CN2921830Y - Total cadmium, total lead, total zinc and total manganese on-line automatic monitoring instrument - Google Patents
Total cadmium, total lead, total zinc and total manganese on-line automatic monitoring instrument Download PDFInfo
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- CN2921830Y CN2921830Y CN 200620051095 CN200620051095U CN2921830Y CN 2921830 Y CN2921830 Y CN 2921830Y CN 200620051095 CN200620051095 CN 200620051095 CN 200620051095 U CN200620051095 U CN 200620051095U CN 2921830 Y CN2921830 Y CN 2921830Y
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Abstract
The utility model discloses an online analyzer for general cadmium, general lead, general zinc and general manganese, comprising a control mechanism, a pipeline changeover valve, an electro-thermal digestion device, an extraction detection universal device, a constant volume device and high precision liquid sampling and delivery facility; the control mechanism mainly comprises an industrial pc and a singlechip with which the local and remote communication of analyzer can be conducted, the system integration in automatic detection station for water quality is simplified. The utility model is not only applicable to the detection of general cadmium, general lead, general zinc and general manganese monitoring in surface water, but also to general cadmium, general lead, general zinc and general manganese monitoring in industrial wastewater; Meanwhile, the utility model can be used extensively to the heavy metal online detection under the other similar chemical analysis principle.
Description
Technical field:
The utility model relates to the detecting instrument of total cadmium in a kind of water body, total plumbous, total zinc, total manganese, refers in particular to a kind of in-line analyzer of monitoring total cadmium in the water body, total plumbous, total zinc, total manganese.
Background technology:
Cadmium, lead, zinc, manganese belong to heavy metal, strong interaction takes place in energy and protein and various enzyme in human body, they are lost activity, also may in some organ of human body, accumulate, if surpass the tolerant limit of human body, can cause harm such as human body acute poisoning, subacute poisoning, slow poisoning.According to country " seven big water systems ", " three lakes ", " project of South-to-North water diversion " and 47 environmental protection key cities centralized potable water seedbed water quality monitoring results are shown: the water quality situation allows of no optimist, water pollution is on the rise, and particularly heavy metal pollution is serious.China is subjected to the soil area of heavy metal pollution to reach 2,000 ten thousand hectares, account for 1/6 of total area under cultivation, nearly 7,000,000 hectares of the farmland of polluting because of industry " three wastes ", make 10,000,000,000 kilograms of the annual underproduction of grain, there is data to show, there is 50% pollution of ploughing toxic heavy metals such as suffering cadmium, arsenic, mercury and petroleum-type in the city that the South China has, and the city that Yangtze River Delta Region has farmland is in flakes polluted by various heavy such as cadmium, lead, arsenic, copper, zinc, causes 10% soil to lose yield-power substantially.Explicit order requirement various places environmental administration of State Environmental Protection Administration fully realizes the importance of Environmental security work, environmental enhancement supervision.
The summation of the complex ion of cadmium, lead, zinc, manganese ion and the cadmium that dissociates in the water body, lead, zinc, manganese is called total cadmium, total plumbous, total zinc, total manganese.Instrument analytical method about cadmium, lead, zinc, manganese in surface water and the industrial waste water has a lot, the main inductive coupling plasma emission spectrograph that adopts, inductive coupling plasma emission spectrograph-mass spectrometer coupling, polarographic analyze, atomic absorption instrument is assisted manual the analysis, then compares difficulty but these instruments are used for the on-the-spot on-line monitoring of cadmium, lead, zinc, manganese.And in cadmium, total monitoring plumbous, always zinc, total manganese always, its water sample pretreatment operation need be carried out preceding the clearing up of sample analysis, so program is more loaded down with trivial details.
