CN219417323U - Multichannel sample water sodium ion content detection analysis system - Google Patents

Abstract

The utility model discloses a multichannel sample water sodium ion content detection and analysis system which comprises a multichannel discharge valve, a liquid suction peristaltic pump, an alkalization peristaltic pump, a three-way joint and a controller, wherein multiple inlet joints of the multichannel discharge valve are respectively connected with multiple water inlet pipes, a public outlet joint of the multichannel discharge valve is connected with an inlet of the liquid suction peristaltic pump, an outlet of the liquid suction peristaltic pump is connected with one inlet of the three-way joint, an inlet of the alkalization peristaltic pump is connected with an alkalization liquid bottle, an outlet of the alkalization peristaltic pump is connected with the other inlet of the three-way joint, an outlet of the three-way joint is connected with an inlet of a sodium ion analysis device, and the multichannel discharge valve, the liquid suction peristaltic pump and the alkalization peristaltic pump are respectively and correspondingly connected with the controller. According to the utility model, the sample water is actively extracted by adopting the liquid-extracting peristaltic pump, and the alkalizing liquid is extracted by adopting the alkalizing peristaltic pump, so that the accuracy of a measurement result is ensured; the multi-channel exhaust valve is adopted for control, manual operation is not needed, the cost is saved, and the efficiency is improved.

Description

Multichannel sample water sodium ion content detection analysis system

Technical Field

The utility model relates to a sodium ion content detection and analysis system, in particular to a multichannel sample water sodium ion content detection and analysis system.

Background

Sodium ion content analysis is an important approach for water quality detection of industrial water such as boiler water, sodium ion monitoring is generally realized by adopting a potential method, the basic principle is that a sodium ion-sensitive glass electrode is used for directly detecting sodium ion content in sample water, for example, the sodium ion content is used for monitoring boiler water in a thermal power plant, the sodium ion content is detected by the method, the key point is that the pH value of the sample water is regulated to be more than 11 so as to inhibit interference of hydrogen ions, and the process is the process of alkalizing the sample water.

The traditional sodium ion content detection and analysis system has the following defects: 1. in the sample water obtaining process, sample water is obtained in an overflow mode, and the situation of a water way on site of a user is complex, or the sample water cannot reach an overflow cup due to insufficient flow, or the overflow cup cannot timely drain excessive sample water to cause liquid leakage due to overlarge flow, so that an instrument circuit is corroded; 2. in the alkalization treatment process, the pH value of the alkalization liquid used for neutralizing the sample water is obtained through an alkalization liquid bottle based on the siphon effect, and due to the fixed pipeline, when the flow of the sample water is too low or too high, the alkalization amount cannot be timely adjusted, the fixed alkalization value cannot be reached, and the error of a measurement result is caused; 3. in the process of calibrating through the standard liquid, the standard liquid needs to be poured into the standard liquid bottle manually, and the time and the labor are consumed, and the efficiency is low.

Disclosure of Invention

The utility model aims to solve the problems and provide a multichannel sample water sodium ion content detection and analysis system which is convenient for accurately controlling the sample water flow and the alkalization liquid flow.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides a multichannel sample water sodium ion content detection analysis system, includes multichannel row valve, drawing liquid peristaltic pump, alkalization peristaltic pump, three way connection and controller, multichannel row valve's multichannel inlet connection is connected with the one end of many inlet tubes respectively, multichannel row valve's public outlet joint with drawing liquid peristaltic pump's access connection, drawing liquid peristaltic pump's export with one access connection of three way connection, alkalization peristaltic pump's import is connected with the alkalization liquid bottle, alkalization peristaltic pump's export with another access connection of three way connection, three way connection's export and sodium ion analytical equipment's access connection, multichannel row control input of drawing liquid peristaltic pump the control input of alkalization peristaltic pump respectively with the control output of controller corresponds the connection.

Preferably, in order to achieve better sample water analysis effect and alkalization control precision, the sodium ion analysis device comprises a measurement flow cell, a bubble detector, a sodium ion measurement electrode, a PH composite electrode, a sodium ion reference electrode and a temperature electrode, wherein the bubble detector, the sodium ion measurement electrode, the PH composite electrode, the sodium ion reference electrode and the temperature electrode are sequentially arranged on the measurement flow cell, the temperature electrode is close to a wastewater outlet joint of the measurement flow cell, a reference liquid inlet of the sodium ion reference electrode is connected with a reference liquid bottle, an outlet of the three-way joint is connected with an inlet of the bubble detector, and a signal output end of the bubble detector, a signal output end of the sodium ion measurement electrode, a signal output end of the PH composite electrode, a signal output end of the sodium ion reference electrode and a signal output end of the temperature electrode are respectively and correspondingly connected with a signal input end of the controller. The bubble detector, the sodium ion measuring electrode, the PH composite electrode, the sodium ion reference electrode and the temperature electrode are all conventional sodium ion detection devices.

Preferably, for convenience in installation and application, the multichannel valve, the pumping peristaltic pump, the alkalization peristaltic pump, the three-way joint, the sodium ion analysis device, the reference liquid bottle and the controller are all installed on a movable panel, and the movable panel is installed on a fixed panel through a hinge.

