CN107144560A - On-line chemical analysis instrument - Google Patents
On-line chemical analysis instrument Download PDFInfo
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- CN107144560A CN107144560A CN201710283796.XA CN201710283796A CN107144560A CN 107144560 A CN107144560 A CN 107144560A CN 201710283796 A CN201710283796 A CN 201710283796A CN 107144560 A CN107144560 A CN 107144560A
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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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention discloses a kind of on-line chemical analysis instrument, including pedestal, storage part and analysis portion, pedestal is provided with the first platform and the second platform, storage part includes sample cell and reagent disc, sample cell is fixed on the second platform, reagent disc is rotated with the first platform and is connected, and analysis portion includes rotating the colorimetric device being connected with the dynamic sampler being connected of pedestal and with the second platform, and colorimetric device includes multiple cuvettes and the cuvette disk for housing cuvette.Second platform is fixed on by sample cell, reagent disc is rotated with the first platform and is connected, cuvette disk is rotated with the second platform and is connected, and the different reagents in the sample and reagent disc in sampler pipette samples groove add cuvette and reacted, and eliminate circulation pool structure, accelerate analyze speed, cross pollution is reduced, the step of being cleaned to flow cell has been saved, the quantity of cuvette is multiple, multiple reactions can be carried out simultaneously, and then improve the detection efficiency of analyzer.
Description
Technical field
The present invention relates to detecting instrument technical field, more particularly to a kind of on-line chemical analysis instrument.
Background technology
At present, the chemical analyzer of in the market is generally included and sample using flow cell colorimetric method, i.e. on-line chemical analysis instrument
The reagent of sample and reagent disc in the flow cell that product groove is connected with reagent disc, sample cell circulates pond, and sample exists with reagent
It is sufficiently mixed in flow cell, recycles colorimetric device to test and analyze sample with the mixture after reagent reacting.But due to
The sample and reagent of the upper secondary response of flow cell easily residual, it is necessary to be cleaned to flow cell before test and analyze next time,
And then cause the detection efficiency of on-line chemical analysis instrument low.In addition, due also to existing chemical analyzer can only be right in analysis
One parameter is analyzed so that detection efficiency is low.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is to be not required to the pool structure that circulates there is provided one kind, and efficient detection is more
The on-line chemical analysis instrument that parameter is analyzed simultaneously.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of on-line chemical analysis instrument, onlineization
Credit analyzer includes pedestal, storage part and analysis portion, and the pedestal is set provided with the first platform and with first plateau levels
The second platform, the storage part includes sample cell and reagent disc, and the sample cell is fixed on second platform, the reagent
Disk and first platform are rotated and be connecteds, and the analysis portion includes the sampler being connected with pedestal rotation and with described the
Two platforms rotate the colorimetric device of connection, and the colorimetric device includes multiple cuvettes and the colorimetric for housing the cuvette
Ware disk, multiple cuvettes are detachably connected with the cuvette disk, and multiple cuvettes are spaced to be set, the ratio
Color ware disk is rotated with second platform and is connected, and the sample cell is directly connected with waters to be measured, and the sampler is to incite somebody to action
The reagent in sample and the reagent disc in the sample cell is added in the different cuvettes, and the analysis portion is used to
To being analyzed in each cuvette with the sample that reagent reacting is finished.
Wherein, the colorimetric device also includes light source and filtering apparatus, and the light source is fixed on second platform, described
The luminous end of light source is towards the cuvette, and the filtering apparatus is fixed on second platform, and positioned at the cuvette and
Between the light source.
Wherein, the sampler includes support and the sampler that is connected with the holder pivots, the support with it is described
Pedestal is slidably connected, and the support is located between the reagent disc and the colorimetric disc, and the sampler turns to described respectively
The top of sample cell, the reagent disc and the cuvette.
Wherein, the storage part also includes overflow pipe, and the sample cell is connected with the overflow pipe, and the overflow pipe is used to
Overflow is carried out to unnecessary sample.
Wherein, the storage part also includes rotating the disk that keeps sample that is connected with the reagent disc, and the disk that keeps sample is along the examination
Agent disk periphery encloses setting.
Wherein, the on-line chemical analysis instrument also includes the cleaning part being fixedly connected with second platform, the cleaning
Portion includes multiple cleaning devices being set up in parallel, and the cleaning device is fixed on second platform, and the cleaning device
End is cleaned towards the cuvette.
