CN209606450U - Full-automatic cyanide analysis system - Google Patents
Full-automatic cyanide analysis system Download PDFInfo
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- CN209606450U CN209606450U CN201920195720.6U CN201920195720U CN209606450U CN 209606450 U CN209606450 U CN 209606450U CN 201920195720 U CN201920195720 U CN 201920195720U CN 209606450 U CN209606450 U CN 209606450U
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Abstract
A kind of full-automatic cyanide analysis system, comprising: laboratory bench is divided into three region of distillation/absorbent assembly area in preparation, distillation/uptake zone and titration/splitting area；Mechanical arm can move on the bracket track on workbench between distillation/absorbent assembly area in preparation, distillation/uptake zone and titration/splitting area；It is provided with fixture on mechanical arm, distillation container can be clamped and absorbs container；Distillation-absorbent assembly, including distillation container and absorption container etc.；And automatic control unit, control cyanide is performed fully automatic in entire analysis system measurement and analysis.For the analysis system of the utility model under the premise of being consistent with national standard method whole process, the process that entire cyanide is measured realizes automation, achievees the purpose that improve working efficiency and data precision.
Description
Technical field
The utility model relates to experimental instrument technologies, relate more specifically to a kind of full-automatic cyanide analysis system.
Background technique
Currently, before the measuring method of cyanide has spectrophotometry and volumetric method, both methods to require distillation conduct
Treatment process titrates again after gathering distillate, or with spectrophotometric colo, continuous mode is more complicated.At present
Have the dedicated full-automatic distillation apparatus of cyanide in the market, but due to the distillation time of each sample substantially 10 to 20 minutes it
Between, the sample size of every batch of pre-treatment simultaneously is less, while manual constant volume, reagent adding, upper machine are also needed after the completion of distillation.No
A large amount of manpower is only expended, human error can be also introduced, influences the accuracy of experiment, existing automatic distillation instrument can not expire
Foot requires.
Total cyanide in professional standard " the measurement volumetric method and spectrophotometry of water quality cyanide " (HJ484-2009)
Measuring principle is that phosphoric acid and EDETATE SODIUM are added into water sample, under the conditions of pH < 2, heating distillation, using metal ion with
The EDTA complexing power feature stronger than with cryanide ion complexing power makes complex cyanide dissociate cryanide ion, and with hydrogen cyanide shape
Formula is distilled out, is absorbed with sodium hydroxide solution.The measurement of easily release cyanide is that tartaric acid and zinc nitrate are added into water sample,
Under the conditions of pH=4, heating distillation, simple cyanide and part complex cyanide are distilled out with cyaniding hydrogen form, use hydrogen-oxygen
Change sodium solution to absorb.Color developing agent is added into absorbing liquid again, carries out titration or colorimetric.Whole experiment process personnel's participation
Height, process is complicated, cumbersome, time-consuming and laborious.
Utility model content
In view of this, the main purpose of the utility model is in the premise being consistent with national standard, rower method whole process
Under, a kind of full-automatic cyanide analysis system is provided, at least be partially solved at least one of above-mentioned technical problem.
