CN209372774U - A kind of pipeline reversing service for morphological analysis - Google Patents
A kind of pipeline reversing service for morphological analysis Download PDFInfo
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- CN209372774U CN209372774U CN201822149646.2U CN201822149646U CN209372774U CN 209372774 U CN209372774 U CN 209372774U CN 201822149646 U CN201822149646 U CN 201822149646U CN 209372774 U CN209372774 U CN 209372774U
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- solenoid valve
- inlet union
- outlet connection
- pipeline
- connection
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Abstract
The utility model provides a kind of pipeline reversing service for morphological analysis, belongs to liquid chromatogram atomic fluorescence combination Instrument technology field.The pipeline switching construction that it solves existing combination instrument is complicated, switching is inconvenient, is easy to the technical problems such as polluting in pipeline.The inlet union of the peristaltic pump of this pipeline reversing service is connected to fluid reservoir, three-way connection is connected to the inlet union of liquid phase unit, the outlet connection of peristaltic pump and the first solenoid valve respectively, the outlet connection of second solenoid valve occurs module with hydride and is connected to, the outlet connection A of first solenoid valve and the inlet union B of second solenoid valve are connected to ultraviolet digestion unit, and the outlet connection B of the first solenoid valve is connected to the inlet union A of second solenoid valve.The utility model realizes that pipeline automatically switches by the setting of the first solenoid valve and second solenoid valve, and operation is more convenient, and contacts entire channel interior not with the external world, and outer bound pair channel interior is avoided to pollute.
Description
Technical field
The utility model belongs to liquid chromatogram atomic fluorescence combination Instrument technology field, refers in particular to a kind of for morphological analysis
Pipeline reversing service.
Background technique
The different shape of identity element has different physicochemical properties and bioactivity, for certain elements, only
Solution total amount be it is inadequate, while understanding total amount, the form for preferring to understand certain element is formed for we.LC-AFS is in recent years
A kind of joint technology that fast development is got up.It is widely used in the form of the elements such as biology and Arsenic for Environmental Samples, selenium, mercury, antimony
Analysis.
Currently, existing same type liquid chromatogram atomic fluorescence combined analytical instrument mostly uses greatly a set of chemical evapn in the market
React system, needs to realize element macroanalysis, Degradation Models analysis, the analysis of non-Degradation Models under a set of reaction system
Three kinds of analytical models are unavoidably needed to be attached liquid line, be replaced, very inconvenient, meanwhile, also bring puzzlement atom
The pollution problem that fluorescence does not solve at all yet so far;And the equipment to be reacted using two sets of steams is also mostly by very complicated
Piping connection and switching, or artificial manual connecting line.
Summary of the invention
The purpose of the utility model is to provide a kind of switchings of pipeline to be more convenient, can prevent the pipeline reversing service of pollution.
Purpose of the utility model is realized as follows:
A kind of pipeline reversing service for morphological analysis, it is characterised in that: including the liquid phase unit for sample introduction, storage
Fluid reservoir, peristaltic pump, three-way connection, the first solenoid valve, second solenoid valve, ultraviolet digestion unit and the hydride of liquid is assisted to occur
The inlet union of module, the peristaltic pump is connected to fluid reservoir, the three-way connection outlet with liquid phase unit, peristaltic pump respectively
The connection of the inlet union of connector and the first solenoid valve, the outlet connection and hydride of the second solenoid valve occur module and connect
Logical, the outlet connection A of first solenoid valve and the inlet union B of second solenoid valve are connected to ultraviolet digestion unit, described
The outlet connection B of first solenoid valve is connected to the inlet union A of second solenoid valve.Above-mentioned liquid phase unit includes sequentially connected liquid
Mutually pump, sampling device and chromatographic column, the outlet of chromatographic column are connect with three-way connection, and it includes current-carrying that module, which occurs, for above-mentioned hydride
Bottle, reducer bottle, level-one gas-liquid separator and second level gas-liquid separator, above-mentioned first solenoid valve are One In and Two Out solenoid valve, packet
Containing inlet union, outlet connection A, outlet connection B, second solenoid valve is Two In and One Out solenoid valve solenoid valve, comprising outlet connection,
Inlet union A, inlet union B;Flow path system in this pipeline reversing service, as power device, realizes feed liquor by peristaltic pump
And waste discharge.
In a kind of above-mentioned pipeline reversing service for morphological analysis, it includes five connecting that module, which occurs, for the hydride
Five connectors of head, the five-way joint are separately connected carrier fluid, reducing agent, carrier gas, form sample and gas-liquid separating pipe.
In a kind of above-mentioned pipeline reversing service for morphological analysis, including simultaneously with the first solenoid valve and the second electromagnetism
The controller of valve electrical connection, the controller can control the inlet union of the first solenoid valve and outlet connection A or outlet connect
The outlet connection of head B connection and control second solenoid valve is connected to inlet union A or inlet union B.