Wherein, the on-line chemical analysis instrument also includes frame, and the pedestal is fixed on the frame, and the frame includes
Bottom plate and the side plate being fixedly connected with the bottom plate, form host cavity between the bottom plate and the side plate, the host cavity is used
To house the storage part and the analysis portion.
Wherein, the on-line chemical analysis instrument also includes collection portion, and the collection portion is fixed on the bottom plate, the frame
Also include dividing plate, the dividing plate is fixed in the accommodating chamber, the accommodating chamber is separated out the first cavity and with described first
The second cavity that cavity is oppositely arranged, the pedestal is fixed on the dividing plate, and first cavity is to house described deposit
Storage portion and the analysis portion, second cavity is to house the collection portion.
Wherein, the collection portion includes the first container, and first container is fixed on the bottom plate, first container with
The outflow end connection of the cuvette disk, to collect the waste liquid after the cleaning device is cleaned to the cuvette.
Wherein, the collection portion also includes the second container being oppositely arranged with first container, and the second container is consolidated
Due to the bottom plate, the second container is connected with the cleaning device, to hold the cleaning fluid that the cleaning device needs.
The invention provides a kind of on-line chemical analysis instrument, second platform is fixed on by the sample cell, it is described
Reagent disc is rotated with first platform and is connected, and multiple cuvettes are detachably connected with the cuvette disk, the colorimetric
Ware disk is rotated with second platform and is connected, the different examinations in the sample and the reagent disc in sample cell described in the sampler
Agent adds the cuvette and reacted, and due to eliminating circulation pool structure, and then has saved the step cleaned to flow cell
Suddenly, and the cuvette quantity to be multiple, multiple reactions can be carried out simultaneously, and then improve the detection effect of analyzer
Rate.
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 embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of on-line chemical analysis instrument of the present invention；
Fig. 2 is storage part of the present invention and the example structural representation of analysis portion；
Fig. 3 is the structural representation of frame of the present invention and collection portion；
Fig. 4 is the structural representation of cuvette of the present invention and cuvette disk.
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.
In description of the invention, it is to be understood that the side of the instruction such as term " being higher than ", " being less than ", " top ", " lower section "
Position or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description,
Rather than imply or indicate that signified device or element must have specific orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the present invention provides a kind of on-line chemical analysis instrument 100, the on-line chemical analysis instrument
100 include pedestal 10, storage part 20 and analysis portion 30, the pedestal 10 provided with the first platform 11 and with the water of the first platform 11
Flat the second platform 12 set, the storage part 20 includes sample cell 21 and reagent disc 22, and the sample cell 21 is fixed on described
Second platform 12, the reagent disc 22 is rotated with first platform 11 and is connected, and the analysis portion 30 includes and the pedestal 10
Rotate the sampler 31 of connection and rotate the colorimetric device 32 being connected with second platform 12, the colorimetric device 32 includes
Multiple cuvettes 321 and the cuvette disk 322 for housing the cuvette 321, multiple cuvettes 321 and the colorimetric
Ware disk 322 is detachably connected, and multiple cuvettes 321 are spaced to be set, the cuvette disk 322 and second platform
12 rotate connection, and the sample cell 21 is directly connected with waters to be measured, and the sampler 31 is to by the sample cell 21
Sample and the reagent disc 22 in reagent be added in the different cuvettes 321, the analysis portion 30 is to every
The sample finished in cuvette 321 described in one with reagent reacting is analyzed.
It is to be understood that the on-line chemical analysis instrument 100 can be used for water quality monitoring, blowdown monitoring, sewage disposal
Quality control etc., technical support is provided for online environment monitoring, water treatment technology optimal control.
It is to be understood that the on-line chemical analysis instrument 100 can be with external sampling system, data collecting system and biography
Defeated system, the on-line chemical analysis instrument has the port to access said system, and port can be hardware port, such as USB
Port, port can also be radio port, such as WLAN ports, and the on-line chemical analysis instrument 100 accesses above-mentioned system by port
In system, it is possible to which analysis result is uploaded into GPRS or big-dipper satellite by analysis result by data collecting system, Transmission system,
The areas such as marine site, lake, reservoir, sewage draining exit are treated in the terminal used again by GPRS or Beidou satellite transmission to user, realization
Water sample to be measured on line real-time monitoring, and analysis result can also be delivered to the terminal of different user, realize that strange land is real-time
Monitoring, and then the on-line chemical analysis instrument 100 realizes two-way, even intercommunication.