To achieve the goals above, the utility model provides a kind of full-automatic cyanide analysis system, comprising:
Laboratory bench is divided into distillation/absorbent assembly area in preparation 7, distillation/uptake zone on the table top of the laboratory bench
8 and the region of titration/splitting area 9 three, wherein distillation/absorbent assembly area in preparation 7 and distillation/uptake zone 8 include several accommodatings
It distills container 5 and absorbs the groove of container 4, and titration/splitting area 9 then includes the groove that several accommodatings absorb container 4, in which:
Photosensitive element and heating element are provided in the groove of the accommodating distillation container 5 of distillation/uptake zone 8；
It is provided with to supplement to the absorption container 4 near the groove that the accommodating of titration/splitting area 9 absorbs container 4 and react
The liquid feeding unit of reagent and the agitating unit 12 being stirred to liquid in the absorption container 4, absorb container 4 in the accommodating
Groove in be provided with allow spectrophotometer 14 issue light beam penetrate aperture, the tapping is provided with hood；
Mechanical arm 6 can prepare on the bracket track on the laboratory bench in the distillation/absorbent assembly
It is moved between area 7, distillation/uptake zone 8 and titration/splitting area 9；It is provided with fixture on the mechanical arm 6, the steaming can be clamped
It evaporates container 5 and absorbs container 4；
Distillation-absorbent assembly, including distillation container 5 and absorption container 4 and condenser pipe 2, distillate delivery line 3 and three
Three-way electromagnetic valve 1, wherein reagent needed for being contained with test fluid to be checked in distillation container 5 and distilling, absorbs in container 4 and be contained with suction
Liquid is received, condenser pipe 2 is installed on the distillation container 5, and 2 top of condenser pipe is provided with a three-way magnetic valve 1, the three-way magnetic valve
Inside 1 first connection distillation container 5, second mouthful of connection distillate delivery line 3, third mouth connects a distilled water storage container；
The other end of distillate delivery line 3 is protruded under the liquid level of the absorbing liquid in the absorption container 4；And
Automatic control unit, the distillation-absorbent assembly controlled in the automatic cyanide measurement system are successively steaming automatically
Evaporate/absorbent assembly area in preparation 7 distilled, heating and constant volume are carried out in distillation/uptake zone 8, is dripped in titration/splitting area 9
Fixed and spectral photometry.
Based on the above-mentioned technical proposal it is found that the full-automatic cyanide analysis system of the utility model has below beneficial to effect
Fruit:
(1) process tested by hand being replaced using automation equipment, whole dosage pumps and accurately measures reagent, infrared/
The accurate constant volume of weighing device is avoided due to a variety of measurement vessel bring errors, and be can be avoided during the experiment to environment
With the harm of experimenter；
(2) under the premise of being consistent with national standard method whole process, the process that entire cyanide is measured is realized automatic
Change, achievees the purpose that improve working efficiency and data precision.
Detailed description of the invention
Fig. 1 is distillation-absorptive unit structural schematic diagram of the utility model；
Fig. 2 is the schematic layout pattern of the full-automatic cyanide analysis system of the utility model；
Fig. 3 is titration/splitting area schematic layout pattern of the utility model.
In upper figure, appended drawing reference meaning is as follows:
1, three-way magnetic valve, 2, condenser pipe, 3, distillate delivery line, 4, absorption tube, 5, distilling flask, 6, mechanical arm, 7,
Distillation/absorbent assembly area in preparation, 8, distillation/uptake zone, 9, titration/splitting area, 10, distillation tank, 11, constant volume slot, 12, stirring
Device, 13, liquid feeding conduit, 14, spectrophotometer, 15, light source.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is described in further detail.
The utility model discloses a kind of automatic cyanide analysis system, which flows entirely with national standard, rower method
Journey is consistent, and the whole flow process of cyanide measurement is realized automation, improves working efficiency and data precision to reach
Purpose.
More specifically, the automatic cyanide analysis system of the utility model, comprising:
Laboratory bench is divided into distillation/absorbent assembly area in preparation, distillation/uptake zone on the table top of the laboratory bench
With the region of titration/splitting area three, wherein distillation/absorbent assembly area in preparation and distillation/uptake zone include several accommodating distillations
Container and the groove for absorbing container, and titration/splitting area then includes the groove that several accommodatings absorb container, in which:
Photosensitive element and heating element are provided in the groove that distillation/uptake zone accommodates distillation container；
It accommodates to be provided near the groove for absorbing container in titration/splitting area and supplements reaction reagent to the absorption container
Liquid feeding unit and to the agitating unit that is stirred of absorption liquid in containers, in the groove that the accommodating absorbs container
It is provided with the aperture that the light beam for allowing spectrophotometer to issue penetrates, the tapping is provided with hood；
Mechanical arm can prepare on the bracket track on the laboratory bench in the distillation/absorbent assembly
It is moved between area, distillation/uptake zone and titration/splitting area；It is provided with fixture on the mechanical arm, the distillation can be clamped and held
Device and absorption container；
Distillation-absorbent assembly, including distillation container and absorption container and condenser pipe, distillate delivery line and three are powered
Magnet valve, wherein reagent needed for being contained with test fluid to be checked in distillation container and distilling, absorbs in container and is contained with absorbing liquid, it is cold
Solidifying pipe is installed on the distillation container, and condenser pipe top is provided with a three-way magnetic valve, first mouth connection of the three-way magnetic valve
It distills inside container, second mouth is connected to distillate delivery line, and third mouth connects a distilled water storage container；Distillate export
The other end of pipe is protruded under the liquid level of the absorbing liquid in the absorption container；And
Automatic control unit, control distillation-absorbent assembly in the automatic cyanide measurement system successively automatically distillation/
Absorbent assembly area in preparation is distilled, and is carried out heating and constant volume in distillation/uptake zone, is titrated and divided in titration/splitting area
Light measurement operation.