The at present domestic online analytical instrument that does not occur being used for surface water and the total cadmium of pollution source, total plumbous, total zinc, total manganese monitoring is as yet particularly realized the on-line monitoring of total cadmium, total plumbous, total zinc, total manganese simultaneously on an instrument.Publication number is CN 89103075.1 Chinese patent application discloses in a kind of definite solution as the continuous electrochemical analyzer of positive ion densities such as cadmium, lead, copper, antimony, and it comprises one by partition wall element divided into two parts and a device that is used to amplify the signal relevant with density measure with detection.There are glassy carbon solid working electrode, reference electrode and counter electrode in the first of this element, one side the same entrance and exit that cationic solution is arranged of another part, a U-shaped pipe extends out from these two mouths, and extends through partition wall.Its core component is an ion-selective electrode, it only can measure cadmium, lead, copper, antimony plasma, can not be applicable to the mensuration of total cadmium, total plumbous, total zinc, total manganese, and the water quality requirement of electrode pair water sample is higher, the electrode replacement cost is expensive again, and in addition, electrode is subject to the interference of other ion in the water, the poor stability of measuring, so it does not meet the requirement of on-line monitoring.
Summary of the invention
Technical problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, and a kind of total cadmium that is applicable to on-line monitoring of stable performance, total plumbous, total zinc, total manganese on-line automatic analyzer are provided.
The solution that the utility model solves the problems of the technologies described above is: comprise control gear, pipeline transfer valve 6, pipeline transfer valve 38, electric heating digestion instrument 2, extraction detects fexible unit 64, volume fixing device 34 and high-precision liquid sampling sample feeding mechanism 33, described high-precision liquid sampling sample feeding mechanism 33 links to each other with two-bit triplet solenoid valve 30 through threeway 32, two-bit triplet solenoid valve 30 links to each other with the upper port of volume fixing device 34, the lower port of volume fixing device 34 links to each other with pipeline transfer valve 38, pipeline transfer valve 38 detects general pool 26 through solenoid valve 25 and extraction and links to each other, pipeline transfer valve 38 links to each other with pipeline transfer valve 6 by the road, pipeline transfer valve 6 links to each other with electric heating digestion instrument 2 lower port through solenoid valve 3, electric heating digestion instrument 2 upper end open connect normally closed solenoid valve 1, pipeline transfer valve 6, each interface of the inside of pipeline transfer valve 38 is interconnected, and the left and right sides and following end interface are communicated with the classes of agents container respectively.
In the online analytical instrument of above-mentioned total cadmium, total plumbous, total zinc, total manganese, also comprise volume fixing device 28, the upper port of volume fixing device 28 links to each other with two-bit triplet solenoid valve 30, and the lower port of volume fixing device 28 detects general pool 26 through solenoid valve 27 and extraction and links to each other.
In above-mentioned total cadmium, total plumbous, total zinc, the total manganese in-line analyzer, described volume fixing device 34 is made up of constant volume tube 60, fixed head 61, guide rod 62, at least one slide block 63 and infrared tube 35, the both sides of constant volume tube 60 are provided with guide rod 62, guide rod 62 is fixing by fixed head 61, slide block 63 is installed on the guide rod 62, and the two ends of slide block 63 are provided with and infrared tube slide block 35.
Compare with existing on-line monitoring technique, the invention has the advantages that:
1, the utility model is used for the content of the total cadmium of on-line monitoring water body, total plumbous, total zinc, total manganese, and it has simplified the pretreatment operation program of water sample, the automaticity height, for the on-line monitoring of heavy metal in the water body provides may.Simultaneously, on an instrument, can realize the measurement of various heavy.
2, extraction detects general pool described in the utility model, adopts the stirring apparatus of linear electric motors as reaction liquid, has not only improved extraction efficiency, has realized the integrated of extraction equipment and pick-up unit simultaneously.
3, the utility model has realized analyzing back waste liquid categorised collection, helps to reclaim reagent, saves analysis cost.
4, the utility model is changed reagent by changing flow process, can carry out the on-line monitoring of multiple pollution factor on an instrument.
Following structure the drawings and specific embodiments are further described the utility model.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of pipeline transfer valve among the utility model embodiment.
Fig. 3 is the structural representation of extraction equipment among the utility model embodiment.
Fig. 4 is the structural representation of volume fixing device among the utility model embodiment.
