CN205484380U - Organic matter pH valve measurement system - Google Patents
Organic matter pH valve measurement system Download PDFInfo
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- CN205484380U CN205484380U CN201620047495.8U CN201620047495U CN205484380U CN 205484380 U CN205484380 U CN 205484380U CN 201620047495 U CN201620047495 U CN 201620047495U CN 205484380 U CN205484380 U CN 205484380U
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Abstract
The utility model relates to an organic matter pH valve measurement system, its characterized in that: including sampling unit, extraction unit, measuring unit and operation control and output unit, operation control and output unit control sampling unit are with the extraction unit and monitor measuring unit, connect through the pipeline between sampling unit, extraction unit and the measuring unit, sampling unit is equipped with constant temperature equipment with the extraction unit. The utility model discloses utilize minimum equipment, reliable solution a large amount of artifical could accomplishing of the tasks of original needs, for industrial production provides reliable technical guarantee, saved manpower resources, created economic benefits. In addition the utility model discloses an automatic adoption is measured, has avoided the injury of the volatile organic matter of manual sampling in -process to personnel's health, and the sample can flow back to and collect container recycle moreover, has avoided artifical adoption to the pollution of environment, has saved the material.
Description
Technical field
The present invention relates to chemical production equipment field, be specifically related to a kind of Organic substance pH measurement system.
Background technology
On chemical production device, the measurement of Organic substance acid-base value is manual titration's method, and basic procedure is: samples, extract, titrate, back extraction, then artificial result of calculation.
Illustrate as a example by phosphoric acid titration process: one, sampling, site setup sampler, every 2 ~ 4h manual sampling about 100ml；Two, extraction, extraction agent is pure water 100～150ml, is positioned in constant temperature water box, and controlling temperature is 47 degrees Celsius, poured into materialsing in delivery flask, add 1/3rd of pure water, about 30～40ml, fully shake up, stratification, the extract that lower floor has dissolved phosphoric acid is released in beaker, repeats above procedure three times, completes extraction process；Three, titration, in beaker, three extracts of mixing instill about 1ml C.I. 13020 .-methylene blue mixing indicator solution as indicator, solution becomes pink, then with the microburet titration of NaOH solution titration (0.1ml/ drips) instilling mass concentration 0.01009%g/l, titration limit, limit shakes up, when solution becomes colorless, and titration terminates；Four, back extraction, in order to verify whether thoroughly to be extracted by the phosphoric acid in Organic substance totally, about 30ml pure water will be added through the raffinate solution Organic substance of extraction, after shaking up rear stratification, lower floor's extract is added in the phosphoric acid solution after NaOH titration, if becoming pink again, prove that extraction is the most thorough, then supplementing titration process, the alkali number sum of twice titration is titration results, to guarantee that result is accurate；Five, calculate, read Titration of Alkali liquor capacity, concentration and phosphoric acid ionization constant at 47 DEG C according to microburet scale, calculate acid concentration in extract.
Above-mentioned manual titration's method labor strength is big, and efficiency is low, and chemical plant installations is produced reacting condition not in time, and for partial devices, the change of acid-base value is likely to result in the consequences such as the burn into runaway chemical reactions blast of equipment.
Summary of the invention
For the problems referred to above, the technical problem to be solved is to provide a kind of Organic substance pH measurement system, it is possible to carry out automatic sampling measurement, it is to avoid problem that manual titration exists and the adverse consequences brought.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is, a kind of Organic substance pH measurement system, it is structurally characterized in that, including sampling unit, extraction cells, measuring unit and operation control and output unit, described operation control and output unit control sampling unit and extraction cells and monitor measuring unit, are attached by pipeline between described sampling unit, extraction cells and measuring unit, and described sampling unit and extraction cells are provided with thermostat.