Wherein, the condenser pipe in the distillation-absorbent assembly is carried out using cooling water or coolant liquid from cooling.
Wherein, the three-way magnetic valve of distillation container head setting can arbitrarily connection/disconnection distilled water lead to condenser pipe
Road, so as to be discharge distillate or cleaning pipeline according to process control.
Wherein, infrared/weighing volume fixing device is provided in the groove of distillation/uptake zone accommodating absorption container.
Wherein, the agitating unit in the titration/splitting area can be using the blender of adjustable revolving speed or the magnetic of power adjustable
Power blender.The agitating unit can be revolving speed be 60~180r/min, the blender of polytetrafluoroethylene (PTFE) material.
Wherein, the liquid feeding unit in the titration/splitting area for example passes through metering pump, the accurate liquid feeding of peristaltic pump.
Wherein, which sets pressure as 20bar, and maximum flow is 2 ls/h, 160 strokes/minute of maximum frequency,
It is 0.5ml that single, which goes out liquid minimum volume,.
Wherein, which uses the absorption tube of optical quartz material, and shape can be rectangular or square, internal diameter example
For example 30mm can also choose the colorimetric container of other diameters according to treating capacity.
Wherein, the liquid feeding unit in the titration/splitting area can use several liquid feeding conduits, each liquid feeding conduit pair
Answer a kind of adding liquid.Preferably, the liquid feeding conduit can use polytetrafluoroethylene (PTFE) material, catheter diameter Φ=0.5mm.
Explanation is described in detail below with reference to a specific embodiment of Fig. 1~3 pair the utility model.It needs to illustrate
It is that Fig. 1~3 are a preferred embodiment of the utility model, the utility model is not limited to this, as long as it is practical new to meet this
The concept and scope that type claim limits are included within the scope of the utility model protection.
1. distillation/absorbent assembly area in preparation 7: the distilling flask 5 for being watered sample and reagent is placed in this region, and
The absorption tube 4 of absorbing liquid is added, and distillate delivery line 3 has been placed under absorbing liquid liquid level.Because of whether total cyanide
Measurement, has still discharged the measurement of cyanide, in the step of distilling, requires that acidic materials are added, this can be discharged in water sample
Part cyanide be translated into hydrogen cyanide, and in the form of hydrogen cyanide escape.During waiting to be distilled, in order to prevent
Cyanide evolution causes harm to the human body, and the pollution to laboratory environment, and a threeway electromagnetism is arranged in 2 upper end of condenser pipe
Valve 1 achievees the purpose that connection/blocking condenser pipe access, and third root canal road is connected to distilled water, while flowmeter is arranged with accurate
Measurement flows through the amount of distilled water.2 access of condenser pipe and the access with the external world are cut off in waiting distillation process, realize sealing.
It is previously charged into cold water (or coolant liquid) inside condenser pipe 2, cooling effect is provided.In distillation process, guarantee 2 connection of condenser pipe, and
It is isolated with extraneous.After the completion of distillation, distilled water can be injected to condenser pipe 2 by three-way magnetic valve 1, to reach flushing pipe
The purpose on road.In order to facilitate whole clamping translation, it is both needed to be stepped up with clip between each glass wares.