It is to be understood that to be measured water of the on-line chemical analysis instrument 100 in marine site, lake, reservoir, sewage draining exit
Before sample is detected, raw water is entered the water sample to be measured of pretreatment by pipeline by the pre-treatment measure such as desilting, filtering, pumping plant
Enter the sample cell 21.Before needing to analyze water sample to be measured, all the sample cell 21 will repeatedly be rinsed with water sample to be measured,
Ensure the truth of the water sample to be measured at that time of sample instinct reflection in the sample cell 21, rinsing interval time can set as needed
Fixed, operating personnel can set instrument to rinse interval time by terminal remote, directly can also be set on the spot by sampling system
Flushing interval time is put, the sample cell 21 as described in pumping plant is rinsed every 1h or 2h or 3h or 4h or 5h extractions water sample to be measured is waited to rush
Wash after enough number of times, the sampler 31 draws the sample in the sample cell 21, and carries out Parameter analysis to sample, realizes
On-line monitoring to water sample to be measured.
It is to be understood that the on-line chemical analysis instrument 100 is additionally provided with buckles background technology using unique sample, it is described
On-line chemical analysis instrument can be used for the big water sample to be measured of water sample to be measured and salinity fluctuation with salinity, specifically can be used for inland
Fresh water water sample, the tidal area's water sample in coastal waters, the on-line analysis of abyssopelagic water sample.
It is to be understood that the on-line chemical analysis instrument 100 is connected with main frame, main frame can be to the colorimetric device 32
In result carry out multichannel analysis, the on-line chemical analysis instrument can detect water sample to be measured simultaneously more than 8 by main frame
Parameter, batch quantity analysis ability is strong, and cost performance is high.And the external host number ginseng that further increase is detected simultaneously can be increased
Number, improves detection and analysis efficiency.
In the present embodiment, the sample cell 21 is made up of inert material, can be polyethylene, polyvinyl chloride, poly- four
PVF and inertia glass etc., using inertia glass to be optimal.The sample cell 21 is connected with water sample to be detected, and water sample to be measured can be with
It is lake water, river, seawater, trade effluent etc., sets transfer tube that sample is pumped into the pipe of the sample cell 21 at water sample to be measured
Road, sets separator in pipeline opening, the impurity in water sample to be measured is separated, filtered, and keeps in water sample to be measured without big
Granule foreign influences follow-up detection and analysis.Water sample to be measured after processing reaches the sample cell 21, sampler 312 through piping
It will be drawn in the sample cell 21 in the cuvette 321, realize the on-line checking to water sample to be measured, reduced traditional online
Pollution of the chemical analyzer 100 in sampling link to water sample to be measured so that on-line chemical analysis instrument 100 can be when ensureing detection
While effect property, it is ensured that the degree of accuracy of detection.
In the present embodiment, when being detected for different water samples to be measured, the sample cell 21 is being stored next time
Water sample to be measured, the pipeline of the sample cell 21 is accessed the water sample to be measured of this time, and the water sample to be measured of this time is extracted by transfer tube
Multiple flushing is carried out to the sample cell 21, the last water sample to be measured that the fully erased sample cell 21 is remained is reduced
The cross pollution of multiple batches of water sample to be measured, it is ensured that the accuracy of detection of the on-line chemical analysis instrument 100.
In the preferred embodiment of present embodiment, the on-line chemical analysis instrument 100 includes the pedestal 10, the base
Seat 10 is provided with first platform 11 and second platform 12 being oppositely arranged, the reagent disc 22 and first platform 11
Connection is rotated, the sample cell 21 is fixedly connected with first platform 11.It is described in the optimum embodiment of present embodiment
Reagent disc 22 is rotated with first platform 11 and is connected, and the sample cell 21 is fixedly connected with second platform 12.The ratio
Color ware disk 322 is rotated with second platform 12 and is connected.The sampler 312 is located at the reagent disc 22 and the sample cell 21
Between, relatively described first platform 11 of the sampler 312 and second platform 12 are moved, convenient to water sample to be measured and reagent
It is sampled.
