CN-224231789-U - Automatic arsenic detection reaction device based on silver salt method

Abstract

The utility model relates to the technical field of hydrometallurgy, in particular to an automatic arsenic-measuring reaction device based on a silver salt method, which comprises a test platform, an automatic sampler, a measuring tank, a liquid inlet component, a first liquid outlet component and a second liquid outlet component, wherein a plurality of mounting holes are formed in the upper side of the front part of the test platform, the measuring tank is arranged in each mounting hole, a plurality of reagent bottles are arranged on the automatic sampler, the liquid inlet component comprises a first injection pump, the first injection pump is arranged on the front side of the upper part of the test platform, the plurality of reagent bottles are fixedly communicated with the inlet of the first injection pump, and the automatic arsenic-measuring reaction device is simple in structure and convenient to use, realizes automatic reagent addition and automatic discharge of reaction waste liquid, meets the requirements of automatic sample inlet and outlet, reduces the labor intensity of workers, and improves the experimental efficiency.

Inventors

• WANG CUIYA
• LI XIAOTING
• DONG CUNWU
• WANG JUN
• LU JIANQIANG
• LI LINGXIAO
• QIN XUEPING

Assignees

• 金川集团镍盐有限公司

Dates

Publication Date

20260512

Application Date

20250414

Claims (6)

1. 1. The automatic arsenic detection reaction device based on the silver salt method is characterized by comprising a test platform, an automatic sampler, a measuring pool, a liquid inlet component and a liquid outlet component, wherein the upper side of the front part of the test platform is provided with a plurality of placement holes, and each placement hole is internally provided with the measuring pool; The liquid inlet assembly comprises a first injection pump, a second injection pump and absorption tubes, wherein the first injection pump is arranged on the front side of the upper part of the test platform, a plurality of reagent bottles are fixedly communicated with inlets of the first injection pump, outlets of the first injection pump are respectively fixedly communicated with a plurality of measuring tanks; The liquid discharging assembly comprises a switching valve and a peristaltic pump, the peristaltic pump is fixedly arranged on the front side of the upper part of the testing platform, the switching valve is connected to the outlets of the measuring tanks, and the outlet of the switching valve is connected with the peristaltic pump.
2. 2. The automatic arsenic measuring reaction device based on the silver salt method according to claim 1, wherein a drawer is arranged at the bottom of the testing platform, and a magnetic stirrer is arranged in the drawer corresponding to the position below each measuring pool.
3. 3. The automatic arsenic detecting reaction device based on the silver salt method according to claim 1, wherein a touch display screen is arranged on the front side of the upper portion of the testing platform and is electrically connected with the first injection pump, the second injection pump, the switching valve and the peristaltic pump respectively.
4. 4. The automatic arsenic-measuring reaction device based on the silver salt method according to claim 1, wherein the back of the test platform is provided with a double-opening cabinet door.
5. 5. The automatic arsenic-measuring reaction device based on the silver salt method according to claim 1, wherein a constant-temperature water bath box is arranged at the bottom of the inner side of the test platform.
6. 6. An automatic arsenic determining reaction unit based on silver salt method according to claim 1, wherein the number of measuring cells is 6.

Description

Automatic arsenic detection reaction device based on silver salt method Technical Field The utility model relates to the technical field of hydrometallurgy, in particular to an automatic arsenic detection reaction device based on a silver salt method. Background Currently, methods for measuring arsenic content in a sample include an ICP method, an atomic fluorescence method, a DDTC-Ag (silver salt method), and an arsenic spot method. The ICP method has high detection limit, the trace arsenic in the sample is difficult to detect, the atomic fluorescence method has low detection limit and high sensitivity, but the instrument has high price and high maintenance and detection cost, and many basic-level inspection units do not have test conditions. Therefore, there is an urgent need for a method for measuring low arsenic content in a sample with low detection limit, high sensitivity and low detection cost. In the traditional chemical industry field, a DDTC-Ag method and an arsenic spot method are common arsenic element determination methods. However, at present, no corresponding testing instrument exists in the two methods, and the operation processes of manually constructing a reaction device, manually adding reagents and the like are generally adopted. The method has the advantages of complex operation process, easy generation of operation errors, high labor intensity of detection personnel and long time consumption, so that a testing device with simple operation and high degree of automation is required to be developed to reduce the labor intensity and the operation errors of the personnel. Disclosure of utility model The utility model provides an automatic arsenic-measuring reaction device based on a silver salt method, which overcomes the defects of the prior art, can effectively solve the defects of the traditional manual arsenic-measuring construction device based on the silver salt method and the problems that the manual construction device can only perform single sample analysis, has low test speed and large measurement error, and can realize simultaneous measurement of a plurality of samples. In order to solve the problems, the automatic arsenic measuring reaction device based on the silver salt method comprises a test platform, an automatic sampler, a measuring tank, a liquid inlet component and a liquid outlet component, wherein the upper side of the front part of the test platform is provided with a plurality of mounting holes, and each mounting hole is internally provided with the measuring tank; The liquid inlet assembly comprises a first injection pump, a second injection pump and absorption tubes, wherein the first injection pump is arranged on the front side of the upper part of the test platform, a plurality of reagent bottles are fixedly communicated with inlets of the first injection pump, outlets of the first injection pump are respectively fixedly communicated with a plurality of measuring tanks; The liquid discharging assembly comprises a switching valve and a peristaltic pump, the peristaltic pump is fixedly arranged on the front side of the upper part of the testing platform, the switching valve is connected to the outlets of the measuring tanks, and the outlet of the switching valve is connected with the peristaltic pump. The bottom of the test platform is provided with drawers, and magnetic stirrers are arranged in the drawers corresponding to the lower positions of the measuring pools. A touch display screen is arranged on the front side of the upper part of the test platform, The back of the test platform is provided with a double-opening cabinet door. The bottom of the inner side of the test platform is provided with a constant-temperature water bath box. The number of the measuring cells is 6. The device has the advantages of simple structure and convenient use, realizes automatic reagent addition and automatic discharge of reaction waste liquid through components such as the first injection pump, the second injection pump, the measuring cell, the switching valve, the peristaltic pump and the like, meets the requirement of automatic sample feeding and discharging, reduces the labor intensity of workers, improves the experimental efficiency, and can simultaneously perform automatic measurement of a plurality of channels and improves the sample analysis speed. Drawings The following describes the embodiments of the present utility model in further detail with reference to the drawings. Fig. 1 is a schematic diagram of the overall structure of the present utility model. FIG. 2 is a schematic diagram of the liquid inlet and outlet reaction process of the present utility model. FIG. 3 is a perspective view of a test platform according to the present utility model. In the figure, a test platform 1, an automatic sampler 2, a measuring cell 3, a placement hole 4, a reagent bottle 5, a first injection pump 6, a second injection pump 7, an absorption tube 8, a placement hole 9, a switching