CN211785421U - Sodium ion concentration measuring device for laboratory - Google Patents

Abstract

The utility model discloses a sodium ion concentration measuring device for laboratory, which comprises a measuring bottle; the bottle cap of the sampling bottle is provided with a sampling bottle cap; the bottle mouth cover of the measuring bottle is provided with a sealing cover; one end of the sampling tube penetrates through the lower part of the sampling bottle in a sealing way and is fixed on the lower part of the sampling bottle, and the other end of the sampling tube penetrates through the sealing cover in a sealing way and is movably arranged in the measuring bottle. The advantages are that: the sampling bottle is used for taking a water sample and then is sealed by the sampling bottle cap, the sampling bottle is placed on a supporting platform, the other end of the sampling pipe is inserted into the measuring bottle through the sealing cap, the water sample continuously flows into the measuring bottle under the action of gravity, meanwhile, part of air in the measuring bottle is discharged through the overflow pipe, when the water sample height reaches the position of an overflow port, the water sample flows into the water tank through the overflow pipe, the water sample liquid level in the measuring bottle is kept at a set measuring height, therefore, after the measuring bottle and the sampling bottle are sealed, the contact between the water sample and the air is reduced, and in the process of continuous flowing and updating of the water sample, the purpose of accurately measuring the concentration of sodium ions can be achieved through the sodium ion determinator.

Description

Sodium ion concentration measuring device for laboratory

The technical field is as follows:

the utility model relates to a sodium ion measuring equipment technical field, in particular to laboratory is with sodium ion concentration measurement device.

Background art:

the numerical value of sodium ions is an important index in a power plant, and if the concentration of the sodium ions in a water body exceeds the standard, the superheater is scaled slightly, and the turbine blade is salted; the superheater pipe explosion is caused, the axial thrust of the steam turbine is increased, the unit is forced to reduce the load, and even the machine is shut down, so that the enhancement of the supervision on the concentration of sodium ions in the water body in relevant production links has very important significance; in the actual production process, besides the on-line sodium meter is used for carrying out on-site actual measurement on the concentration of sodium ions in a water body, according to the process requirements, uninterrupted sampling is required and real-time tracking measurement is carried out in a laboratory, the numerical value of the sodium ions is usually measured by using an HK-51 type sodium ion tester in the laboratory at present by using a static method, namely, when the concentration of the sodium ions is measured on a water sample, a worker is required to extend a measuring electrode of the HK-51 type sodium ion tester into a sampling bottle filled with the water sample by hand to carry out measurement for a period of time, reading is started after data displayed by the HK-51 type sodium ion tester is stable, so that the hand is fatigued, time and labor are wasted, in addition, in the measurement process, the bottle mouth of the sampling bottle is always kept in an open state and is in long-time contact with a large amount of outside air, and, resulting in inaccurate measured data, which in turn makes the measured data inaccurate for guiding actual production.

The utility model has the following contents:

an object of the utility model is to provide a reduce water sample and air contact time with improvement sodium ion measuring accuracy's laboratory sodium ion concentration measuring device.

The utility model discloses by following technical scheme implement: the laboratory is with the sodium ion concentration measuring device, it includes sodium ion determinator and sample bottle; the device also comprises an experiment platform, a supporting platform, a measuring bottle and a sample inlet pipe; the supporting platform is horizontally arranged above the experiment platform through a support rod, the sampling bottle is placed on the supporting platform, and a sampling bottle cap is arranged on a bottle mouth movable cover of the sampling bottle; the sodium ion tester, the measuring bottle and the water tank are placed on the experiment platform, a sealing cover is arranged on a bottle cap of the measuring bottle, and a measuring electrode of the sodium ion tester penetrates through and is fixed on the sealing cover in a sealing manner; one end of the sampling tube penetrates through the lower part of the sampling bottle in a sealing way and is fixed on the lower part of the sampling bottle, and the other end of the sampling tube penetrates through the sealing cover in a sealing way and is movably arranged in the measuring bottle; an overflow port is formed in the upper portion of the measuring bottle, and the overflow port is communicated with the water tank through an overflow pipe.

Furthermore, an exhaust port is formed in the side wall of the measuring bottle above the overflow port, a micro vacuum pump is placed on the experiment platform, and an air inlet of the micro vacuum pump is communicated with the exhaust port through an exhaust pipe; and a manual switch valve is arranged on the overflow pipe.