In the present embodiment, the colorimetric device 32 is connected with belt, and motor is connected to belt, is driven by belt
Move the cuvette disk 322 to rotate relative to second platform 12, the cuvette disk 322 is provided with multiple receiving colorimetrics
The mounting hole of ware 321, multiple cuvettes 321 are placed into mounting hole.In the embodiment of present embodiment, the colorimetric
The installation number of perforations of ware disk 322 is 80, and mounting hole circular array is distributed in the surface of cuvette disk 322, the colorimetric
The number of ware 321 is similarly 80, and the cuvette 321 is quartz material, and light path is 1cm, and volume is 1000uL, it is ensured that can
There are enough response locations with the on-line chemical analysis instrument 100, multiple reactions can be carried out simultaneously.Further, since the colorimetric
The small volume of ware 321, needs the amount of reagent of consumption to be less than 0.45mL described in single test, has saved the examination needed for single reaction
Dosage, and then reduce the use cost of the on-line chemical analysis instrument 100.In the embodiment of present embodiment, the ratio
The outside of color ware disk 322 sets thermostat, it is ensured that the temperature of the cuvette disk 322 is 25 DEG C~45 DEG C, the temperature difference ± 0.1 DEG C,
And then ensure sample and reagent temperature stabilization during the course of the reaction, reduce influence of the temperature change to analysis result.
In the present embodiment, the reagent disc 22 is connected with belt, and motor is connected to belt, is driven by belt
The reagent disc 22 is rotated relative to first platform 11.The reagent disc 22 is provided with the mounting hole of multiple receiving reagent bottles,
The reagent disc 22 for holding variety classes reagent is placed into mounting hole.The number of reagent bottle is 50, and each reagent bottle is contained respectively
Different reagents are put, the volume of reagent bottle is 30mL.The reagent of multiple types can meet the different need of different types of water sample to be measured
Ask, and the volume of reagent bottle is far longer than the required amount of reagent of detection and analysis every time, can meet the on-line chemical analysis instrument
100 use for a long time, reduce the situation for changing reagent.In the embodiment of present embodiment, the outside of reagent disc 22
Provided with semiconductor chilling plate, semiconductor chilling plate and circuit communication are freezed by Peltier effect to the reagent disc 22,
The temperature of the reagent disc 22 can be 13 DEG C~20 DEG C, be optimal with 13 DEG C, prevent reagent from going bad at high temperature, reagent is entered
Row protection, and then extend the use time of reagent, it is to avoid there is the situation for frequently changing reagent.Exist the invention provides one kind
Line chemical analyzer, second platform is fixed on by the sample cell, and the reagent disc is rotated with first platform to be connected
Connect, multiple cuvettes are detachably connected with the cuvette disk, the cuvette disk is rotated with second platform and is connected,
Different reagents in sample and the reagent disc in sample cell described in the sampler add the cuvette and reacted, by
In eliminating circulation pool structure, cross pollution is reduced, while having saved the step of being cleaned to flow cell.And the ratio
The quantity of color ware is multiple, and multiple reactions can be carried out simultaneously, and then improve the detection efficiency of analyzer.
Further, the colorimetric device 32 also includes light source (not shown) and filtering apparatus 323, and the light source is consolidated
Due to second platform 12, the luminous end of the light source is towards the cuvette 321, and the filtering apparatus 323 is fixed on institute
The second platform 12 is stated, and positioned between the cuvette 321 and the light source.
In the present embodiment, the light source is three-color fluorescent lamp, LED, negative electrode spot and laser etc., the optical filtering
Device 323 includes multiple optical filters, and the light source is fixed on second platform 12, and the light that the light source is sent is by filtering
Device 323 injects the cuvette 321, is fixed on reacted in the photometer contrastive colours ware 321 of second platform 12
Sample is tested and analyzed.In the present embodiment, the optical filter number of the filtering apparatus 323 is 10, and optical filter is arrowband
Optical filter, optical filter wave-length coverage is between 340nm~880nm, and luminosity is calculated as 24 high accuracy number detectors, the line of detection
Journey scope is 0-3.500Abs, and resolution ratio is 0.0001Abs.
Further, the sampler 31 includes support 311 and rotates the sampler 312 being connected with the support 311,
The support 311 is slidably connected with the pedestal 10, the support 311 be located at the reagent disc 22 and the cuvette 322 it
Between, the sampler 312 turns to the top of the sample cell 21, the reagent disc 22 and the cuvette 321 respectively.
