because impurities in water accumulates the influence for being deposited on and being caused on tube wall to testing result.
Description
Technical field
The present invention relates to a kind of flow cell device for water quality detection, more particularly to it is a kind of can avoid impurities in water deposition pollution without tube wall circulation
Cell system.
Background technology
With the development of the social economy, the status of water resource is increasingly important.Water quality detection has become the numerous areas such as aquatic products industry, industry, environmental protection
The research and development of various water quality detection equipment are had critically important application value by important topic.
The mentality of designing of conventional water quality detection equipment is：Water sample to be measured flows into tu bular through-flow pond by water inlet pipe, and flow cell is measured zone, to be measured
Water sample is by the way that reception tank is received and exported again after flow cell.Incident light is incident from flow cell side, through water sample to be measured after go out from the opposite side of flow cell
Penetrate, the various constituents of water sample to be measured are determined by analyzing outgoing spectrum.
The drawbacks of this conventional design, is, with the increase of equipment use time, the impurity that flow cell tube wall can adhere in many water samples, so that right
Testing result is impacted, and spectral measurement requires very high to the clean-up performance of tube wall, so needing to carry out periodic cleaning or replacing to tube wall, otherwise
Measurement accuracy will be had a strong impact on or even block passing through for light.
The content of the invention
The present invention provides a kind of flow cell device without tube wall, and water inlet pipe is not joined directly together with reception tank, and flow cell exists without tube wall, and detection light beam is straight
Connect and be radiated on water sample to be measured, measurement transmitted spectrum or fluorescence spectrum, so as to avoid because impurities in water accumulation is deposited on tube wall to detection knot
The influence that fruit is caused.
The invention mainly comprises water inlet pipe, reception tank, stable-pressure device and protective cover, the water from water inlet pipe outflow is without aqueduct (tu bular through-flow pond)
The water in reception tank, water inlet pipe is fallen directly into by stable-pressure device control, for ensureing the water column even thickness of whereabouts, it is to avoid because water column inequality causes
Measurement error, in order to prevent spray of water, a light permeable protection is mounted with outside device.Detail refers to embodiment part.
Brief description of the drawings
Fig. 1 is the concrete structure schematic diagram of the present invention.
Fig. 2 is be improved on the basis of the present invention another without tube wall flow cell schematic diagram.
Embodiment
The present invention provides two kinds of specific implementation cases, and accompanying drawing 1 is a kind of schematic diagram of case study on implementation.As shown in Figure 1, it includes water inlet pipe 1, connects
Receives pond 2, stable-pressure device 3 and light permeable protection 4.
The water inlet pipe of water inlet pipe 1 and conventional water quality detecting device is as good as, and major function is that water sample to be measured is imported into flow cell.
The reception tank of reception tank 2 and conventional water quality detecting device is as good as, and major function is to receive after detection water sample and exported.
Water inlet pipe 1 is not attached to reception tank 2, and intermediate portion constitutes the flow cell without tube wall, and water sample to be measured falls into reception tank after water inlet pipe outflow,
It is not in contact in dropping process with any tube wall, so as to avoid because impurity is deposited on the influence that tube wall is caused to measurement result.
Stable-pressure device 3 mainly serves for ensuring the water column fallen from water inlet pipe and keeps uniform width, and it mainly includes a pond for being in certain altitude,
Liquid level is always maintained at the height of some fixation in pond, and it is constant so can to ensure that the testing liquid into water inlet pipe has according to pressure formula p=ρ gh
Pressure so that ensure its from water inlet pipe fall when with fixed width, it is to avoid because measurement error caused by water column width is uneven, its core exists
In constant pressure driving, constant current are caused.
Light permeable protection 4 is mainly used in avoiding the liquid splash fallen from impacting measurement result, in addition it is also necessary to which it has thoroughly to detection light beam
The property crossed, available for Ultraviolet transmission spectrum measurement or fluorescence spectral measuring.
This design effectively prevent testing liquid contact with flow cell tube wall, so that avoid causes impurities in water on tube wall due to being used for a long time
Deposition, eliminate because tube wall impurity deposits introduced measurement error.