Embodiment
Among the utility model embodiment as shown in Figure 1, comprise that mainly pipeline transfer valve 6, pipeline transfer valve 38, electric heating digestion instrument 2, extraction detect fexible unit 64, volume fixing device 34 and high-precision liquid sampling sample feeding mechanism 33, wherein the position, hole on the pipeline transfer valve 6 is respectively by joint and connecting leg connecting pipeline transfer valve 38, normally closed solenoid valve 3, detergent container 8, distilled water container 9, potassium cyanide container 10, reagent container 11, stabilizing agent container 12, anti-interference agent container 13, and other positions, hole connect dead stifled 5.Position, hole on the pipeline transfer valve 38 is communicated with normally closed solenoid valve 25, volume fixing device 34, pipeline transfer valve 6, extractant container 14, potassium cyanide container (15), reinforcing agent container 16, screening agent container 17, buffer container 18, digestion solution container 19, sample cell 20 by joint and connecting leg respectively.Electric heating digestion instrument 2 upper end open connect normally closed solenoid valve 1 with blowing air, following termination normally closed solenoid valve 3.Extraction detects general pool 26 lower ends and two side bottoms have an interface respectively, the left side interface is communicated with volume fixing device 28 by normally closed solenoid valve 27, following end interface is communicated with normally closed solenoid valve 24, two-bit triplet solenoid valve 22 successively by connecting leg, logical respectively waste liquid one container 21 of the Chang Kaiduan of two-bit triplet solenoid valve 22 and normal-closed end, waste liquid two containers 23, the right side interface communicates with normally closed solenoid valve 25.Normal-closed end and normal beginning, its common port that volume fixing device 34,28 upper ends are communicated with two-bit triplet solenoid valve 30 respectively are communicated with threeway 32, high-precision liquid sampling sample feeding mechanism 33 successively.Threeway 32 other ends are by normally closed solenoid valve 31 and air communication.
Fig. 2 is the structural representation of pipeline transfer valve among the utility model embodiment, and 41-47 is the gauge tap of each port in the pipeline transfer valve 6 among the figure, and 5 is dead stifled, and 7 is joint.48-54 is the gauge tap of each port in the pipeline transfer valve 38.Described volume fixing device 34,28 both sides are connected to infrared tube 29,35,36,37, and by measure what from top to bottom are arranged in order.Can be according to the kind of reagent, consumption increases and decreases infrared tube, and moves up and down to regulate the constant volume capacity by slide block 63.
Referring to Fig. 3, extraction detects fexible unit 64 and comprises that extraction detects general pool 26, stirring rod 39 and linear electric motors 40.The both sides that extraction detects general pool 26 are respectively equipped with incident optical 56 and outgoing optical fiber 57, incident optical 56 ports are provided with monochromatic source 58, outgoing optical fiber 57 ports are provided with light activated element 59, extraction detects general pool 26 lower ends and two side bottoms respectively have an interface, and its two side interface links to each other with normally closed solenoid valve 25,27 respectively by connecting leg.Following end interface is communicated with the common port of normally closed solenoid valve 24 and two-bit triplet solenoid valve 22 successively by connecting leg, the normal-closed end of two-bit triplet solenoid valve 22 and normal beginning are led to waste liquid one container 21 and waste liquid 2 23 containers respectively, extraction detects general reaction tank upper end linear electric motors 40 is installed, linear electric motors are connected with stirring rod 39 by pitman 55, and the end of stirring rod 39 is a spirality.Linear electric motors 40 drive stirring rod 39 rotations and move up and down.Monochromatic source 58 enters in the pond through the outer wall that incident optical 56 is transmitted to extraction detection general pool 26, gives light activated element 59 by 57 conduction of outgoing optical fiber after sample liquid absorbs, and light activated element 59 output detection signals are to control gear.
Fig. 4 is the structural representation of volume fixing device among the utility model embodiment.Volume fixing device 34 comprises constant volume tube 60, fixed head 61, guide rod 62, three piece slide blocks 63 and infrared tubes 35,36,37, the both sides of constant volume tube 60 are provided with guide rod 62, guide rod 62 is fixing by fixed head 61, and slide block 63 is installed on the guide rod 62, and the two ends of slide block 63 are provided with and infrared tube slide block 35.