In the present embodiment, the sampler 31 includes being slidably connected to the He of support 311 of second platform 12
The sampler 312 being connected is rotated with the support 311, the support 311 is located at second platform 12 close to the reagent disc
22 side, the support 311 is moved to the first predeterminated position, and the sampler 312 is to suction out in the sample cell 21
Sample, the support 311 is moved to the second predeterminated position, and the sampler 312 by sample to be added to the cuvette
321, the support 311 is moved to the 3rd predeterminated position, the sampler 312 to suction out the reagent in the reagent disc 22,
The support 311 is moved to the second predeterminated position, and the sampler 312 by reagent to be added to the cuvette 321.
In the embodiment of present embodiment, the sampler 312 includes sampling probe and sampler body, and sampling probe is slided
Sampler body is connected to, sampler body is rotationally connected with the support 311, and the support 311 is located at the cuvette disk
Between 322 and the reagent disc 22, and relatively described second platform 12 is slidably connected.The support 311 is moved to first and preset
During position, sampler body turns to the direction of sample cell 21, and sampling probe is along the sampler body to close to the sample cell
21 directions are moved, and the sampler body is slided, and draw the sample in the sample cell 21.The support 311 is moved to second
During predeterminated position, sampler body turns to the direction of cuvette 321, and sampling probe is along the sampler body to close to the ratio
The direction of color ware 321 is moved, and sample is added into the cuvette 321.When the support 311 is moved to three predeterminated position,
Sampler body turns to the direction of reagent disc 22, and sampling probe is moved along the sampler body to close to the direction of reagent disc 22
It is dynamic, draw the reagent in the reagent disc 22.When the support 311 again moves into second predeterminated position, sampler sheet
Body turns to the direction of cuvette 321, and sampling probe is moved along the sampler body to close to the direction of cuvette 321, will
Reagent adds the cuvette 321, realizes the hybrid reaction of sample and reagent.
In the present embodiment, the sampler 312 also includes first sensor (not shown), when the sampler
312 be located at the first predeterminated position or three predeterminated positions when, first sensor is felt by sampling probe in pipette samples or reagent
The position of liquid level is answered, when liquid level position is less than the preset value of first sensor, first sensor is to the on-line chemical analysis
Instrument 100 sends the electric signal of an alarm, remind operating personnel's addition reagent or the detection sample cell 21 pipeline whether by
Block.
In the present embodiment, the sampler 312 also includes second sensor (not shown), when the sampler
312 when moving, second sensor sense sampling probe from barrier with a distance from, it is to avoid sampling probe energy before barrier is encountered
Stop in time, protect the sampler 312.
Further, the storage part 20 also includes overflow pipe 23, and the sample cell 21 is connected with the overflow pipe 23, institute
Overflow pipe 23 is stated to carry out overflow to unnecessary sample.
In the present embodiment, the sample cell 21 is provided with the described first opening 211, and first opening 211 is towards institute
Sampler 312 is stated, facilitates the sampler 312 to draw the sample in the sample cell 21.The sample cell 21 is provided with described the
Two openings 212, second opening 212 is connected with excessive sample pipe, is used for less than the described first opening 211, second opening 212
Unnecessary water sample water conservancy diversion to be measured in the sample cell 21 is gone out, prevents unnecessary water sample to be measured from spilling into second platform 12, is damaged
Device on bad second platform 12.
Further, the storage part 20 also includes rotating the disk 24 that keeps sample being connected with the reagent disc 22, described to keep sample
Disk 24 encloses setting along the periphery of reagent disc 22.
In the present embodiment, the reagent disc 22 is discoid, and the disk 24 that keeps sample is ring-type, and the disk 24 that keeps sample encloses
Close in the lateral wall of reagent disc 22, it is possible to relatively rotated with the reagent disc 22.The disk 24 that keeps sample is connected with belt, skin
Band is under the drive of motor, and the disk 24 that keeps sample is rotated relative to the reagent disc 22.In the embodiment of present embodiment,
In the present embodiment, the sample and reagent in the cuvette 321 after the reaction, if 100 pairs of the on-line chemical analysis instrument
The inspection result of water sample to be measured meets preparatory condition, and the sampler 312 is moved to the top of sample cell 21, by the sample
Sample in groove 21 is drawn in the disk 24 that keeps sample, and is used as the sample of further experiment.
