CN110146646A - A kind of full-automatic fluorine chlorine conparator - Google Patents

Abstract

The invention discloses a fully automatic fluorine and chlorine measuring instrument, which includes a hydrolysis part and a titration part. Rod, flow meter, steam inlet, sample feeding mechanism, air pressure gauge, oxygen cylinder, heating furnace module, control board, the titration part includes a peristaltic pump, fluoride ion electrode, chloride ion electrode, peristaltic tube, and the hydrolysis There are two pipes, which are arranged on one side of the hydrolysis part of the analyzer, and the air inlet and steam inlet are arranged on both sides of the hydrolysis pipe. The measuring instrument is designed based on the high-frequency induction furnace method. According to the original technology, the manual workload is large, and it is time-consuming and laborious to make one sample at a time. The measuring instrument can send two samples at a time, and two samples can be made in the same time. , easy to operate, less interference ions, short measurement time, accurate measurement results.

Description

A fully automatic fluorine and chlorine measuring instrument

technical field

The invention relates to the field of coal quality analysis and testing, in particular to an automatic fluorine and chlorine measuring instrument.

Background technique

Most of the existing sample delivery is manual sample delivery, manually sealing the rubber plug, and sending one sample at a time. The manual operation is cumbersome, and the error of sampling and sample preparation is much greater than the error of the test. It is the most prone to human errors. , poor safety, manual titration, cumbersome calculations, and most of today’s instruments have good stability in the initial stage. After a period of use, due to the contamination of sensors or pipelines, the water filling becomes unstable, which makes the measurement results very unstable. big error.

Contents of the invention

The technical problem to be solved by the present invention is to provide an automatic fluorine and chlorine measuring instrument for the above problems.

In order to solve the above technical problems, the technical solution provided by the present invention is: a fully automatic fluorine and chlorine measuring instrument, including a hydrolysis part and a titration part, and the hydrolysis part is divided into a power switch, an indicator light, a liquid crystal touch screen, a hydrolysis tube, a Gas port, sample delivery rod, sample delivery vertical rod, flowmeter, steam inlet, sample delivery mechanism, barometer, oxygen cylinder, heating furnace module, control board, the titration part includes peristaltic pump, fluoride ion electrode, chlorine ion electrode, peristaltic tube, the power switch is set on one end panel of the hydrolysis part of the measuring instrument, the liquid crystal touch screen is set on one end panel of the hydrolysis part of the measuring instrument, and the indicator light is set on one side of the liquid crystal touch screen. The flowmeter is set at the lower right corner of the hydrolysis part of the tester. There are two hydrolysis tubes, which are set on one side of the hydrolysis part of the tester. The air inlet and steam inlet are set on both sides of the hydrolysis tube. The air inlet and the steam inlet are externally connected with hoses, one end of the sample feeding rod is threaded in the hydrolysis tube, and the other end is tightly connected to the sample feeding vertical rod with screws, and one end of the sample feeding vertical rod is connected to the hydrolysis tube. The sample feeding mechanism is welded and fixed, and the other end of the sample feeding mechanism is connected to the measuring instrument. The top of the oxygen cylinder is provided with a screw valve, and one end of the barometer is screwed with the thread on the valve, and the other end is connected to the measuring instrument. There is a hose connection between them, and the heating furnace module adopts an energy-saving ceramic fiber furnace, which is located in the inner area of the measuring instrument, and is electrically connected and controlled with the control board of the measuring instrument. The peristaltic pump, fluorine ion electrode, The chloride ion electrodes are all connected with the host computer, and the peristaltic tube is arranged between the hydrolysis part and the titration part.

The LCD touch screen adopts a Chinese 7-inch LCD touch screen display, which displays temperature, sample delivery location and sample delivery time in real time, with a friendly interface and simple operation.

The furnace temperature of the built-in heating module of the measuring instrument adopts PID to control the furnace flow, the temperature control accuracy is high, and the service life of the silicon carbon tube is effectively extended.

The heating furnace module adopts an energy-saving ceramic fiber furnace, and the heat preservation and energy saving are remarkable.

The hydrolysis tube is a double-tube structure, which can send two samples at a time, and simultaneously make parallel samples of fluorine and chlorine or the same sample.

The sample delivery mechanism is a spiral stainless steel mechanism, and the sample delivery distance, sample delivery position, and sample delivery speed can be adjusted and set according to process requirements.

The fluoride ion electrode and chloride ion electrode are imported high-precision digital electrodes, which guarantee the accuracy of the experiment.

The control board is a processing control system designed based on FGPA, the heating rate can be adjusted freely, automatic sample delivery, sample output, automatic sealing of rubber plugs, automatic opening of rubber plugs, evaporation time and evaporation can be set freely, Stable steam and long service life.

The titration part has a built-in software setting, and both fluorine and chlorine can be automatically titrated, automatically calculated, and the measurement results are automatically generated, which eliminates the complicated titration and calculation process for users.