In the present invention, sampling unit is initially injected a certain amount of deionized water, and enters extraction cells by pipeline；Then sampling unit injects a certain amount of tested Organic substance, and enters extraction cells by pipeline；Sampling unit re-injects a certain amount of deionized water, and enters extraction cells by pipeline.So, by sampling unit, deionized water is mixed in extraction cells with two-to-one ratio with tested Organic substance, deionized water and tested Organic substance are stirred mixing, then standing separation by extraction cells, and the aqueous solution having dissolved acid or alkali mixing enters measuring unit.Measuring unit measures, the result measured is transported to operation control and output unit, operation control and the control of output unit completion system and the compensation operation of measurement result, and export 4～20mA current signals while result of calculation being shown on the spot and be used for remotely showing.
Further, described measurement system also includes that sample retracting device, described sample retracting device include collecting container, and described collection container is connected with sampling unit, extraction cells and measuring unit respectively；Described collection container upper end is that opening is arranged, and its opening part is provided with spark arrester.Collection container is set and measuring samples can be carried out recycling, it is to avoid environmental pollution.
The present invention is in sampling and extraction process, volatilization phenomenon can be there is in Organic substance, because the burning-point of partial organic substances is extremely low, the contingencies such as Organic substance is directly discharged in air if sampling unit and extraction cells are left, possible initiation fire, so sampling unit and extraction cells are connected to collect container by pipeline, volatile Organic substance is collected in collection container, be discharged into again in air via spark arrester.And measuring unit be connected to collect container be measuring samples is measured after be exhausted directly to collect in container and recycle.In addition all processes of the present invention are carried out the most at ambient pressure, so sampling unit and extraction cells are connected to collect container, and collection container upper end are done opening setting, it is ensured that sampling unit and the condition of normal pressure of extraction cells.
Further, described sampling unit includes hopper, described hopper is provided with charging aperture and discharging opening, described charging aperture connects the first pipeline and the second pipeline, described discharging opening is then connected to extraction cells by the 3rd pipeline, described first pipeline is provided with the first needle valve and the first electromagnetic valve, and described second pipeline is provided with the second needle valve and the second electromagnetic valve, and described 3rd pipeline is provided with the 3rd electromagnetic valve.
Further, described hopper top is provided with liquidometer, and described liquidometer installation site carries out undergauge setting, and described hopper upper end is connected with collecting container by pipeline.Volatile organic matter will enter in collection container.
The main task of sampling unit has been deionized water and tested organic quantitative sampling, wherein the first pipeline and the second pipeline are respectively deionized water pipeline and tested Organic substance pipeline, and it controls deionized water and tested organic circulation by the first needle valve, the second needle valve, the first electromagnetic valve and the second electromagnetic valve respectively.Deionized water and tested organic paced work is completed by liquidometer, it is possible to complete paced work by flow switch in this unit.
Further, described extraction cells includes that agitator and separator, described agitator are provided with stirring motor, and described stirring motor connects and control shaft, and described agitator upper end is connected to collect container by pipeline；Described agitator top connects the 3rd pipeline, and bottom is connected to separator by the 4th pipeline, and described 4th pipeline is provided with the 4th electromagnetic valve.
Further, described separator upper end is connected to collect container by the 6th pipeline, and bottom is then connected to measuring unit by the 5th pipeline, described separator is additionally provided with a temperature measuring set；The caliber of described 5th pipeline and the 6th pipeline is less than the caliber of the 4th pipeline.The caliber of the 5th pipeline and the 6th pipeline carries out reducing and is disposed to ensure the standing separation of solution in separator.
After deionized water and tested Organic substance enter extraction cells after quantitative sampling, it is sufficiently stirred for dissolving through agitator, subsequently into separator, low-density Organic substance flows out from separator top, enter and collect container, the aqueous solution having dissolved acid or alkali enters measuring unit through bottom, and then completes extraction process.
Further, described hopper and agitator are provided with thermostat, and described thermostat uses hotwater tracing or electric tracing.Because medium temperature can affect acid or the alkali dissolubility in water, for weak acid such as phosphoric acid, degree of ionization at different temperatures is the most different, also can affect measurement result, so will be to sample constant temperature to 45～55 DEG C, it is ensured that measurement result is stable, accurate.For different field conditions, if there is relative constant-temperature hot water at scene, can using hotwater tracing, if not satisfying the requirements, can use electric tracing, design temperature is at 45 DEG C.