A method of the pipeline reversing service for morphological analysis, characterized by the following steps:
A, three kinds of analytical models, including element macroanalysis, Degradation Models point model selection: have been preset in the controller
Analysis and the analysis of non-Degradation Models, user select one of analytical model as needed;
B, electromagnetism Vavle switching: the controller sends corresponding control signal to the first electromagnetism according to the analytical model of selection
Valve and second solenoid valve, when selecting element macroanalysis, controller controls the inlet union and outlet connection A of the first solenoid valve
Connection, the inlet union A for controlling second solenoid valve are connected to outlet connection;When selecting Degradation Models analysis, controller control
The inlet union B that the inlet union of first solenoid valve was connected to outlet connection A, controlled second solenoid valve is connected to outlet connection,
Auxiliary liquid in fluid reservoir and the sample from the entrance of liquid phase unit enter ultraviolet together after three-way connection and the first solenoid valve
Line is cleared up in unit, and the modality conversion of sample is promoted;When selecting the analysis of non-Degradation Models, controller controls the first solenoid valve
The inlet union A that inlet union was connected to outlet connection B, controlled second solenoid valve is connected to outlet connection, auxiliary in fluid reservoir
It helps liquid and successively passes through three-way connection, the first solenoid valve and second solenoid valve from the sample that liquid phase unit enters and enter hydrogenation together
Module occurs for object, accelerates the appearance speed of sample, improves sample peak shape.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1, the utility model realizes element macroanalysis, Degradation Models by the setting of the first solenoid valve and second solenoid valve
The pipeline that three kinds of analytical models are analyzed in analysis, non-Degradation Models automatically switches, and simplifies the structure of pipeline switching, operates more square
Just, without being replaced manually to pipeline.
2, the utility model locates all pipeline handoff procedures by the setting of the first solenoid valve and second solenoid valve
In in closed environment, entire channel interior is not contacted with the external world, is caused in outer bound pair pipeline when can be avoided pipeline switching
Pollution, influences experimental result, so as to improve test data accuracy, the problems such as reducing damage of the maloperation to instrument.
Detailed description of the invention
Fig. 1 is the pipeline reversing service structural schematic diagram of the utility model.
Fig. 2 is the element macroanalysis pipeline structure schematic diagram of the utility model.
Fig. 3 is the Degradation Models analysis of pipeline structural schematic diagram of the utility model.
Fig. 4 is the non-Degradation Models analysis of pipeline structural schematic diagram of the utility model.
In figure, 1, liquid phase unit;2, fluid reservoir;3, peristaltic pump;4, three-way connection;5, the first solenoid valve;6, the second electromagnetism
Valve;7, ultraviolet digestion unit;8, module occurs for hydride.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-4:
This includes the liquid storage that liquid is assisted for the liquid phase unit 1 of sample introduction, storage for the pipeline reversing service of morphological analysis
Module 8 occurs for tank 2, peristaltic pump 3, three-way connection 4, the first solenoid valve 5, second solenoid valve 6, ultraviolet digestion unit 7 and hydride,
The liquid phase unit 1 includes sequentially connected liquid phase pump, sampling device and chromatographic column, the inlet union and liquid storage of the peristaltic pump 3
Tank 2 is connected to, the three-way connection 4 respectively with the outlet of chromatographic column, the outlet connection of peristaltic pump 3 and the first solenoid valve 5 into
Mouth fittings, the outlet connection of the second solenoid valve 6 occur module 8 with hydride and are connected to, and first solenoid valve 5 goes out
Mouth connector A and the inlet union B of second solenoid valve 6 are connected to ultraviolet digestion unit 7, and the outlet of first solenoid valve 5 connects
Head B is connected to the inlet union A of second solenoid valve 6;First solenoid valve 5 and second solenoid valve 6 are electrically connected with the controller,
The controller can control the inlet union of the first solenoid valve 5 and outlet connection A or outlet connection B are connected to and control
The outlet connection of two solenoid valves 6 is connected to inlet union A or inlet union B.Wherein the first solenoid valve 5 is One In and Two Out electromagnetism
Valve includes inlet union, outlet connection A, outlet connection B, and second solenoid valve 6 is Two In and One Out solenoid valve solenoid valve, comprising going out
Mouth connector, inlet union A, inlet union B;Flow path system in this pipeline reversing service is used as power device by peristaltic pump 3,
Realize feed liquor and waste discharge.
Further, it includes current-carrying bottle, reducer bottle, level-one gas-liquid separator, second level gas that module 8, which occurs, for the hydride
Liquid/gas separator and five-way joint, five connectors of the five-way joint be separately connected carrier fluid, reducing agent, carrier gas, form sample and
Gas-liquid separation pipe.