Compared with the prior art, the present invention has the advantages of: for the original technology, the manual workload is large, and it takes time and effort to make one sample at a time; the measuring instrument can realize sending two samples at one time, and can make two samples in the same time. samples, thereby improving work efficiency. The measuring instrument is designed based on the high-frequency induction furnace method. The fuel coal is fully mixed with the magnesia combustion enhancer. After fully burning in the high-frequency induction furnace, the solution absorbs the generated flue gas to make an ion solution. The fluorine and chlorine elements in the coal The conversion rate is high, the operation is simple, the interference ions are few, the determination time is short, and the determination result is accurate.

Description of drawings

Fig. 1 is a structural schematic diagram of a fully automatic fluorine and chlorine measuring instrument.

As shown in the figure: 1. Power switch, 2. Indicator light, 3. LCD touch screen, 4. Hydrolysis tube, 5. Air inlet, 6. Sample delivery rod, 7. Sample delivery pole, 8. Flow meter, 9 , steam inlet, 10, sample feeding mechanism, 11, barometer, 12, oxygen cylinder, 13, heating furnace module, 14, control board, 15, peristaltic pump, 16, fluoride ion electrode, 17, chloride ion electrode, 18 , Peristaltic tube.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings.

When the present invention is specifically implemented, a fully automatic fluorine and chlorine measuring instrument includes a hydrolysis part and a titration part, and the hydrolysis part is divided into a power switch 1, an indicator light 2, a liquid crystal touch screen 3, a hydrolysis tube 4, and an air inlet 5 , sample delivery rod 6, sample delivery vertical rod 7, flow meter 8, steam inlet 9, sample delivery mechanism 10, air pressure gauge 11, oxygen cylinder 12, heating furnace module 13, control main board 14, and the described titration part includes peristaltic Pump 15, fluoride ion electrode 16, chloride ion electrode 17, peristaltic tube 18, the power switch 1 is arranged on one end panel of the hydrolysis part of the measuring instrument, and the liquid crystal touch screen 3 is arranged on one end panel of the hydrolysis part of the measuring instrument , the indicator light 2 is arranged on one side of the liquid crystal touch screen 3, the flowmeter 8 is arranged on the lower right corner of the hydrolysis part of the measuring instrument, the hydrolysis tube 4 has two, and is arranged on one side of the hydrolyzing part of the measuring instrument. The air inlet 5 and the steam inlet 9 are arranged on both sides of the hydrolysis pipe 4, the air inlet 5 and the steam inlet 9 are externally connected with flexible pipes, and one end of the sample feeding rod 6 is threaded on the hydrolysis pipe 4, the other end is fastened to the sample delivery pole 7 using screws, one end of the sample delivery pole 7 is welded and fixed to the sample delivery mechanism 10, and the other end of the sample delivery mechanism 10 is connected to the measuring instrument. The top of the oxygen cylinder 12 is provided with a screw valve, and one end of the barometer is screwed with the thread on the valve, and the other end is connected with the measuring instrument by a hose. The heating furnace module 13 adopts an energy-saving ceramic fiber furnace. It is located in the inner area of the measuring instrument, and is electrically connected and controlled with the control board 14 of the measuring instrument. The peristaltic pump 15, the fluoride ion electrode 16, and the chloride ion electrode 17 are all connected to the host computer, and the peristaltic tube 18 is located on the Between the hydrolysis part and the titration part.

The liquid crystal touch screen 3 adopts a Chinese 7-inch liquid crystal touch screen display, which displays temperature, sample delivery position and sample delivery time in real time, with a friendly interface and simple operation.

The furnace temperature of the built-in heating module 13 of the measuring instrument adopts PID to control the furnace flow, the temperature control accuracy is high, and the service life of the silicon carbon tube is effectively extended.

The hydrolysis tube 4 is a double-tube structure, which can send two samples at a time to make parallel samples of fluorine and chlorine or the same sample at the same time.

The sample delivery mechanism 10 is a spiral stainless steel mechanism, and the sample delivery distance, sample delivery position, and sample delivery speed can be adjusted and set according to process requirements.

The fluoride ion electrode 16 and the chloride ion electrode 17 are imported high-precision digital electrodes, which ensure the accuracy of the experiment.

The control board 14 is a processing control system designed based on FGPA, the heating rate can be adjusted freely, automatic sample delivery, sample output, automatic sealing of rubber plugs, automatic opening of rubber plugs, evaporation time and evaporation amount can be freely set , stable steam and long service life.

The titration part has a built-in software setting, and both fluorine and chlorine can be automatically titrated, automatically calculated, and the measurement results are automatically generated, which eliminates the complicated titration and calculation process for users.