2. heating distillation/uptake zone 8: when the available free position in heating distillation/uptake zone 8, by mechanical arm 6, will steam
Evaporate/set of device of absorbent assembly area in preparation 7 clamps to heating distillation/uptake zone 8.And it is accurately placed in distillation tank respectively
10, in constant volume slot 11.Light sensitive device is set in two slots, is automatically begun to after sensing that distilling flask 5 is put well with absorption bottle 4
Heating.Installation is infrared in constant volume slot 11/and weighing volume fixing device stops heating, makes when amount of solution is close to 100ml in absorption bottle 4
Distillate delivery line 3 is raised up on absorbing liquid liquid level with mechanical arm 6, then with distilled water flushing pipeline is quantified, it is fixed to be finally completed
Hold.
3. titration/splitting area 9: after completing constant volume, the clamping of distilling flask 5 being moved back to distillation/absorption using mechanical arm 6
The clamping of absorption bottle 4 is moved to titration/splitting area 9 using mechanical arm 6 by component area in preparation 7.It is provided with beside titration/splitting area 9
Liquid feeding module, every kind of reagent use individual root canal road 13, guarantee the accurate of liquid volume added by metering pump.In liquid feeding module
It is additionally provided with a blender 12, when starting liquid feeding, blender 12 is deep under liquid level automatically and stirs.When absorbing liquid mix,
And hood Automated shade of time of repose when reaching national standard, on titration/splitting area 9.Light splitting in titration/splitting area 9
Photometer 14 is opened, is read, i.e. light source 15 in Fig. 1 issues light beam, and the detection of spectrophotometer 14 is reached across the absorption bottle 4
Element part.After the completion, the absorption bottle 4 for completing reading is clamped using mechanical arm 6, is moved to distillation/absorbent assembly area in preparation
7。
Wherein, 7,8,9 three regions in Fig. 2 are separated with dotted line, this dotted line is only schematical, is not offered as reality
It centainly include such line in product.
The above process is the complete testing process of sample, can accomplish to simplify experimental implementation, liberate the purpose of manpower.
It should be noted that above-mentioned automatic control flow chart can be programmed according to program-controlled algorithm well known in the art, this is not this
The inventive point of utility model.
Preferably, the type selecting parameter of some equipment is as follows in the full-automatic cyanide analysis system of the utility model:
1. metering pump: pressure is set as 20bar, maximum flow is 2 ls/h per hour, 160 stroke of maximum frequency/point
Clock, it is 0.5ml that single, which goes out liquid minimum volume,.
2. absorption tube: absorption tube uses quartz material, and shape is square (facilitate light splitting), and internal diameter 30mm (passes through meter
Calculate absorbance when being converted into using 10mm cuvette).
3. blender: revolving speed 60-180r/min, polytetrafluoroethylene (PTFE) material.
4. liquid feeding conduit: liquid feeding conduit uses polytetrafluoroethylene (PTFE) material, catheter diameter Φ=0.5mm.
5. the inside and outside stainless steel material for being all made of deactivation processing of metering pump pump line.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of full-automatic cyanide analysis system characterized by comprising
Laboratory bench is divided into distillation/absorbent assembly area in preparation (7), distillation/uptake zone on the table top of the laboratory bench
(8) and the region of titration/splitting area (9) three, wherein distillation/absorbent assembly area in preparation (7) and distillation/uptake zone (8) include
Several accommodating distillations container (5) and the groove for absorbing container (4), and titration/splitting area (9) then include that several accommodatings absorb container
(4) groove, in which:
Photosensitive element and heating element are provided in the groove of accommodating distillation container (5) of distillation/uptake zone (8)；
It is provided near the groove that the accommodating of titration/splitting area (9) absorbs container (4) anti-to the absorption container (4) supplement
The agitating unit (12) answering the liquid feeding unit of reagent and being stirred to liquid in absorption container (4), inhales in the accommodating
It is provided with the aperture that the light beam for allowing spectrophotometer (14) to issue penetrates in the groove of receptacle (4), is arranged in the tapping
There is hood；
Mechanical arm (6) can be in the distillation/absorbent assembly area in preparation on the bracket track on the laboratory bench
(7), it is moved between distillation/uptake zone (8) and titration/splitting area (9)；It is provided with fixture on the mechanical arm (6), can be clamped
The distillation container (5) and absorption container (4)；
Distillation-absorbent assembly, including distillation container (5) and absorption container (4) and condenser pipe (2), distillate delivery line (3)
It is absorbed container (4) with three-way magnetic valve (1) wherein being contained with test fluid to be checked in distillation container (5) and distilling required reagent
In be contained with absorbing liquid, condenser pipe (2) is installed on the distillation container (5), and condenser pipe (2) top is provided with a three-way magnetic valve
(1), three-way magnetic valve (1) first connection distillation container (5) is internal, second mouthful of connection distillate delivery line (3), third
Mouth one distilled water storage container of connection；The absorbing liquid in absorption container (4) is protruded into the other end of distillate delivery line (3)
Under liquid level；And
Automatic control unit controls distillation-absorbent assembly in the automatic cyanide measurement system successively automatically in distillation/suction
It receives component area in preparation (7) to be distilled, carries out heating and constant volume in distillation/uptake zone (8), dripped in titration/splitting area (9)
Fixed and spectral photometry.