Further, described measuring unit includes measuring cell, and described measuring cell one end connects the 5th pipeline, and the other end then is connected to collect container by pipeline, and described measuring cell is provided with pH measuring instrument.Solution after extraction enters measuring unit, completes to measure in measuring cell, and waste liquid enters collects container, completes measurement process.
For ensureing that in separator, the separating interface of Light ends solution and heavy component solution is in the middle of separator, the difference of the distance that the position that measuring cell can be connected to collection container is connected the position collecting container with the 6th pipeline is configured, the computational methods of the difference arranging distance are: Light ends solution is multiplied by separator length with the difference of the density of heavy component solution, then divided by Light ends container density.
Further, described operation control and output unit include controller and touch screen, and described controller controls sampling unit and extraction cells, and obtains metrical information from measuring unit, and described touch screen then compensates coefficient setting and operation result shows.
Further, described controller gathers the signal that liquidometer, temperature measuring set and pH measuring instrument are transmitted, and passes through programme-control the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve and the break-make of the 4th electromagnetic valve of gathered signal and controller inner setting and control startup and the closedown of stirring motor.
Operation control and output unit mainly complete the control of whole system and the compensation calculation of measurement result, measurement result are shown on the touchscreen, and are converted into 4～20mA current signal outputs.Operation control and output unit also include start button and display lamp, and start button controls the startup of whole system, and display lamp is used for showing the duty of measurement system.
When the present invention comes into operation, press start button, display lamp is lighted, and the first electromagnetic valve, the 3rd electromagnetic valve and the 4th electromagnetic valve will be opened, system water-filling, after 30s, first closed electromagnetic valve, after 60s, the 3rd electromagnetic valve and the 4th closed electromagnetic valve, complete instrument measurement preparation, enter and measure circulation:
The first step: the first electromagnetic valve is opened, hopper enters ionized water, and liquid level raises, and when water level arrives liquidometer position, liquidometer is to controller output signal, if the signal persistent period is more than 1s, then it is assumed that add water end for the first time, then close the first electromagnetic valve；Then opening the 3rd electromagnetic valve, start discharge opeing and enter agitator, after 60s, draining terminates, and closes the 3rd electromagnetic valve.
Second step: after the 3rd closed electromagnetic valve, controller sends instruction to the second electromagnetic valve makes the second electromagnetic valve open, tested Organic substance enters hopper, when liquid level arrives liquidometer position, liquidometer outputs signals to controller, if this signal duration is more than 1s, then it is assumed that charging terminates, then close the second electromagnetic valve；Then opening the 3rd electromagnetic valve, start discharge opeing and enter agitator, after 80s, discharge opeing terminates, and closes the 3rd electromagnetic valve.
3rd step: after the 3rd electromagnetic valve second time is closed, controller sends instruction to the first electromagnetic valve makes the first electromagnetic valve open, and hopper is entered ionized water again, water level arrives liquidometer position, liquidometer outputs signals to controller, if this signal duration is more than 1s, then it is assumed that add water end for the second time, then close the first electromagnetic valve, open the 3rd electromagnetic valve, be again drained into agitator, after 60s, draining terminates, and closes the 3rd electromagnetic valve.
4th step: deionized water mixes with the ratio of 2:1 with tested Organic substance, controller sends instruction to stirring motor, starts blender, after 2.5min, stirring terminates, the two is sufficiently mixed, and opens the 4th electromagnetic valve, and mixture is discharged into separator, after 5min, discharge terminates, the 4th closed electromagnetic valve, and its shutdown signal triggers simultaneously and circulates next time.
Because the static pressure of water and measured medium is different, one can be measured and slightly affect cycle time, typically can complete one-shot measurement at about 12min.