The working principle of the present invention: the servo motor inside the measuring instrument drives the linear track and the lead screw to run in forward and reverse directions to realize automatic sample feeding and automatic exit. In the program control, write the motor speed, travel time, residence time, At the stop position, the electronic fumigation device is used inside the tester to emit steam. The receiving liquid device inside the tester is a cylinder made of plexiglass with a knob cover. There is a tube connected to the bottom 5mm from the inside. The connection device of a stopper can insert 2 quartz hydrolysis tubes at the same time, and the double feeding mechanism designed on the right can realize the purpose of sending 2 samples at the same time and double the work efficiency. The requirements are high, especially the 0.05ml of the chloride ion calibration curve is not easy to control, and the inverse function needs to be used in the calculation of the fluoride ion. And write the calculation formula in the computer program, which is convenient for the analyst to operate. The fluoride ion computer program can control the work of the peristaltic pump and record the titration, and at the same time read the millivolt value of the ion meter electrode. The interface shows 1ml, 3ml, 5ml, 7ml, 10ml slope calibration, sample number, sample quality, moisture, data entry, and concentration entry, the calculation formula automatically collects the concentration calculation during calculation, automatically judges the stability of the electrode after starting, and then starts titration, titration to 20- Automatically stop between 40ml and read the final value after stirring for one minute to calculate the fluoride ion result and calculate the dry basis result; the chloride ion computer program can control the work of the peristaltic pump and record the titration, and at the same time read the millivolt value of the ion meter electrode, Interface display, potential calibration, dosage calibration, sample number, sample quality, moisture, data entry, and concentration entry, the calculation formula automatically collects the concentration calculation during calculation, automatically judges the stability of the electrode after startup, and then starts titration, titration to The terminal potential ends automatically, and after stirring for one minute, the final value is read to calculate the chloride ion result and the dry basis result, and the real result can be corrected according to the deviation of the terminal potential.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features, and in the description of the present invention, the meaning of "multiple" is two or two above, unless expressly limited otherwise.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection Or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "below" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is less horizontal than the second feature.

In the description of this specification, reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" etc. means that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be construed as limitations to the present invention. Variations, modifications, substitutions, and modifications to the above-described embodiments are possible within the scope of the present invention.

Claims (7)

1. A full-automatic fluorine and chlorine measuring instrument comprises a hydrolysis part and a titration part, and the hydrolysis part is divided into a power switch (1), an indicator light (2), a liquid crystal touch screen (3), a hydrolysis tube (4), and a Air port (5), sample delivery rod (6), sample delivery vertical rod (7), flow meter (8), steam inlet (9), sample delivery mechanism (10), air pressure gauge (11), oxygen cylinder ( 12), heating furnace module (13), control main board (14), described titration part comprises peristaltic pump (15), fluoride ion electrode (16), chloride ion electrode (17), peristaltic tube (18), described The power switch (1) is arranged on one end panel of the hydrolysis part of the analyzer, the liquid crystal touch screen (3) is arranged on one end panel of the hydrolysis part of the analyzer, and the indicator light (2) is arranged on one end panel of the liquid crystal touch screen (3). side, the flow meter (8) is arranged at the lower right corner of the hydrolysis part of the measuring instrument, and the hydrolysis pipe (4) has two, which are arranged at one side of the hydrolyzing part of the measuring instrument, and the air inlet (5 ) and the steam inlet (9) are located at both sides of the hydrolysis tube (4), and the described air inlet (5) and the steam inlet (9) are externally connected to the flexible pipe, and one end of the described sampling rod (6) is The thread is set in the hydrolysis tube (4), and the other end is tightly connected with the sample feeding vertical rod (7) with screws. One end of the sample feeding vertical rod (7) is welded and fixed with the sample feeding mechanism (10). The other end of (10) is connected in the measuring instrument, and the top of described oxygen bottle (12) is provided with the valve of spiral, and the screw thread on the valve is fastened at one end of the barometer, and is provided between the other end and measuring instrument. hose connection, the heating furnace module (13) adopts an energy-saving ceramic fiber furnace, is located in the inner area of the measuring instrument, and is electrically connected and controlled with the control board (14) of the measuring instrument, and the peristaltic pump (15 ), the fluoride ion electrode (16), and the chloride ion electrode (17) are all connected to each other with the host computer, and the peristaltic tube (18) is located between the hydrolysis part and the titration part. 2. A kind of automatic fluorine and chlorine measuring instrument according to claim 1, is characterized in that: described liquid crystal touch screen (3) adopts Chinese 7 inch liquid crystal touch screen display, displays temperature, sample sending position and sample sending time in real time. 3. A fully automatic fluorine and chlorine measuring instrument according to claim 1, characterized in that: the furnace temperature of the built-in heating module (13) of the measuring instrument adopts PID to control the furnace flow. 4. A fully automatic fluorine and chlorine measuring instrument according to claim 1, characterized in that: the hydrolysis tube (4) is a double-tube structure. 5. A fully automatic fluorine and chlorine measuring instrument according to claim 1, characterized in that: said sample delivery mechanism (10) is a spiral stainless steel mechanism. 6. A fully automatic fluorine and chlorine measuring instrument according to claim 1, characterized in that: said control board (14) is a processing control system designed based on FGPA. 7. A fully automatic fluorine and chlorine measuring instrument according to claim 1, characterized in that: said fluorine ion electrode (16) and chloride ion electrode (17) are imported high-precision digital electrodes.