This method for being used for the pipeline reversing service of morphological analysis includes the following steps:
A, three kinds of analytical models, including element macroanalysis, Degradation Models point model selection: have been preset in the controller
Analysis and the analysis of non-Degradation Models, user select one of analytical model as needed;
B, electromagnetism Vavle switching: the controller sends corresponding control signal to the first electromagnetism according to the analytical model of selection
Valve 5 and second solenoid valve 6;
When selecting element macroanalysis, as shown in Fig. 2, controller controls the inlet union and outlet of the first solenoid valve 5
Connector A connection, the inlet union A for controlling second solenoid valve 6 are connected to outlet connection;A whole set of pipe-line system is sent out only with hydride
Module 8 is given birth to realize element macroanalysis;
When selecting Degradation Models analysis, as shown in figure 3, controller controls the inlet union and outlet of the first solenoid valve 5
Connector A connection, the inlet union B for controlling second solenoid valve 6 are connected to outlet connection, and sample passes through 1 sample introduction of liquid phase unit and separates
Successively enter ultraviolet light together after three-way connection 4 and the first solenoid valve 5 with the auxiliary liquid in fluid reservoir 2 afterwards and clears up unit
It is interior, promote the modality conversion of sample, then flows into hydride again and module 8 occurs;
When selecting the analysis of non-Degradation Models, as shown in figure 4, controller controls the inlet union of the first solenoid valve 5 and goes out
Mouth connector B connection, the inlet union A for controlling second solenoid valve 6 are connected to outlet connection, and sample passes through 1 sample introduction of liquid phase unit point
Successively pass through three-way connection 4, the first solenoid valve 5 and second solenoid valve 6 from the rear auxiliary liquid in fluid reservoir 2 and enters hydrogenation together
Module 8 occurs for object, accelerates the appearance speed of sample, improves sample peak shape.
The utility model realizes element macroanalysis, Degradation Models by the setting of the first solenoid valve 5 and second solenoid valve 6
The pipeline that three kinds of analytical models are analyzed in analysis, non-Degradation Models automatically switches, and simplifies the structure of pipeline switching, operates more square
Just, without being replaced manually to pipeline;And it is in all pipeline handoff procedures in closed environment, entire pipeline
It is internal not contacted with the external world, it is polluted in outer bound pair pipeline when can be avoided pipeline switching, influences experimental result, further
, the problems such as can be improved test data accuracy, reduce damage of the maloperation to instrument.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (3)
1. a kind of pipeline reversing service for morphological analysis, it is characterised in that: including for sample introduction liquid phase unit (1), deposit
It puts the auxiliary fluid reservoir (2) of liquid, peristaltic pump (3), three-way connection (4), the first solenoid valve (5), second solenoid valve (6), ultraviolet disappear
It solves unit (7) and module (8) occurs for hydride, the inlet union of the peristaltic pump (3) is connected to fluid reservoir (2), the threeway
Connector (4) is connected to the inlet union of liquid phase unit (1), the outlet connection of peristaltic pump (3) and the first solenoid valve (5) respectively,
The outlet connection of the second solenoid valve (6) occurs module (8) with hydride and is connected to, and the outlet of first solenoid valve (5) connects
The inlet union (B) of head (A) and second solenoid valve (6) is connected to ultraviolet digestion unit (7), first solenoid valve (5)
Outlet connection (B) is connected to the inlet union (A) of second solenoid valve (6).
2. a kind of pipeline reversing service for morphological analysis according to claim 1, it is characterised in that: the hydride
It includes five-way joint that module (8), which occur, and five connectors of the five-way joint are separately connected carrier fluid, reducing agent, carrier gas, form sample
Product and gas-liquid separating pipe.
3. a kind of pipeline reversing service for morphological analysis according to claim 1, it is characterised in that: including while with
The controller of first solenoid valve (5) and second solenoid valve (6) electrical connection, the controller can control the first solenoid valve (5)
Inlet union is connected to and controls outlet connection and the import of second solenoid valve (6) with outlet connection (A) or outlet connection (B)
Connector (A) or inlet union (B) connection.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109444308A (en) * | 2018-12-19 | 2019-03-08 | 浙江福立分析仪器股份有限公司 | A kind of pipeline reversing service and its method for morphological analysis |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109444308A (en) * | 2018-12-19 | 2019-03-08 | 浙江福立分析仪器股份有限公司 | A kind of pipeline reversing service and its method for morphological analysis |
CN109444308B (en) * | 2018-12-19 | 2024-03-26 | 浙江福立分析仪器股份有限公司 | Pipeline switching device and method for morphological analysis |
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