Online dilution device

A technology of dilution device and liquid inlet pipe, applied in transportation and packaging, mixer, dissolution and other directions, can solve the problems of heavy workload, high operator requirements, slow dilution speed of sample processing workstation, etc., to meet the requirements of rapid analysis, The effect of high degree of automation and high work efficiency

Pending Publication Date: 2018-11-23
BEIJING BAODE INSTR CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Among them, the manual method has high requirements for operators and a large workload; the dilution speed of the sample processing workstation is slow, which increases the user's test time and test cost, and cannot meet the needs of online dilution of samples

Method used

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  • Online dilution device

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Embodiment 1

[0025] This embodiment provides an online dilution device, especially an online dilution device for a flow injection analyzer, which includes: a dilution device body and a control system.

[0026] In this embodiment, the dilution device body includes: a fixed base and at least two proportional distributors.

[0027] At least two liquid inlet pipelines and one liquid outlet pipeline are formed on the fixed base, and a communication pipeline is arranged inside the fixed base, and one end of the communication pipeline is communicated with all the liquid inlet pipelines. The other end of the pipeline is connected with the liquid outlet pipeline through the braided reactor; the sample or diluent enters the communication pipeline under the control of the proportional distributor, and after mixing in the braided reactor, it enters the flow injection analyzer through the liquid outlet pipeline. Moreover, the material of the fixing base has good chemical stability.

[0028] The braide...

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PUM

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Abstract

The invention discloses an online dilution device, comprising a dilution device body and a control system, wherein the dilution device body comprises a fixed base and at least one proportional distributor; at least one liquid inlet pipeline and at least one liquid outlet pipeline are formed on the fixed base; an inlet of the proportional distributor is connected to a liquid inlet container througha pipeline, and an outlet of the proportional distributor is in communication with the liquid inlet pipeline of the fixed base; the liquid outlet pipeline is connected with a flow injection analyzer;the control system is connected to the proportional distributor by signals. The online dilution device can realize the online preparation of a standard curve based on the structure above, perform on-line dilution of high concentration samples with dilution ratio of 1 to 200 times, dilute and mix a sample and 12 kinds of reagents on line and work with the flow injection analyzer together without interference, has not only a high degree of automation, but also high work efficiency, and thus meets the needs of rapid analysis.

Description

technical field [0001] The invention relates to an online dilution device, in particular to an online dilution device for a flow injection analyzer, which can perform online dilution of a sample through software control without affecting the detection of the flow injection analyzer. Background technique [0002] The existing fully automatic analytical instruments on the market based on the principle of flow injection analysis need to draw a standard curve before each test, and high-concentration samples also need to be diluted in advance. [0003] At present, the standard curve or sample dilution process is often realized by manual method or sample processing workstation. Among them, the manual method has higher requirements for operators and a larger workload; the dilution speed of the sample processing workstation is slow, which increases the user's testing time and testing cost, and cannot meet the needs of online sample dilution. SUMMARY OF THE INVENTION [0004] The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F15/04
CPCB01F35/83
Inventor 王淦芮郑逢喜叶建平许鑫赵萍
Owner BEIJING BAODE INSTR CO LTD
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