2. full-automatic cyanide analysis system as described in claim 1, which is characterized in that in the distillation-absorbent assembly
Condenser pipe (2) is carried out using cooling water or coolant liquid from cooling.
3. full-automatic cyanide analysis system as described in claim 1, which is characterized in that in the distillation/uptake zone (8)
Infrared/weighing volume fixing device is provided in the groove of accommodating absorption container.
4. full-automatic cyanide analysis system as described in claim 1, which is characterized in that the absorption container (4) uses light
The absorption tube of quartz material is learned, shape is square, internal diameter 30mm.
5. full-automatic cyanide analysis system as described in claim 1, which is characterized in that in the titration/splitting area (9)
Agitating unit is using the blender of adjustable revolving speed or the magnetic stirring apparatus of power adjustable.
6. full-automatic cyanide analysis system as claimed in claim 5, which is characterized in that the agitating unit is that revolving speed is 60
The blender of~180r/min, polytetrafluoroethylene (PTFE) material.
7. full-automatic cyanide analysis system as described in claim 1, which is characterized in that in the titration/splitting area (9)
Liquid feeding unit passes through the accurate liquid feeding of metering pump.
8. cyanide analysis system as claimed in claim 7 full-automatic, which is characterized in that the metering pump set pressure as
20bar, maximum flow are 2 ls/h, and maximum frequency is 160 strokes/minutes, and it is 0.5ml that single, which goes out liquid minimum volume,.
9. full-automatic cyanide analysis system as claimed in claim 7, which is characterized in that the pump line of the metering pump is inside and outside
It is all made of the stainless steel material of deactivation processing.
10. full-automatic cyanide analysis system as described in claim 1, which is characterized in that in the titration/splitting area (9)
Liquid feeding unit use several liquid feeding conduits, each liquid feeding conduit correspond to a kind of adding liquid；
The liquid feeding conduit uses polytetrafluoroethylene (PTFE) material, catheter diameter Φ=0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195720.6U CN209606450U (en) | 2019-02-13 | 2019-02-13 | Full-automatic cyanide analysis system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920195720.6U CN209606450U (en) | 2019-02-13 | 2019-02-13 | Full-automatic cyanide analysis system |
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| CN209606450U true CN209606450U (en) | 2019-11-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014388A (en) * | 2020-09-02 | 2020-12-01 | 广东电网有限责任公司电力科学研究院 | Full-automatic sulfur hexafluoride acidity detection device and method |
| CN115054933A (en) * | 2022-06-23 | 2022-09-16 | 厦门海关技术中心 | Full-automatic distillation system for detecting harmful anions in mineral products and smelting slag |
-
2019
- 2019-02-13 CN CN201920195720.6U patent/CN209606450U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014388A (en) * | 2020-09-02 | 2020-12-01 | 广东电网有限责任公司电力科学研究院 | Full-automatic sulfur hexafluoride acidity detection device and method |
| CN112014388B (en) * | 2020-09-02 | 2022-08-19 | 广东电网有限责任公司电力科学研究院 | Full-automatic sulfur hexafluoride acidity detection device and method |
| CN115054933A (en) * | 2022-06-23 | 2022-09-16 | 厦门海关技术中心 | Full-automatic distillation system for detecting harmful anions in mineral products and smelting slag |
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