Preferably, in order to position the water inlet pipes, the movable panel is provided with water inlet pipe positioning blocks for positioning the water inlet pipes in a centralized manner, and the water inlet pipes are connected with the water inlet pipe positioning blocks.

Preferably, in order to better manage the multiple water inlet pipes and the corresponding sample water, and simultaneously in order to facilitate automatic introduction of standard liquid, the other ends of the multiple water inlet pipes are respectively connected with multiple outlets of the multichannel sample water distributor and the standard liquid bottle, multiple inlets of the multichannel sample water distributor are respectively connected with outlets of multiple sample water filters, and multiple inlets of the sample water filters are respectively connected with multiple sample water sources.

Preferably, for ease of installation and application, the multichannel sample water dispenser, the plurality of sample water filters, the standard liquid bottle, and the alkalizing liquid bottle are all mounted on the fixed panel.

The utility model has the beneficial effects that:

according to the utility model, the peristaltic pump for pumping liquid is adopted to actively pump the sample water, so that the requirement on the condition of external sample water is low, and the problem that the sample water cannot be obtained or leaked due to low or high flow rate of the sample water is avoided; an independent alkalization peristaltic pump is adopted to pump alkalization liquid, and the alkalization peristaltic pump is driven in real time by a controller, so that the sample water after alkalization is always kept in a set alkalization value range, and the accuracy of a measurement result is ensured; the multi-channel discharge valve is adopted to control the inlet channel of the sample water, so that the on-line full-automatic three-point standard can be realized, manual operation is not needed, and meanwhile, multi-channel sample water switching can be performed, so that the aim of multi-channel sample water analysis by one instrument is fulfilled, the cost is saved, and meanwhile, the automatic introduction of standard liquid is controlled through the multi-channel discharge valve, and the efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a multichannel sample water sodium ion content detection and analysis system according to the present utility model.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1, the multi-channel sample sodium ion content detection and analysis system of the utility model comprises a multi-channel discharge valve 8 (which is an electromagnetic valve), a liquid suction peristaltic pump 6, an alkalization peristaltic pump 11, a three-way joint 13 and a controller (not shown in the figure), wherein a multi-channel inlet joint 7 of the multi-channel discharge valve 8 is respectively connected with one ends of a plurality of water inlet pipes 5, a common outlet joint 4 of the multi-channel discharge valve 8 is connected with an inlet of the liquid suction peristaltic pump 6, an outlet of the liquid suction peristaltic pump 6 is connected with one inlet of the three-way joint 13, an inlet of the alkalization peristaltic pump 11 is connected with an alkalization liquid bottle 24, an outlet of the alkalization peristaltic pump 11 is connected with the other inlet of the three-way joint 13, an outlet of the three-way joint 13 is connected with an inlet of a sodium ion analysis device, and a control input end of the multi-channel discharge valve 8, a control input end of the liquid suction peristaltic pump 6 and a control input end of the alkalization peristaltic pump 11 are respectively connected with a control output end of the controller.

As shown in FIG. 1, the present utility model also discloses a number of more optimal specific structures:

in order to achieve better sample water analysis effect and alkalization control precision, the sodium ion analysis device comprises a measurement flow cell 19, a bubble detector 18, a sodium ion measurement electrode 17, a PH composite electrode 15, a sodium ion reference electrode 14 and a temperature electrode 10, wherein the bubble detector 18, the sodium ion measurement electrode 17, the PH composite electrode 15, the sodium ion reference electrode 14 and the temperature electrode 10 are sequentially arranged on the measurement flow cell 19, the temperature electrode 10 is close to a wastewater outlet joint 12 of the measurement flow cell 19, a reference liquid inlet of the sodium ion reference electrode 14 is connected with a reference liquid bottle 16, an outlet of the three-way joint 13 is connected with an inlet of the bubble detector 18, and a signal output end of the bubble detector 18, a signal output end of the sodium ion measurement electrode 17, a signal output end of the PH composite electrode 15, a signal output end of the sodium ion reference electrode 14 and a signal output end of the temperature electrode 10 are respectively connected with a signal input end of the controller.

For easy installation and application, the multichannel valve 8, the peristaltic pump 6, the peristaltic pump 11, the three-way joint 13, the sodium ion analysis device, the reference liquid bottle 16 and the controller are all installed on the movable panel 3, and the movable panel 3 is installed on the fixed panel 1 through the hinge 2.

In order to position the water inlet pipes 5, the movable panel 3 is provided with a water inlet pipe positioning block 9 for positioning the water inlet pipes 5 in a centralized manner, and the water inlet pipes 5 are connected with the water inlet pipe positioning block 9. The water inlet pipe positioning block 9 can be easily realized by adopting the prior art according to actual needs, and the specific structure is determined according to needs.