High-precision liquid sampling sample feeding mechanism 33 of the present utility model adopts the disclosed structure of ZL00225670.3 patent.
The utility model control gear mainly comprises industrial computer, single-chip microcomputer, and industrial computer mainly is that the control, the Monitoring Data that realize external unit are handled and remote transmission; Single-chip microcomputer mainly is the control that realizes the test chemical flow process, and carries out exchanges data with industrial computer; After industrial computer and control of instrument flow process and data acquisition module communication, finish the chemical process of design by instrument process control module pilot piping transfer valve, high-precision liquid sampling sample feeding mechanism, infrared tube, electric heating digestion instrument, normally closed solenoid valve, two-bit triplet solenoid valve, corresponding must calculating finished by data acquisition module in the back, and whole process is finished automatically by instrument.
The course of work of testing total cadmium is divided following step:
1. digestion process
Gauge tap 53 opens → and high-precision liquid sampling sample feeding mechanism draw samples goes into volume fixing device 34 → gauge tap 53 and closes, normally closed solenoid valve 1,3 open, push away sample by high-precision liquid sampling sample feeding mechanism and go into electric heating digestion instrument → normally closed solenoid valve 1,3 close, gauge tap 52 opens → and high-precision liquid sampling sample feeding mechanism extracts digestion solution and goes into volume fixing device 34 → gauge tap 52 and close, normally closed solenoid valve 1,3 open, high-precision liquid sampling sample feeding mechanism pushes away digestion solution and goes into after electric heating digestion instrument → startup electric heating digestion instrument clears up sample → clear up and finish, normally closed solenoid valve 1,3 open, extract by high-precision liquid sampling sample feeding mechanism and to clear up the back sample and go into volume fixing device 34 → normally closed solenoid valve 25 and open, normally closed solenoid valve 1,3 close, and are pushed away by high-precision liquid sampling sample feeding mechanism and clear up the back sample and go into extraction and detect fexible unit.
2. the extraction, process color
Normally closed solenoid valve 25 closes, gauge tap 51 is opened, extract damping fluid by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 51 passes, normally closed solenoid valve 25 is opened, push away damping fluid by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 50 is opened, extract screening agent by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 50 passes, normally closed solenoid valve 25 is opened, push away screening agent by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 49 is opened, extract reinforcing agent by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 49 passes, normally closed solenoid valve 25 is opened, push away reinforcing agent by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 48 is opened, going into volume fixing device 34 → gauge tap 48 by the potassium cyanide of high-precision liquid sampling sample feeding mechanism extraction 1% closes, normally closed solenoid valve 25 is opened, pushing away 1% potassium cyanide by high-precision liquid sampling sample feeding mechanism goes into extraction and detects fexible unit → normally closed solenoid valve 25 and close, gauge tap 47 is opened, extract extractant by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 47 passes, normally closed solenoid valve 25 is opened, push away extractant by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, starting linear electric motors 40 certain hours → standing demix certain hour → normally closed solenoid valve 27 opens, two-bit triplet solenoid valve 30 is opened, go into volume fixing device 28 → normally closed solenoid valve 27 by lower floor's liquid behind the high-precision liquid sampling sample feeding mechanism extraction quantified extract, two-bit triplet solenoid valve 30 closes, normally closed solenoid valve 24 two-bit triplet solenoid valves 22 were opened several minutes, going into waste liquid one container 21 → normally closed solenoid valve 24 with liquid in the emptying extraction detection fexible unit closes, gauge tap 46 is opened, extract anti-interference agent by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 46 passes, normally closed solenoid valve 25 is opened, push away anti-interference agent by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, normally closed solenoid valve 27 is opened, two-bit triplet solenoid valve 30 is opened, infer capacitance device 28 interior liquid by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 27 passes, two-bit triplet solenoid valve 30 closes, starting linear electric motors 40 certain hours → standing demix certain hour → normally closed solenoid valve 25 opens, going into volume fixing device 34 → normally closed solenoid valve 25 by lower floor's liquid after the high-precision liquid sampling sample feeding mechanism extraction layering closes, gauge tap 54 is opened, infer capacitance device 34 interior liquid by high-precision liquid sampling sample feeding mechanism and go into waste liquid one container 21 → gauge tap 54 passes, gauge tap 45 is opened, extract stabilizing agent by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 45 passes, normally closed solenoid valve 25 is opened, push away stabilizing agent by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 44 is opened, extract developer by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 44 passes, normally closed solenoid valve 25 is opened, push away developer by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 44 is opened, going into volume fixing device 34 → gauge tap 44 by the potassium cyanide of high-precision liquid sampling sample feeding mechanism extraction 0.05% closes, normally closed solenoid valve 25 is opened, and pushes away 0.05% potassium cyanide by high-precision liquid sampling sample feeding mechanism and goes into extraction and detect fexible unit