In the present embodiment, the on-line chemical analysis instrument 100 can be detached from aforementioned system, separately as one
Individual detection device, is not required to the cooperation of other systems.Specifically, operating personnel can adjust the on-line chemical analysis instrument 100
Mode of operation, when the on-line chemical analysis instrument 100 is adjusted to laboratory pattern from line model, the on-line chemical analysis
Instrument 100 can be tested and analyzed independently again to the sample in the disk 24 that keeps sample.
In the embodiment of present embodiment, the surface of disk 24 that keeps sample is provided with the mounting hole of multiple circular array, peace
Fill hole and place sample cell.Sample cell can be made up of inert material, can be polyethylene, polyvinyl chloride, polytetrafluoroethylene (PTFE) and lazy
Property glass etc., the number of sample cell is 260, and the volume of sample cell is 5ml.
Further, the on-line chemical analysis instrument 100 also includes the cleaning part being fixedly connected with second platform 12
40, the cleaning part 40 includes multiple cleaning devices 41 being set up in parallel, and the cleaning device 41 is fixed on second platform
12, and the cleaning device 41 cleaning end towards the cuvette 321.
In the present embodiment, the cleaning part 40 is fixed on second platform 12, and on the cuvette 321
Side, the cleaning part 40 includes multiple cleaning devices 41 being set up in parallel, and the cleaning is gone to towards the cuvette 321, right
The cuvette 321 is cleaned.In the embodiment of present embodiment, the number of the cleaning device 41 is 13, described
Cleaning device 41 includes cleaning needle, and cleaning needle is carried out in the presence of transfer tube using cleaning fluid to reacted cuvette 321
Cleaning, it is ensured that do not have the sample of residual after cleaning in the cuvette 321, and then ensure that the on-line chemical analysis instrument 100
Accuracy of detection.
In the present embodiment, the cleaning device 41 also includes 3rd sensor (not shown), 3rd sensor
For optical sensor, the cuvette 321 after cleaning is checked, when the detected cuvette 321 is unsatisfactory for the
During the preset value of three sensors, 3rd sensor sends an electric signal for continuing to clean so that the cleaning device 41 is carried out
The cuvette 321 is cleaned.When the result of the same cuvette 321 of 3rd sensor repeated detection does not pass through
When, the 3rd sensor sends the electric signal of a warning, and the on-line chemical analysis instrument 100 reminds operating personnel to enter pedestrian
Work is cleaned.
In the present embodiment, the cleaning device 41 also includes drying device (being to show in figure), drying device and institute
State the second platform 12 to be fixedly connected, drying device is located at the top of cuvette 321.High negative pressure is produced inside drying device, is entered
And suck the cleaning fluid remained on the cuvette 321, it is ensured that the drying of the cuvette 321 and no residual cleaning liquid,
Prevent residual cleaning liquid to be mixed into sample next time, and then testing result is disturbed.
In the present embodiment, the cleaning device 41 also includes sampling cleaning module, and sampling cleaning module is fixed on institute
Sampler 312 is stated, before sub-sampling under the sampling cleaning module is carried out to sampler 312, the sampler 312 is carried out certainly
Cleaning.
Further, the on-line chemical analysis instrument 100 also includes frame 50, and the pedestal 10 is fixed on the frame
50, the frame 50 includes bottom plate 51 and the side plate 52 being fixedly connected with the bottom plate 51, the bottom plate 51 and the side plate 52
Between form host cavity, the host cavity is to house the storage part 20 and the analysis portion 30.
In the present embodiment, the pedestal 10 is fixed on the frame 50, and the frame 50 includes the He of bottom plate 51
The side plate 52, the bottom plate 51 and the side plate 52 are sheet metal, and the bottom plate 51 and the side plate 52 are by the pedestal
10 enclose, and form the host cavity for housing the storage part 20 and the analysis portion 30.In the embodiment of present embodiment, institute
State and watch window is offered on side plate 52, operating personnel can pass through fortune of the watch window to the on-line chemical analysis instrument 100
Market condition is monitored.In addition, the bottom plate 51 and the formation closing space of the side plate 52, can prevent the online chemistry point
Enter impurity, Interference Detection analysis result in analyzer 100, or even damage the on-line chemical analysis instrument 100.