In order to better manage the plurality of water inlet pipes 5 and corresponding sample water, and simultaneously in order to facilitate automatic introduction of standard solution, the other ends of the plurality of water inlet pipes 5 are respectively connected with a plurality of outlets of the multi-channel sample water distributor 21 and the standard solution bottle 23, a plurality of inlets of the multi-channel sample water distributor 21 are respectively connected with outlets of the plurality of sample water filters 22, and inlets of the plurality of sample water filters 22 are respectively connected with a plurality of sample water sources (not shown in the figure).

For ease of installation and application, a multi-channel sample water dispenser 21, a plurality of sample water filters 22, a standard solution bottle 23, and an alkalizing solution bottle 24 are all mounted on the stationary panel 1.

When the device is used, as shown in fig. 1, the inlets of a plurality of sample water filters 22 are respectively connected with a plurality of sample water sources (such as various sample water of a boiler, not shown in the figure), one of the channels of a multi-channel discharge valve 8 is opened, a controller controls a liquid suction peristaltic pump 6 and an alkalization peristaltic pump 11 to be started, corresponding sample water and alkalization liquid are led into a bubble detector 18 after passing through a three-way joint 13 and then enter a measuring flow cell 19 for measurement, a PH composite electrode 15 detects the current alkalization degree, then the controller changes the working states of the liquid suction peristaltic pump 6 and the alkalization peristaltic pump 11 through PID calculation in the prior art, after the constant working conditions are entered, signals detected by a sodium ion measuring electrode 17, a sodium ion reference electrode 14 and a temperature electrode 10 are calculated and converted into sodium ion content values of the current sample water by the controller, and the sample water after measurement flows out through a waste water outlet joint 12 and a waste water pipe 20. When calibration is needed, a channel corresponding to the standard liquid bottle 23 on the multi-channel discharge valve 8 is controlled to be opened by the controller, and the standard liquid is quickly introduced to carry out the calibration process.

The above embodiments are only preferred embodiments of the present utility model, and are not limiting to the technical solutions of the present utility model, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present utility model.

Claims (6)

1. A multichannel sample water sodium ion content detection analysis system is characterized in that: the device comprises a multichannel discharge valve, a liquid pumping peristaltic pump, an alkalizing peristaltic pump, a three-way joint and a controller, wherein multipath inlet joints of the multichannel discharge valve are respectively connected with one ends of a plurality of water inlet pipes, a public outlet joint of the multichannel discharge valve is connected with an inlet of the liquid pumping peristaltic pump, an outlet of the liquid pumping peristaltic pump is connected with one inlet of the three-way joint, an inlet of the alkalizing peristaltic pump is connected with an alkalizing liquid bottle, an outlet of the alkalizing peristaltic pump is connected with the other inlet of the three-way joint, an outlet of the three-way joint is connected with an inlet of a sodium ion analysis device, and control input ends of the multichannel discharge valve and control input ends of the liquid pumping peristaltic pump and control input ends of the alkalizing peristaltic pump are respectively correspondingly connected with control output ends of the controller.

2. The multi-channel sample water sodium ion content detection and analysis system according to claim 1, wherein: the sodium ion analysis device comprises a measurement flow cell, a bubble detector, a sodium ion measurement electrode, a PH composite electrode, a sodium ion reference electrode and a temperature electrode, wherein the bubble detector, the sodium ion measurement electrode, the PH composite electrode, the sodium ion reference electrode and the temperature electrode are sequentially arranged on the measurement flow cell, the temperature electrode is close to a waste water outlet joint of the measurement flow cell, a reference liquid inlet of the sodium ion reference electrode is connected with a reference liquid bottle, an outlet of the three-way joint is connected with an inlet of the bubble detector, and a signal output end of the bubble detector, a signal output end of the sodium ion measurement electrode, a signal output end of the PH composite electrode, a signal output end of the sodium ion reference electrode and a signal output end of the temperature electrode are respectively and correspondingly connected with a signal input end of the controller.

3. The multi-channel sample water sodium ion content detection and analysis system according to claim 2, wherein: the multichannel exhaust valve, the liquid pumping peristaltic pump, the alkalization peristaltic pump, the three-way connector, the sodium ion analysis device, the reference liquid bottle and the controller are all installed on a movable panel, and the movable panel is installed on a fixed panel through a hinge.

4. The multi-channel sample water sodium ion content detection and analysis system according to claim 3, wherein: the movable panel is provided with a water inlet pipe positioning block for intensively positioning a plurality of water inlet pipes, and the water inlet pipes are connected with the water inlet pipe positioning block.

5. The multi-channel sample water sodium ion content detection and analysis system according to claim 3 or 4, wherein: the other ends of the water inlet pipes are respectively connected with a plurality of outlets of the multichannel sample water distributor and the standard liquid bottle, a plurality of inlets of the multichannel sample water distributor are respectively connected with outlets of a plurality of sample water filters, and inlets of the sample water filters are respectively connected with a plurality of sample water sources.

6. The multi-channel sample water sodium ion content detection and analysis system according to claim 5, wherein: the multichannel sample water distributor, a plurality of sample water filters, the standard liquid bottle and the alkalization liquid bottle are all installed on the fixed panel.