3. detect, cleaning process
Normally closed solenoid valve 25 closes, start linear electric motors 40 certain hours → standing demix certain hour, record lower floor's liquid light intensity by detection part, read sample value → normally closed solenoid valve 24, two-bit triplet solenoid valve 22 was opened several minutes, go into waste liquid one container 21 → normally closed solenoid valve 24 with liquid in the emptying extraction detection fexible unit, two-bit triplet solenoid valve 22 closes, gauge tap 42 is opened, extract distilled water by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 42 passes, normally closed solenoid valve 25 is opened, push away distilled water by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, record the distilled water light intensity by detection part, read baseline value, and baseline value and sample value result are sent to industrial computer handle and obtain sample absorbance → normally closed solenoid valve 24 and opened several minutes, going into waste liquid two containers 23 → normally closed solenoid valve 24 with distilled water in the emptying extraction detection fexible unit closes, gauge tap 41 is opened, extract cleaning fluid by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 41 passes, normally closed solenoid valve 25 is opened, push away cleaning fluid by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, start linear electric motors 40 certain hours will extract the detection fexible unit clean up → normally closed solenoid valve 24 opened several minutes, go into waste liquid two containers 23 with distilled water in the emptying extraction detection fexible unit, finish the overall process of one-shot measurement to this.
The course of work of testing total lead, total zinc and to survey total cadmium similar, the key distinction is to use the reagent difference.When testing total is plumbous, digestion solution, damping fluid, screening agent, reinforcing agent, 1% potassium cyanide, extractant in total cadion are replaced by sounding lead digestion solution, neutralizer, extractant, back washing agent, reducing solution, developer successively, and remove anti-interference agent, stabilizing agent, developer, and joint is changed into dead stifled in pipeline transfer valve 34 corresponding hole site.When testing total zinc, digestion solution, damping fluid, screening agent, reinforcing agent, 1% potassium cyanide in total cadion are replaced by survey zinc digestion solution, neutralizer, screening agent, damping fluid, developer successively; And remove extractant, anti-interference agent, stabilizing agent, developer, joint is changed into dead stifled in pipeline transfer valve 34 corresponding hole site simultaneously.
The course of work of testing total lead is divided following step:
1. digestion process
Identical with " 1. digestion process " in the test process of total cadmium.
2. the extraction, process color
Normally closed solenoid valve 25 closes, gauge tap 51 is opened, extract neutralizer by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 51 passes, normally closed solenoid valve 25 is opened, push away neutralizer by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 50 is opened, extract extractant by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 50 passes, normally closed solenoid valve 25 is opened, push away extractant by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit 26 → normally closed solenoid valve 25 passes, starting linear electric motors 40 certain hours → standing demix a period of time → normally closed solenoid valve 25 opens, extracting after the quantitative layering lower floor's liquid by high-precision liquid sampling sample feeding mechanism goes into volume fixing device 34 → normally closed solenoid valve 25 and closes, gauge tap 54 is opened, infer capacitance device 34 interior liquid by high-precision liquid sampling sample feeding mechanism and go into waste liquid one container 21 → gauge tap 54 passes, gauge tap 49 is opened, extract back washing agent by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 49 passes, normally closed solenoid valve 25 is opened, push away back washing agent by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, starting linear electric motors 40 certain hours → standing demix a period of time → normally closed solenoid valve 25 opens, extracting after the quantitative layering lower floor's liquid by high-precision liquid sampling sample feeding mechanism goes into volume fixing device 34 → normally closed solenoid valve 25 and closes, gauge tap 54 is opened, infer capacitance device 34 interior liquid by high-precision liquid sampling sample feeding mechanism and go into waste liquid one container 21 → gauge tap 54 passes, gauge tap 48 is opened, extract digestion solution by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 48 passes, normally closed solenoid valve 25 is opened, push away digestion solution by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 47 is opened, extract reducing solution by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 47 passes, normally closed solenoid valve 25 is opened, push away reducing solution by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 46 is opened, extract developer by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 46 passes, normally closed solenoid valve 25 is opened, and pushes away developer by high-precision liquid sampling sample feeding mechanism and goes into extraction detection fexible unit.