Further, a diisopropylamine burette is hermetically arranged on the sampling bottle cap in a penetrating way.

The utility model has the advantages that: the water sample is taken by the sampling bottle and then sealed by the sampling bottle cap, and then is placed on the supporting platform, the other end of the sampling pipe is inserted into the measuring bottle through the sealing cap, the water sample continuously flows into the measuring bottle under the action of gravity, part of air in the measuring bottle is discharged through the overflow pipe, and when the height of the water sample reaches the position of an overflow port, the water sample flows into the water tank through the overflow pipe, so that the liquid level of the water sample in the measuring bottle is kept at a set measuring height, therefore, in the measuring process, a worker does not need to hold a measuring electrode of the sodium ion determinator by hands, and time and labor are saved; in addition, in the measuring process, the measuring bottle and the sampling bottle are always kept in a sealing state, the air quantity in contact with a water sample is reduced, in the measuring process, the water sample in the measuring bottle is always in a constantly flowing and updating state, the contact time of the water sample in the measuring bottle and the air is shortened, and the purpose of accurately measuring the concentration of sodium ions can be achieved through the sodium ion determinator.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

The parts in the drawings are numbered as follows: the device comprises a sodium ion tester 1, a measuring electrode 1.1, a sampling bottle 2, an experiment platform 3, a supporting platform 4, a measuring bottle 5, an overflow port 5.1, an exhaust port 5.2, a sampling pipe 6, a support rod 7, a sampling bottle cap 8, a water tank 9, a sealing cover 10, an overflow pipe 11, a micro vacuum pump 12, an exhaust pipe 13, a manual switch valve 14 and a diisopropylamine burette 15.

The specific implementation mode is as follows:

as shown in figure 1, the laboratory sodium ion concentration measuring device comprises a sodium ion tester 1 and a sampling bottle 2, wherein the model of the sodium ion tester 1 is HK-51; the device also comprises an experiment platform 3, a supporting platform 4, a measuring bottle 5 and a sampling tube 6, wherein the sampling bottle 2 and the measuring bottle 5 are both made of transparent plastic materials, so that the liquid level in the bottles can be observed conveniently; a horizontally arranged supporting platform 4 is supported above the experiment platform 3 through a supporting rod 7, a sampling bottle 2 is placed on the supporting platform 4, one end of a sampling tube 6 penetrates through the lower part of the sampling bottle 2 in a sealing manner and is placed in the sampling bottle 2, the outer wall of one end of the sampling tube 6 is fixed with the side wall of the sampling bottle 2, a sampling bottle cap 8 is arranged on a movable bottle mouth cover of the sampling bottle 2, a water sample is taken through the sampling bottle 2 and then is sealed by the sampling bottle cap 8, and the sampling bottle 2 is placed on the supporting platform 4; the experiment platform 3 is provided with a sodium ion tester 1, a measuring bottle 5 and a water tank 9, the bottle cap of the measuring bottle 5 is provided with a sealing cover 10, a measuring electrode 1.1 of the sodium ion tester 1 penetrates through and is fixed on the sealing cover 10 in a sealing way, and the measuring electrode 1.1 of the sodium ion tester 1 is arranged in the measuring bottle 5; the other end of the sample inlet pipe 6 penetrates through the sealing cover 10 in a sealing manner and is movably arranged in the measuring bottle 5, the upper part of the measuring bottle 5 is provided with an overflow port 5.1, the bottom end of a measuring electrode 1.1 of the sodium ion determinator 1 extends to the lower part of the overflow port 5.1, the overflow port 5.1 is communicated with the water tank 9 through an overflow pipe 11, after the other end of the sample inlet pipe 6 is inserted in the measuring bottle 5 through the sealing cover 10, a water sample continuously flows into the measuring bottle 5 from the sample taking bottle 2 under the action of gravity, and meanwhile, part of air in the measuring bottle 5 is discharged through the overflow pipe 11; when the water sample height reaches the position of the overflow port 5.1, the water sample flows into the water tank 9 through the overflow pipe 11, so that the water sample liquid level in the measuring bottle 5 is kept at a set measuring height, and therefore, in the measuring process, a worker does not need to hold the measuring electrode 1.1 of the sodium ion determinator 1 by hands, and time and labor are saved; in addition, in the measuring process, the measuring bottle 5 and the sampling bottle 2 are always kept in a sealing state, the air quantity in contact with a water sample is reduced, in the measuring process, the water sample in the measuring bottle 5 is always in a constantly flowing and updating state, the contact time of the water sample in the measuring bottle 5 and the air is shortened, and then the purpose of accurately measuring the concentration of sodium ions can be achieved through the sodium ion determinator 1.