Further, the on-line chemical analysis instrument 100 also includes collection portion 60, and the collection portion 60 is fixed on the bottom
Plate 51, the frame also includes dividing plate 53, and the dividing plate 53 is fixed in the accommodating chamber, and the accommodating chamber is separated out into first
Cavity 54 and the second cavity 55 being oppositely arranged with first cavity 54, the pedestal 10 is fixed on the dividing plate 53, described
First cavity 54 is to house the storage part 20 and the analysis portion 30, and second cavity 55 is to house described adopt
Collection portion 60.
In the present embodiment, the dividing plate 53 by the inner space of the on-line chemical analysis instrument 100 be divided into above and below two
Individual part, first cavity 54 to accommodate analysis during required for parts, second cavity 55 is to accommodate
Material and reacted discarded object needed for during analysis, prevent from causing secondary pollution to the sample detected.
Further, the collection portion 60 includes the first container 61, and first container 61 is fixed on the bottom plate 51, institute
The outflow end that the first container 61 is stated with the cuvette disk 322 is connected, to collect described 41 pairs of cuvettes of cleaning device
Waste liquid after 321 cleanings.
In the present embodiment, first container 61 can be tubbiness, and the volume of first container 61 is 25L, by
Robust material is made, using polytetrafluoroethylene (PTFE) to be optimal.The opening flowed out for cleaning fluid is provided with the cuvette disk 322,
The open communication of first container 61 and the cuvette disk 322, collects the waste liquid after the cleaning cuvette 321.
In the present embodiment, first container 61 is provided with float element and the 4th sensor (not shown), floats
Dynamic element is arranged on inside first container 61, and is swum on the liquid level in first container 61, the 4th sensing
Device is pressure sensor, is arranged on the inwall of the first container 61.When float element contacts the 4th sensor, and satisfaction the 4th
During sensor preset pressure value, the first sensor device sends the electric signal of an alarm, reminds operating personnel to handle in time
Waste liquid.
In the present embodiment, the top of the first container 61 includes body and cover plate, and cover plate is detachably connected with body,
Body is to collect waste liquid, and cover plate to body to seal.Because some of waste liquid composition has volatility, lid is set
Plate causes the formation of the first container 61 closing space, prevents waste liquid from producing pollution to the inside of on-line chemical analysis instrument 100,
Ensure the personal safety of operating personnel.
Further, the collection portion 60 also includes the second container 62 being oppositely arranged with first container 61, described
Second container 62 is fixed on the bottom plate 51, and the second container 62 is connected with the cleaning device 41, described clear to hold
The cleaning fluid that cleaning device 41 needs.
In the present embodiment, the second container 62 can be tubbiness, and the volume of the second container 62 is 20L, by
Robust material is made, using polytetrafluoroethylene (PTFE) to be optimal.The second container 62 is connected with the cleaning device 41, clear to hold
The cleaning fluid washed needed for the cuvette 321.
In the present embodiment, the second container 62 is provided with float element and the 5th sensor (not shown), floats
Dynamic element is arranged on inside the second container 62, and is swum on the liquid level in the second container 62, the 5th sensing
Device is pressure sensor, is arranged on the inwall of second container 62.When float element contacts the 5th sensor, and satisfaction the 5th
During sensor preset pressure value, the 5th sensor device sends the electric signal of an alarm, reminds operating personnel to add in time
Cleaning fluid.
In the present embodiment, the top of second container 62 includes body and cover plate, and cover plate is detachably connected with body,
Body is to hold cleaning fluid, and cover plate to body to seal.Because some of cleaning fluid composition has volatility, if
Cover plate is put so that the formation closing space of the second container 62, prevents the cleaning fluid volatilization effusion second container 62.
The invention provides a kind of on-line chemical analysis instrument, second platform is fixed on by the sample cell, it is described
Reagent disc is rotated with first platform and is connected, and multiple cuvettes are detachably connected with the cuvette disk, the colorimetric
Ware disk is rotated with second platform and is connected, the different examinations in the sample and the reagent disc in sample cell described in the sampler
Agent adds the cuvette and reacted.Due to eliminating circulation pool structure, cross pollution is reduced, analyze speed is accelerated.