3. detect, cleaning process
Identical with " 3. detect, cleaning process " in the test process of total cadmium.
The course of work of testing total zinc is divided following step:
1. digestion process
Identical with " 1. digestion process " in the test process of total cadmium.
2. the extraction, process color
Normally closed solenoid valve 25 closes, gauge tap 51 is opened, extract neutralizer by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 51 passes, normally closed solenoid valve 25 is opened, push away neutralizer by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 50 is opened, extract screening agent by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 50 passes, normally closed solenoid valve 25 is opened, push away screening agent by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 49 is opened, extract damping fluid by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 49 passes, normally closed solenoid valve 25 is opened, push away damping fluid by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 48 is opened, extract developer by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 48 passes, normally closed solenoid valve 25 is opened, and pushes away developer by high-precision liquid sampling sample feeding mechanism and goes into extraction detection fexible unit.
3. detect, cleaning process
Identical with " 3. detect, cleaning process " in the test process of total cadmium.
The course of work of testing total manganese is divided following step:
1. digestion process
Identical with " 1. digestion process " in the test process of total cadmium.
2. process color
Normally closed solenoid valve 25 closes, gauge tap 51 is opened, extract neutralizer by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 51 passes, normally closed solenoid valve 25 is opened, push away neutralizer by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 50 is opened, extract damping fluid by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 50 passes, normally closed solenoid valve 25 is opened, push away damping fluid by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit 26 → normally closed solenoid valve 25 passes, gauge tap 49 is opened, extract developer by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 49 passes, normally closed solenoid valve 25 is opened, push away developer by high-precision liquid sampling sample feeding mechanism and go into extraction detection fexible unit → normally closed solenoid valve 25 passes, gauge tap 48 is opened, extract digestion solution by high-precision liquid sampling sample feeding mechanism and go into volume fixing device 34 → gauge tap 48 passes, normally closed solenoid valve 25 is opened, and pushes away digestion solution by high-precision liquid sampling sample feeding mechanism and goes into extraction detection fexible unit
3. detect, cleaning process
Identical with " 3. detect, cleaning process " in the test process of total cadmium.
Claims (7)
1, a kind of total cadmium, total plumbous, total zinc, total manganese in-line analyzer, comprise control gear, pipeline transfer valve (6), pipeline transfer valve (38), electric heating digestion instrument (2), extraction detects general pool (26), volume fixing device (34) and high-precision liquid sampling sample feeding mechanism (33), it is characterized in that: high-precision liquid sampling sample feeding mechanism (33) is by threeway (32), two-bit triplet solenoid valve (30) links to each other with the upper port of volume fixing device (34), the lower port of volume fixing device (34) links to each other with pipeline transfer valve (38), pipeline transfer valve (38) links to each other with pipeline transfer valve (6) by the road, pipeline transfer valve (38) detects general pool (26) through solenoid valve (25) and extraction and links to each other, pipeline transfer valve (6) links to each other with electric heating digestion instrument (2) lower port through solenoid valve (3), electric heating digestion instrument (2) upper end open connects normally closed solenoid valve (1), pipeline transfer valve (6), pipeline transfer valve (38) left and right sides and following end interface are communicated with the classes of agents container respectively.