The present invention utilizes minimum equipment, solves original needing and the most just completing of task reliably, provides reliable technical guarantee for commercial production, save human resources, create economic benefit.In addition present invention achieves and automatically use measurement, it is to avoid the Organic substance of the volatilization injury to personnel's health during artificial sample, and sample can be back to collect container recycles, it is to avoid the artificial employing pollution to environment, save material.
Accompanying drawing explanation
Fig. 1 is present configuration block diagram.
Fig. 2 is sampling unit structural representation of the present invention.
Fig. 3 is extraction cells structural representation of the present invention.
Fig. 4 is operation control of the present invention and output unit structured flowchart.
Fig. 5 is operation control of the present invention and output unit circuit diagram.
Fig. 6 is overall structure schematic diagram of the present invention.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being reached purpose and effect, the most hereby enumerate embodiment and coordinate accompanying drawing to be explained in detail.
With reference to the structured flowchart shown in Fig. 1, one Organic substance pH measurement system of the present invention, including sampling unit 1, extraction cells 2, measuring unit 3 and operation control and output unit 4, wherein, operation control and output unit 4 control sampling unit 1 and extraction cells 2 and monitor measuring unit 3, being attached by pipeline 7 between sampling unit 1, extraction cells 2 and measuring unit 3, sampling unit 1 and extraction cells 2 are provided with thermostat 5.This measurement system also includes sample retracting device 6, and it includes collecting container 61, collects container 61 and is connected with sampling unit 1, extraction cells 2 and measuring unit 3 respectively.
In the present invention, sampling unit 1 is initially injected a certain amount of deionized water, and enters extraction cells 2 by pipeline 7；Then sampling unit 1 injects a certain amount of tested Organic substance, and enters extraction cells 2 by pipeline 7；Sampling unit 1 re-injects a certain amount of deionized water, and enters extraction cells 2 by pipeline 7.So, by sampling unit 1, deionized water is mixed in extraction cells 2 with two-to-one ratio with tested Organic substance, deionized water and tested Organic substance are stirred mixing, then standing separation by extraction cells 2, and the aqueous solution having dissolved acid or alkali mixing enters measuring unit 3.Measuring unit 3 measures, the result measured is transported to operation control and output unit 4, operation control and the control of output unit 4 completion system and the compensation operation of measurement result, and export 4～20mA current signals while result of calculation being shown and be used for remotely showing.
With reference to shown in Fig. 2 and Fig. 6, collecting container 61 upper end is that opening is arranged, and its opening part is provided with spark arrester 62.Collection container 61 is set and measuring samples can be carried out recycling, it is to avoid environmental pollution.The present invention is in sampling and extraction process, volatilization phenomenon can be there is in Organic substance, because the burning-point of partial organic substances is extremely low, the contingencies such as Organic substance is directly discharged in air if sampling unit 1 and extraction cells 2 are left, possible initiation fire, so sampling unit 1 and extraction cells 2 are connected to collect container 61 by pipeline 7, volatile Organic substance is collected in collection container 61, be discharged into again in air via spark arrester 62.And measuring unit 3 be connected to collect container 61 be measuring samples is measured after be exhausted directly to collect in container 61 and recycle.In addition all processes of the present invention are carried out the most at ambient pressure, so sampling unit 1 and extraction cells 2 are connected to collect container 61, and collection container 61 upper end are done opening setting, it is ensured that sampling unit 1 and the condition of normal pressure of extraction cells 2.
With reference to Fig. 2 and combine shown in Fig. 6, sampling unit 1 includes hopper 11, hopper 11 is provided with charging aperture and discharging opening, charging aperture connects the first pipeline 71 and the second pipeline 72, discharging opening is then connected to extraction cells 2 by the 3rd pipeline 73, first pipeline 71 is provided with the first needle valve 712 and the first electromagnetic valve 711, and the second pipeline 72 is provided with the second needle valve 722 and the second electromagnetic valve 721, and the 3rd pipeline 73 is provided with the 3rd electromagnetic valve 731.Being provided with liquidometer 12 on hopper 11 top, this liquidometer 12 installation site carries out undergauge setting, and hopper 11 upper end is connected with collecting container 61 by pipeline 7.Volatile organic matter will enter in collection container 61.
With reference to Fig. 3 and combine shown in Fig. 6, extraction cells 2 includes agitator 21 and separator 22, and agitator 21 is provided with stirring motor 211, and stirring motor 211 connects and control shaft 212, and agitator 21 upper end is connected to collect container 61 by pipeline 7；Agitator 21 top connects the 3rd pipeline 73, and bottom is connected to separator 22 by the 4th pipeline 74, and the 4th pipeline 74 is provided with the 4th electromagnetic valve 741.Above-mentioned separator 22 upper end is connected to collect container 61 by the 6th pipeline 76, and bottom is then connected to measuring unit 3 by the 5th pipeline 75, is additionally provided with a temperature measuring set 23 on separator 22；The caliber of the 5th pipeline 75 and the 6th pipeline 76 is less than the caliber of the 4th pipeline 74.The caliber of the 5th pipeline 75 and the 6th pipeline 76 carries out reducing and is disposed to ensure the standing separation of solution in separator 22.
With reference to shown in Fig. 5, measuring unit 3 includes measuring cell 31, and measuring cell 31 one end connects the 5th pipeline 75, and the other end then is connected to collect container 61 by pipeline 7, is provided with pH measuring instrument 32 on measuring cell 31.
With reference to shown in Fig. 4 and Fig. 5, operation control and output unit 4 include controller 41, touch screen 42, start button 43 and display lamp 44, start button 43 controls the startup of whole system, and display lamp 44 is used for showing the duty of measurement system, controller 41 controls sampling unit 1 and extraction cells 2, and obtaining metrical information from measuring unit 3, touch screen 42 then compensates coefficient setting and operation result shows.The signal that controller 41 gathers liquidometer 12, temperature measuring set 23 and pH measuring instrument 32 is transmitted, and pass through programme-control the first electromagnetic valve the 711, second electromagnetic valve the 721, the 3rd electromagnetic valve 731 of gathered signal and controller 41 inner setting and the break-make of the 4th electromagnetic valve 741 and control startup and the closedown of stirring motor 211.
The main task of sampling unit 1 has been deionized water and tested organic quantitative sampling, wherein the first pipeline 71 and the second pipeline 72 are respectively deionized water pipeline and tested Organic substance pipeline, and it controls deionized water and tested organic circulation by first needle valve the 712, second needle valve the 722, first electromagnetic valve 711 and the second electromagnetic valve 721 respectively.Deionized water and tested organic paced work is completed by liquidometer 12, it is possible to complete paced work by flow switch in this unit.
After deionized water and tested Organic substance enter extraction cells 2 after quantitative sampling, it is sufficiently stirred for dissolving through agitator 21, subsequently into separator 22, low-density Organic substance flows out from separator top, enter and collect container 61, the aqueous solution having dissolved acid or alkali enters measuring unit 3 through bottom, and then completes extraction process.
Solution after extraction enters measuring unit 3, completes to measure in measuring cell 31, and waste liquid enters collects container 61, completes measurement process.Certain deviation can be there is in the data that pH measuring instrument 32 is measured, so the result that in measuring unit 3, pH measuring instrument 32 is measured not is tested organic true acid-base value, there is certain deviation, at this moment the result that pH measuring instrument 32 in measuring unit 3 is measured will be sent to operation control and output unit 4 by system, by showing on touch screen 42 by tested organic actual acid-base value after the compensation operation of this unit, the result of display is that the result measured of pH measuring instrument 32 is plus penalty coefficient.
With continued reference to shown in Fig. 6, being provided with thermostat 5 on hopper 11 and agitator 21, this thermostat 5 uses hotwater tracing or electric tracing.Because medium temperature can affect acid or the alkali dissolubility in water, for weak acid such as phosphoric acid, degree of ionization at different temperatures is the most different, also can affect measurement result, so will be to sample constant temperature to 45～55 DEG C, it is ensured that measurement result is stable, accurate.For different field conditions, if there is relative constant-temperature hot water at scene, can using hotwater tracing, if not satisfying the requirements, can use electric tracing, design temperature is at 45 DEG C.
In order to make measurement result more accurate, the Organic substance that acid-base value is different selects the pH measuring instrument 32 of different range when carrying out, and the penalty coefficient of different pH measuring instruments 32 can be different, the present invention is in use, first pH measuring instrument 32 is selected, then the penalty coefficient of system is set on touch screen 42 according to selected pH measuring instrument 32, then opens the first needle valve 712 and the second needle valve 722, finally press start button 43 whole system and will start working.
After pressing start button 43, the workflow of the present invention is as follows:
Press start button 43, display lamp 44 is lighted, first electromagnetic valve the 711, the 3rd electromagnetic valve 731 and the 4th electromagnetic valve 741 will be opened, system water-filling, after 30s, the first electromagnetic valve 711 cuts out, after 60s, 3rd electromagnetic valve 731 and the 4th electromagnetic valve 741 are closed, and finishing device measures preparation, enter and measure circulation:
The first step: the first electromagnetic valve 711 is opened, hopper 11 enters ionized water, and liquid level raises, when water level arrives liquidometer 12 position, liquidometer 12 is to controller 41 output signal, if the signal persistent period is more than 1s, then think the end that adds water for the first time, then close the first electromagnetic valve 711；Then opening the 3rd electromagnetic valve 731, start discharge opeing and enter agitator 21, after 60s, draining terminates, and closes the 3rd electromagnetic valve 731.
Second step: after the 3rd electromagnetic valve 731 cuts out, controller 41 sends instruction to the second electromagnetic valve 721 makes the second electromagnetic valve 721 open, tested Organic substance enters hopper 11, when liquid level arrives liquidometer 12 position, liquidometer 12 outputs signals to controller 41, if this signal duration is more than 1s, then it is assumed that charging terminates, then close the second electromagnetic valve 721；Then opening the 3rd electromagnetic valve 731, start discharge opeing and enter agitator 21, after 80s, discharge opeing terminates, and closes the 3rd electromagnetic valve 731.
3rd step: after the 3rd electromagnetic valve 731 second time is closed, controller 41 sends instruction to the first electromagnetic valve 711 makes the first electromagnetic valve 711 open, and hopper 11 is entered ionized water again, water level arrives liquidometer 12 position, liquidometer 12 outputs signals to controller 41, if this signal duration is more than 1s, then it is assumed that add water end for the second time, then close the first electromagnetic valve 711, open the 3rd electromagnetic valve 731, be again drained into agitator 21, after 60s, draining terminates, and closes the 3rd electromagnetic valve 731.
4th step: deionized water mixes with the ratio of 2:1 with tested Organic substance, controller 41 sends instruction to stirring motor 211, starts blender 21, and after 2.5min, stirring terminates, and the two is sufficiently mixed；Opening the 4th electromagnetic valve 741, mixture is discharged into separator 22, and low-density Organic substance flows out from separator top, enters and collects container 61, and the aqueous solution having dissolved acid or alkali measures work through bottom entrance measuring unit 3；After 5min, discharge terminates, and the 4th electromagnetic valve 741 cuts out, and its shutdown signal triggers simultaneously and circulates next time.
Because the static pressure of water and measured medium is different, one can be measured and slightly affect cycle time, typically can complete one-shot measurement at about 12min.
It is low that organic density has height to have, and makes to be less than what sour or aqueous alkali density designed with Organic substance density in above-described embodiment.And when Organic substance density is more than the density of acid or aqueous alkali, measuring cell 31 and pH measuring instrument 32 arrange on the 6th pipeline 76, the most highdensity Organic substance flows into from the 5th pipeline 75 and collects container 61, has dissolved the aqueous solution of acid or alkali and has then entered measuring cell 31 and then enter in collection container 61.
In sum, only the preferred embodiments of the invention, do not limit protection scope of the present invention with this, all equivalence changes made according to the scope of the claims of the present invention and description with modify, be all within the scope of patent of the present invention contains.
Claims (9)
1. an Organic substance pH measurement system, it is characterized in that: include sampling unit (1), extraction cells (2), measuring unit (3) and operation control and output unit (4), described operation control and output unit (4) control sampling unit (1) and extraction cells (2) and monitor measuring unit (3), being attached by pipeline (7) between described sampling unit (1), extraction cells (2) and measuring unit (3), described sampling unit (1) and extraction cells (2) are provided with thermostat (5).
A kind of Organic substance pH measurement system the most according to claim 1, it is characterized in that: described measurement system also includes sample retracting device (6), described sample retracting device (6) includes collecting container (61), and described collection container (61) is connected with sampling unit (1), extraction cells (2) and measuring unit (3) respectively；Described collection container (61) upper end is that opening is arranged, and its opening part is provided with spark arrester (62).
A kind of Organic substance pH measurement system the most according to claim 1, it is characterized in that: described sampling unit (1) includes hopper (11), described hopper (11) is provided with charging aperture and discharging opening, described charging aperture connects the first pipeline (71) and the second pipeline (72), described discharging opening is then connected to extraction cells (2) by the 3rd pipeline (73), described first pipeline (71) is provided with the first needle valve (712) and the first electromagnetic valve (711), described second pipeline (72) is provided with the second needle valve (722) and the second electromagnetic valve (721), described 3rd pipeline (73) is provided with the 3rd electromagnetic valve (731).
A kind of Organic substance pH measurement system the most according to claim 3, it is characterized in that: described hopper (11) top is provided with liquidometer (12), described liquidometer (12) installation site carries out undergauge setting, and described hopper (11) upper end is connected with collecting container (61) by pipeline (7).
A kind of Organic substance pH measurement system the most according to claim 3, it is characterized in that: described extraction cells (2) includes agitator (21) and separator (22), described agitator (21) is provided with stirring motor (211), described stirring motor (211) connects and controls shaft (212), and described agitator (21) upper end is connected to collect container (61) by pipeline (7)；Described agitator (21) top connects the 3rd pipeline (73), and bottom is connected to separator (22) by the 4th pipeline (74), and described 4th pipeline (74) is provided with the 4th electromagnetic valve (741).
A kind of Organic substance pH measurement system the most according to claim 5, it is characterized in that: described separator (22) upper end is connected to collect container (61) by the 6th pipeline (76), bottom is then connected to measuring unit (3) by the 5th pipeline (75), and described separator (22) is additionally provided with a temperature measuring set (23)；The caliber of described 5th pipeline (75) and the 6th pipeline (76) is less than the caliber of the 4th pipeline (74).
A kind of Organic substance pH measurement system the most according to claim 5, it is characterised in that: described hopper (11) and agitator (21) are provided with thermostat (5), and described thermostat (5) uses hotwater tracing or electric tracing.
A kind of Organic substance pH measurement system the most according to claim 5, it is characterized in that: described measuring unit (3) includes measuring cell (31), described measuring cell (31) one end connects the 5th pipeline (75), the other end then is connected to collect container (61) by pipeline (7), and described measuring cell (31) is provided with pH measuring instrument (32).
A kind of Organic substance pH measurement system the most according to claim 1, it is characterized in that: described operation control and output unit (4) include controller (41) and touch screen (42), described controller (41) controls sampling unit (1) and extraction cells (2), and obtaining metrical information from measuring unit (3), described touch screen (42) then compensates coefficient setting and operation result shows.
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| CN201620047495.8U CN205484380U (en) | 2016-01-19 | 2016-01-19 | Organic matter pH valve measurement system |
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| CN201620047495.8U CN205484380U (en) | 2016-01-19 | 2016-01-19 | Organic matter pH valve measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105842465A (en) * | 2016-01-19 | 2016-08-10 | 萧曜君 | Organic matter pH measurement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105842465A (en) * | 2016-01-19 | 2016-08-10 | 萧曜君 | Organic matter pH measurement system |
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