An exhaust port 5.2 is formed in the side wall of the measuring bottle 5 above the overflow port 5.1, a micro vacuum pump 12 is placed on the experiment platform 3, an air inlet of the micro vacuum pump 12 is communicated with the exhaust port 5.2 through an exhaust pipe 13, a manual switch valve 14 is arranged on the overflow pipe 11, the manual switch valve 14 is closed, and air in the measuring bottle 5 is extracted through the micro vacuum pump 12 to reduce the air quantity, so that the contact quantity of the air and a water sample is reduced, and the measuring accuracy is improved; meanwhile, the negative pressure in the measuring bottle 5 is favorable for accelerating the flow velocity of the water sample in the sampling bottle 2 and improving the measuring efficiency, and is favorable for discharging air flowing into the water sample in the measuring bottle 5, so that the measuring accuracy is further improved; the diisopropylamine buret 15 is arranged on the sampling bottle 2 cover in a sealing and penetrating mode, diisopropylamine is dripped into a water sample in the sampling bottle 2 through the diisopropylamine buret 15, the water sample is alkalized, hydrogen ions in the water are eliminated, and the measurement accuracy of sodium ions in the water sample is further improved.

Instructions for use: in an initial state, the micro vacuum pump 12 and the manual switch valve 14 are in a closed state, the sealing cover 10 is covered on the measuring bottle 5, and the measuring electrode 1.1 of the sodium ion determinator 1 penetrates through and is fixed on the sealing cover 10 in a sealing manner; firstly, a water sample is taken from a production site through a sampling bottle 2, the sampling bottle is covered by a sampling bottle cap 8 after being filled with the water sample, the sampling bottle cap is placed on a supporting platform 4, then a micro vacuum pump 12 is started to extract air in a measuring bottle 5, the micro vacuum pump 12 is closed after extracting for a period of time so as to reduce the air in the measuring bottle 5, a sodium ion determinator 1 is started, then the other end of the sampling tube 6 is inserted into the measuring bottle 5 through the sealing cover 10, at the moment, the water sample continuously flows into the measuring bottle 5 from the sampling bottle 2 under the action of gravity, when the height of the water sample reaches the position of the overflow port 5.1, the manual switch valve 14 is opened, the water sample in the measuring bottle 5 flows into the water tank 9 through the overflow pipe 11, so that the liquid level of the water sample in the measuring bottle 5 is dynamically maintained at the set measuring height, in the process of continuously flowing and updating the water sample, the concentration of sodium ions in the water sample is accurately measured by the sodium ion determinator 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. The laboratory is with the sodium ion concentration measuring device, it includes sodium ion determinator and sample bottle; the device is characterized by also comprising an experiment platform, a supporting platform, a measuring bottle and a sample inlet pipe; the supporting platform is horizontally arranged above the experiment platform through a support rod, the sampling bottle is placed on the supporting platform, and a sampling bottle cap is arranged on a bottle mouth movable cover of the sampling bottle; the sodium ion tester, the measuring bottle and the water tank are placed on the experiment platform, a sealing cover is arranged on a bottle cap of the measuring bottle, and a measuring electrode of the sodium ion tester penetrates through and is fixed on the sealing cover in a sealing manner; one end of the sampling tube penetrates through the lower part of the sampling bottle in a sealing way and is fixed on the lower part of the sampling bottle, and the other end of the sampling tube penetrates through the sealing cover in a sealing way and is movably arranged in the measuring bottle; an overflow port is formed in the upper portion of the measuring bottle, and the overflow port is communicated with the water tank through an overflow pipe.

2. The sodium ion concentration measuring device for the laboratory according to claim 1, wherein an exhaust port is formed in the side wall of the measuring bottle above the overflow port, a micro vacuum pump is placed on the experiment platform, and an air inlet of the micro vacuum pump is communicated with the exhaust port through an exhaust pipe; and a manual switch valve is arranged on the overflow pipe.

3. The laboratory sodium ion concentration measuring device of claim 1, wherein a diisopropylamine burette is sealingly threaded through the sampling vial cap.

Images