2, total cadmium according to claim 1, total plumbous, total zinc, total manganese in-line analyzer, it is characterized in that: the upper end that extraction detects general pool (26) is provided with linear electric motors (40), and the stirring rod (39) in linear electric motors (40) pass through pitman (55) and extraction detects general pool (26) is connected.
3, total cadmium according to claim 2, total plumbous, total zinc, total manganese in-line analyzer, it is characterized in that: the end of described stirring rod (39) is a spirality.
4, total cadmium according to claim 1, total plumbous, total zinc, total manganese in-line analyzer, it is characterized in that: also comprise volume fixing device (28), the upper port of volume fixing device (28) links to each other with two-bit triplet solenoid valve (30), and the lower port of volume fixing device (28) detects general pool (26) through solenoid valve (27) and extraction and links to each other.
5, total cadmium according to claim 1, total plumbous, total zinc, total manganese in-line analyzer, it is characterized in that: described volume fixing device (34) is made up of constant volume tube (60), fixed head (61), guide rod (62), at least one slide block (63) and infrared tube (35), the both sides of constant volume tube (60) are provided with guide rod (62), guide rod (62) is fixing by fixed head (61), slide block (63) is installed on the guide rod (62), and the two ends of slide block (63) are provided with and infrared tube (35).
6, total cadmium according to claim 1, total plumbous, total zinc, total manganese in-line analyzer, it is characterized in that: also comprise two-bit triplet solenoid valve (22), the Chang Kaiduan of two-bit triplet solenoid valve (22) links to each other with waste liquid one container (21), waste liquid two containers (23) respectively with normal-closed end, and the 3rd end detects general pool (26) through solenoid valve (24) and extraction.
7, total cadmium according to claim 1, total plumbous, total zinc, total manganese in-line analyzer, it is characterized in that: described pipeline transfer valve (6) links to each other with detergent container (8), distilled water container (9), potassium cyanide container (10), reagent container (11), stabilizing agent container (12), anti-interference agent container (13) respectively, and pipeline transfer valve (38) also links to each other with extractant container (14), potassium cyanide container (15), reinforcing agent container (16), screening agent container (17), buffer container (18), digestion solution container (19), sample cell (20) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620051095 CN2921830Y (en) | 2006-05-24 | 2006-05-24 | Total cadmium, total lead, total zinc and total manganese on-line automatic monitoring instrument |
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| CN 200620051095 CN2921830Y (en) | 2006-05-24 | 2006-05-24 | Total cadmium, total lead, total zinc and total manganese on-line automatic monitoring instrument |
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| CN2921830Y true CN2921830Y (en) | 2007-07-11 |
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| CN101907599A (en) * | 2010-07-21 | 2010-12-08 | 宇星科技发展(深圳)有限公司 | All-in-one heavy metal online analyzer |
| CN103487391A (en) * | 2013-09-18 | 2014-01-01 | 深圳市绿恩环保技术有限公司 | Testing method for lead content in water body |
| CN103645140A (en) * | 2013-12-30 | 2014-03-19 | 北京雪迪龙科技股份有限公司 | Water quality monitoring system and method |
| CN103983586A (en) * | 2014-06-06 | 2014-08-13 | 力合科技（湖南）股份有限公司 | Water quality testing meter |
| CN104133073A (en) * | 2014-08-07 | 2014-11-05 | 力合科技（湖南）股份有限公司 | Intelligent multi-channel analyzer |
| CN104535521A (en) * | 2015-02-02 | 2015-04-22 | 四川清和科技有限公司 | Online total manganese analyzer |
| CN106198625A (en) * | 2016-06-02 | 2016-12-07 | 东北电力大学 | One heavy metal species on-line monitoring system device in situ |
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| CN104535521A (en) * | 2015-02-02 | 2015-04-22 | 四川清和科技有限公司 | Online total manganese analyzer |
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| CN106198625A (en) * | 2016-06-02 | 2016-12-07 | 东北电力大学 | One heavy metal species on-line monitoring system device in situ |
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| CN113567367B (en) * | 2021-07-07 | 2024-04-02 | 合肥供水集团有限公司 | Method for rapidly detecting manganese content in water |
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