In addition, the small volume of the cuvette, reduces the reagent consumption of the on-line chemical analysis instrument, and set and the reagent disc
The disk that keeps sample of connection is rotated, the retention to exceeded sample is realized.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that all or part of flow of above-described embodiment is realized, and according to present invention power
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (10)
1. a kind of on-line chemical analysis instrument, it is characterised in that the on-line chemical analysis instrument includes pedestal, storage part and analysis
Portion, the second platform that the pedestal is set provided with the first platform and with first plateau levels, the storage part includes sample
Groove and reagent disc, the sample cell are fixed on second platform, and the reagent disc is rotated with first platform and is connected, described
Analysis portion includes rotating the sampler being connected with the pedestal and rotates the colorimetric device being connected with second platform, described
Colorimetric device includes multiple cuvettes and the cuvette disk for housing the cuvette, multiple cuvettes and the colorimetric
Ware disk is detachably connected, and multiple cuvettes are spaced to be set, and the cuvette disk is rotated with second platform and is connected,
The sample cell is directly connected with waters to be measured, and the sampler is to by the sample in the sample cell and the reagent disc
In reagent be added in the different cuvettes, the analysis portion to simultaneously to anti-with reagent in each cuvette
The sample that should be finished is analyzed.
2. on-line chemical analysis instrument as claimed in claim 1, it is characterised in that the colorimetric device also includes light source and optical filtering
Device, the light source is fixed on second platform, and the luminous end of the light source is towards the cuvette, and the filtering apparatus is consolidated
Due to second platform, and positioned between the cuvette and the light source.
3. on-line chemical analysis instrument as claimed in claim 1, it is characterised in that the sampler include support and with it is described
The sampler of holder pivots connection, the support is slidably connected with the pedestal, and the support is located at the reagent disc and described
Between colorimetric disc, the sampler turns to the top of the sample cell, the reagent disc and the cuvette respectively.
4. on-line chemical analysis instrument as claimed in claim 1, it is characterised in that the storage part also includes overflow pipe, described
Sample cell is connected with the overflow pipe, and the overflow pipe to unnecessary sample to carry out overflow.
5. on-line chemical analysis instrument as claimed in claim 1, it is characterised in that the storage part also includes and the reagent disc
The disk that keeps sample of connection is rotated, the disk that keeps sample encloses setting along the reagent disc periphery.
6. the on-line chemical analysis instrument as described in Claims 1 to 5, it is characterised in that the on-line chemical analysis instrument also includes
The cleaning part being fixedly connected with second platform, the cleaning part includes multiple cleaning devices being set up in parallel, the cleaning
Device is fixed on second platform, and the cleaning device cleaning end towards the cuvette.
7. on-line chemical analysis instrument as claimed in claim 6, it is characterised in that the on-line chemical analysis instrument also includes machine
Frame, the pedestal is fixed on the frame, and the frame includes bottom plate and the side plate being fixedly connected with the bottom plate, the bottom plate
Host cavity is formed between the side plate, the host cavity is to house the storage part and the analysis portion.
8. on-line chemical analysis instrument as claimed in claim 7, it is characterised in that the on-line chemical analysis instrument also includes collecting
Portion, the collection portion is fixed on the bottom plate, and the frame also includes dividing plate, and the dividing plate is fixed in the accommodating chamber, will
The accommodating chamber is separated out the first cavity and the second cavity being oppositely arranged with first cavity, and the pedestal is fixed on described
Dividing plate, first cavity is described to house to house the storage part and the analysis portion, second cavity
Collection portion.
9. on-line chemical analysis instrument as claimed in claim 8, it is characterised in that the collection portion includes the first container, described
First container is fixed on the bottom plate, and first container is connected with the outflow end of the cuvette disk, described clear to collect
Cleaning device is to the waste liquid after cuvette cleaning.
10. on-line chemical analysis instrument as claimed in claim 9, it is characterised in that the collection portion also includes and described first
The second container that container is oppositely arranged, the second container is fixed on the bottom plate, the second container and the cleaning device
Connection, to hold the cleaning fluid that the cleaning device needs.
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| CN201710283796.XA CN107144560B (en) | 2017-04-26 | 2017-04-26 | On-line chemical analyzer |
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| CN201710283796.XA CN107144560B (en) | 2017-04-26 | 2017-04-26 | On-line chemical analyzer |
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