Accompanying drawing 2 is another specific implementation case, and the case uses drop form, focuses on ultraviolet light transmission, and microcell measurement passes through spectrum or fluorescence light
Spectrometry, this mode can save liquid sample, and stability is high, be adapted to microsampling measurement.
Its core concept is consistent with Fig. 1, is all to use the flow cell without tube wall.Itself and Fig. 1 difference are：Fig. 2 is a kind of miniaturization detection
Device, water inlet pipe and reception tank all very littles, spacing between the two only have several millimeters, ooze a drop, this drop from water inlet pipe every time
Full of the gap between water inlet pipe and reception tank, incident beam direct irradiation is on the drop, and the drop takes export away by reception tank after detection, by
Drip and exist and in gap, and water droplet can be adsorbed in gap in an only dropping liquid, so the case study on implementation does not need light permeable protection.The embodiment
Middle water inlet pipe and reception tank are not attached to, and are still a flow cell without tube wall, so as to avoid because tube wall deposits the measurement error caused.
Claims (1)
1. it is a kind of for water quality detection without tube wall flow cell device, its core be flow cell without tube wall design, it is possible to prevente effectively from impurities in water is in pipe
Deposition on wall；It is characterized in that：It includes being reception tank (2), reception tank (2) and water inlet pipe (1) below water inlet pipe (1), water inlet pipe (1)
Connectionless (i.e. flow cell is without tube wall)；Water in water inlet pipe (1) is driven by stable-pressure device (3), it is ensured that the water column flowed out from water inlet pipe (1) is protected
Hold constant width；Device also includes light permeable protection (4), for preventing liquid splash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031454.4A CN106979936A (en) | 2016-01-18 | 2016-01-18 | It is a kind of for water quality detection without tube wall flow cell device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031454.4A CN106979936A (en) | 2016-01-18 | 2016-01-18 | It is a kind of for water quality detection without tube wall flow cell device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979936A true CN106979936A (en) | 2017-07-25 |
Family
ID=59341073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610031454.4A Pending CN106979936A (en) | 2016-01-18 | 2016-01-18 | It is a kind of for water quality detection without tube wall flow cell device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979936A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118010636A (en) * | 2024-04-08 | 2024-05-10 | 成都乐攀环保科技有限公司 | On-line monitor and monitoring method for biotoxicity water quality |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068681U (en) * | 1990-05-29 | 1991-01-02 | 上海自来水公司节水设备总厂 | Photoelectric turbidity probe assaying transducer |
| CN1683921A (en) * | 2005-02-05 | 2005-10-19 | 中国科学院安徽光学精密机械研究所 | Non-contact COD/DOC water quality on-line monitoring method and device by spectrum method |
| CN103969187A (en) * | 2014-05-07 | 2014-08-06 | 大连理工大学 | Fluorescence spectrophotometer flow cell assembly for fluorescent online quantitative detection |
| CN204298890U (en) * | 2014-12-04 | 2015-04-29 | 姜跃炜 | Overflow type pressure-stabilizing tank |
-
2016
- 2016-01-18 CN CN201610031454.4A patent/CN106979936A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068681U (en) * | 1990-05-29 | 1991-01-02 | 上海自来水公司节水设备总厂 | Photoelectric turbidity probe assaying transducer |
| CN1683921A (en) * | 2005-02-05 | 2005-10-19 | 中国科学院安徽光学精密机械研究所 | Non-contact COD/DOC water quality on-line monitoring method and device by spectrum method |
| CN103969187A (en) * | 2014-05-07 | 2014-08-06 | 大连理工大学 | Fluorescence spectrophotometer flow cell assembly for fluorescent online quantitative detection |
| CN204298890U (en) * | 2014-12-04 | 2015-04-29 | 姜跃炜 | Overflow type pressure-stabilizing tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118010636A (en) * | 2024-04-08 | 2024-05-10 | 成都乐攀环保科技有限公司 | On-line monitor and monitoring method for biotoxicity water quality |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |