CN105842465B - A kind of organic matter pH measurement system - Google Patents
A kind of organic matter pH measurement system Download PDFInfo
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- CN105842465B CN105842465B CN201610032720.5A CN201610032720A CN105842465B CN 105842465 B CN105842465 B CN 105842465B CN 201610032720 A CN201610032720 A CN 201610032720A CN 105842465 B CN105842465 B CN 105842465B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The present invention relates to a kind of organic matter pH measurement system, it is characterised in that：Including sampling unit, extraction cells, measuring unit and operation control and output unit, the operation control and output unit control sampling unit and extraction cells simultaneously monitor measuring unit, it is attached between the sampling unit, extraction cells and measuring unit by pipeline, the sampling unit and extraction cells are provided with thermostat.The present invention utilizes minimum equipment, reliably solves a large amount of artificial could completing for the tasks of original needs, provides reliable technical guarantee for industrial production, save human resources, create economic benefit.In addition the present invention realizes automatic using measurement, avoids injury of the organic matter to be volatilized during artificial sample to personnel's body, and sample can be back to collection vessel recycling, avoid the artificial pollution using to environment, save material.
Description
Technical field
The present invention relates to chemical production equipment field, and in particular to a kind of organic matter pH measurement system.
Background technology
On chemical production device, the measurement of organic matter acid-base value is manual titration's method, and basic procedure is：Sample, extract,
Titration, it is stripped, then artificial result of calculation.
Illustrate by taking phosphoric acid titration process as an example：First, sample, site setup sampler, every 2 ~ 4h manual samplings 100ml is left
It is right；2nd, extract, extraction agent is 100~150ml of pure water, is positioned in constant temperature water box, and it is 47 degrees Celsius to control temperature, will
Materials and pour into delivery flask, add 1/3rd of pure water, about 30~40ml, fully shake up, stratification, lower floor is dissolved
The extract of phosphoric acid is released in beaker, repeats above procedure three times, completes extraction process；3rd, titrate, mixed into beaker
Extract three times instill about 1ml methyl reds-methylene blue mixing indicator solution as indicator, solution is changed into pink, so
Titrated afterwards with the NaOH solution for instilling mass concentration 0.01009%g/l（0.1ml/ drops）Microburet titration, while titration while
Shake up, when solution becomes colorless, titration terminates；4th, it is stripped, in order to verify whether that thoroughly extraction is dry by the phosphoric acid in organic matter
Only, the raffinate solution organic matter by extraction is added into 30ml or so pure water, after shaking up rear stratification, by lower floor's extract
Add in the phosphoric acid solution after NaOH titration, if becoming pink again, it was demonstrated that extraction is not thorough, then supplements titration process, twice
The alkali number sum of titration is titration results, to ensure that result is accurate；5th, calculate, Titration of Alkali is read according to microburet scale
The dissociation constant of liquor capacity, concentration and phosphoric acid at 47 DEG C, calculates acid concentration in extract.
Above-mentioned manual titration's method labor strength is big, and efficiency is low, and reacting condition is produced not in time to chemical plant installations, right
In 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.
The content of the invention
In view of the above-mentioned problems, the technical problems to be solved by the invention are to provide a kind of organic matter pH measurement system,
Automatic sampling measurement, the adverse consequences for avoiding the problem of manual titration is present and bringing can be carried out.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is a kind of organic matter pH measurement system,
It is structurally characterized in that, including sampling unit, extraction cells, measuring unit and operation control and output unit, the operation control
And output unit controls sampling unit and extraction cells and monitors measuring unit, the sampling unit, extraction cells and measurement
It is attached between unit by pipeline, the sampling unit and extraction cells are provided with thermostat.
Sampling unit is initially injected a certain amount of deionized water in the present invention, and is discharged into extraction cells by pipeline；Then
Sampling unit injects a certain amount of tested organic matter, and is discharged into extraction cells by pipeline；Sampling unit re-injects a certain amount of
Deionized water, and extraction cells are discharged into by pipeline.So, by sampling unit by deionized water and tested organic matter with two
Ratio than one is mixed in extraction cells, and deionized water and tested organic matter are stirred mixing, then stood by extraction cells
Separation, the aqueous solution for having dissolved acid or alkali mixing enter measuring unit.Measuring unit measures, and the result of measurement is transported to fortune
Control and output unit are calculated, operation control and output unit complete the control of system and the compensation operation of measurement result, and will meter
Calculate and 4~20mA current signals are exported while result is shown on the spot for remotely showing.
Further, the measuring system also includes sample retracting device, and the sample retracting device includes collection vessel,
The collection vessel is connected with sampling unit, extraction cells and measuring unit respectively；The collection vessel upper end sets for opening
Put, its opening is provided with spark arrester.Set collection vessel measurement sample can be carried out into recycling, avoid environmental pollution.
The present invention is being sampled with extraction process, and organic matter can have volatilization phenomenon, because the burning-point of partial organic substances is extremely low,
Sampling unit and extraction cells may trigger the contingencies such as fire if organic matter of leaving is directly discharged in air, so taking
Sample unit and extraction cells are connected to collection vessel by pipeline, and volatile organic matter is collected into collection vessel, via
Spark arrester is discharged into air again.And it is that will be exhausted directly to collect after measurement sample measurement to hold that measuring unit, which is connected to collection vessel,
Recycled in device.In addition all processes of the invention are carried out at ambient pressure, so sampling unit and extraction cells connect
Collection vessel is connected to, and opening is done into collection vessel upper end and set, ensure that the condition of normal pressure of sampling unit and extraction cells.
Further, the sampling unit includes hopper, and the hopper is provided with charging aperture and discharging opening, it is described enter
Material mouth connects the first pipeline and the second pipeline, and the discharging opening is then connected to extraction cells, first pipe by the 3rd pipeline
Road is provided with the first needle valve and the first magnetic valve, and second pipeline is provided with the second needle valve and second solenoid valve, and described
Three pipelines are provided with the 3rd magnetic valve.
Further, the hopper top is provided with liquid level gauge, and the liquid level gauge installation site carries out undergauge setting, described
Hopper upper end is connected by pipeline with collection vessel.Volatile organic matter will enter in collection vessel.
The main task of sampling unit is to complete the quantitative sampling of deionized water and tested organic matter, wherein the first pipeline and
Second pipeline is respectively deionized water pipeline and tested organic matter pipeline, and it passes through the first needle valve, the second needle valve, respectively
One magnetic valve and second solenoid valve control the circulation of deionized water and tested organic matter.By liquid level gauge come complete in this unit
Into deionized water and the paced work of tested organic matter, also paced work can be completed by flow switch.
Further, the extraction cells include agitator and separator, and the agitator is provided with stirring motor, described
Stirring motor connects and controls agitating shaft, and the agitator upper end is connected to collection vessel by pipeline；The agitator top
The 3rd pipeline is connected, bottom is connected to separator by the 4th pipeline, and the 4th pipeline is provided with the 4th magnetic valve.
Further, the separator upper end is connected to collection vessel by the 6th pipeline, and bottom then passes through the 5th pipeline
Measuring unit is connected to, a temperature measuring set is additionally provided with the separator；The caliber of 5th pipeline and the 6th pipeline is small
In the caliber of the 4th pipeline.It is to ensure solution in separator that the caliber of 5th pipeline and the 6th pipeline, which reduce and set,
Standing separation.
After deionized water and tested organic matter enter extraction cells after quantitative sampling, it is sufficiently stirred by agitator molten
Solution, subsequently into separator, the organic matter of low-density flows out from separator top, into collection vessel, has dissolved sour or alkali
The aqueous solution enters measuring unit through bottom, and then completes extraction process.
Further, the hopper and agitator are provided with thermostat, the thermostat using hotwater tracing or
Electric tracing.Because medium temperature can influence the solubility of acid or alkali in water, for the weak acid such as phosphoric acid, electricity at different temperatures
It is also different from degree, measurement result can be also influenceed, so will be to sample constant temperature to 45~55 DEG C, it is ensured that measurement result is stable, accurate
Really.For different field conditions, if there is relative constant-temperature hot water at scene, hotwater tracing can be used, if not satisfying the requirements, can be adopted
With electric tracing, design temperature is at 45 DEG C.
Further, the measuring unit includes measuring cell, and described measuring cell one end connects the 5th pipeline, and the other end then leads to
Cross pipeline and be connected to collection vessel, the measuring cell is provided with PH measuring instruments.Solution after extraction enters measuring unit, is surveying
Measure and measurement is completed in pond, waste liquid enters collection vessel, completes measurement process.
, can be to surveying to ensure that the separating interface of Light ends solution and heavy component solution is among separator in separator
The difference of distance for the position that amount pond is connected to the position of collection vessel and the 6th pipeline is connected collection vessel is configured, set away from
It is from its poor computational methods：The difference of the density of Light ends solution and heavy component solution is multiplied by separator length, then divided by light group
Part solution density.
Further, the operation control and output unit include controller and touch-screen, the controller control sampling
Unit and extraction cells, and metrical information is obtained from measuring unit, the touch-screen then compensates coefficient setting and computing
As a result show.
Further, the signal that the controller collection liquid level gauge, temperature measuring set and PH measuring instruments are transmitted, and pass through
Signal and the magnetic valve of programme-control first of controller inner setting, second solenoid valve, the 3rd magnetic valve and gathered
The break-make of four magnetic valves and the startup and closing for controlling stirring motor.
Operation control and output unit mainly complete the control of whole system and the compensation calculation of measurement result, and measurement is tied
Fruit shows on the touchscreen, and is converted into the output of 4~20mA current signals.Operation control and output unit also include start button
And indicator lamp, start button controls the startup of whole system, and indicator lamp is used for showing the working condition of measuring system.
When the present invention comes into operation, start button is pressed, indicator lamp is lighted, the first magnetic valve, the 3rd magnetic valve and the 4th
Magnetic valve will be opened, system water-filling, after 30s, the first closed electromagnetic valve, and after 60s, the 3rd magnetic valve and the 4th closed electromagnetic valve,
Instrument measurement preparation is completed, is circulated into measurement：
The first step：First magnetic valve is opened, and hopper enters deionized water, liquid level rise, when water level reaches liquid level gauge position,
Liquid level gauge is to controller output signal, if the signal duration is more than 1s, then it is assumed that for the first time plus water terminates, then closes the first electricity
Magnet valve；Then the 3rd magnetic valve is opened, starts discharge opeing and enters agitator, after 60s, draining terminates, the 3rd magnetic valve of closing.
Second step：After 3rd closed electromagnetic valve, controller sends instruction to second solenoid valve opens second solenoid valve, quilt
Survey organic matter and enter hopper, when liquid level reaches liquid level gauge position, liquid level gauge outputs signals to controller, the signal duration
If it is more than 1s, then it is assumed that charging terminates, then closes second solenoid valve；Then the 3rd magnetic valve is opened, starts discharge opeing and enters stirring
Device, after 80s, discharge opeing terminates, and closes the 3rd magnetic valve.
3rd step：After 3rd magnetic valve, second of closing, controller sends instruction to the first magnetic valve makes the first magnetic valve
Open, hopper enters deionized water again, and water level reaches liquid level gauge position, and liquid level gauge outputs signals to controller, and the signal is held
If the continuous time is more than 1s, then it is assumed that for the second time plus water terminates, then closes the first magnetic valve, opens the 3rd magnetic valve, again draining
Into agitator, after 60s, draining terminates, and closes the 3rd magnetic valve.
4th step：Deionized water is with tested organic matter with 2:1 ratio mixing, controller send instruction to stirring motor,
Starting mixer, after 2.5min, stirring terminates, and the two is sufficiently mixed, and opens the 4th magnetic valve, and mixture is discharged into separator,
After 5min, discharge terminates, the 4th closed electromagnetic valve, and its shutdown signal is triggered and circulated next time simultaneously.
Because the static pressure of water and measured medium is different, a measurement period time can slightly be influenceed, typically can be in 12min
Complete one-shot measurement in left and right.
The present invention utilizes minimum equipment, reliably solves a large amount of artificial could completing for the tasks of original needs, is work
Industry production provides reliable technical guarantee, saves human resources, creates economic benefit.In addition the present invention realizes automatically
Using measurement, injury of the organic matter to be volatilized during artificial sample to personnel's body is avoided, and sample can be back to
Collection vessel recycles, and avoids the artificial pollution using to environment, saves material.
Brief description of the drawings
Fig. 1 is structured flowchart of the present invention.
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 diagram of the present invention.
Embodiment
To describe technology contents, construction feature, institute's reached purpose and effect of the present invention in detail, embodiment is hereby enumerated below
And accompanying drawing is coordinated to be explained in detail.
Structured flowchart shown in reference picture 1, a kind of organic matter pH measurement system of the present invention, including sampling unit 1, extraction
Unit 2, measuring unit 3 and operation control and output unit 4 are taken, wherein, operation control and output unit 4 control sampling unit 1
With extraction cells 2 and monitor measuring unit 3, carried out between sampling unit 1, extraction cells 2 and measuring unit 3 by pipeline 7
Connection, sampling unit 1 and extraction cells 2 are provided with thermostat 5.The measuring system also includes sample retracting device 6, and it includes receiving
Collect container 61, collection vessel 61 is connected with sampling unit 1, extraction cells 2 and measuring unit 3 respectively.
Sampling unit 1 is initially injected a certain amount of deionized water in the present invention, and is discharged into extraction cells 2 by pipeline 7；Connect
Sampling unit 1 and inject a certain amount of tested organic matter, and extraction cells 2 are discharged into by pipeline 7；Sampling unit 1 re-injects
A certain amount of deionized water, and extraction cells 2 are discharged into by pipeline 7.So, by deionized water and it is tested by sampling unit 1
Organic matter is mixed with two-to-one ratio in extraction cells 2, and deionized water and tested organic matter are stirred mixed by extraction cells 2
Close, then standing separation, the aqueous solution for having dissolved acid or alkali mixing enters measuring unit 3.Measuring unit 3 measures, measurement
Result be transported to operation control and output unit 4, operation control and output unit 4 complete control and the measurement result of system
Compensation operation, and 4~20mA current signals are exported while result of calculation is shown and are used to remotely show.
Shown in reference picture 2 and Fig. 6, the upper end of collection vessel 61 is that opening is set, and its opening is provided with spark arrester 62.Set and receive
Recycling can be carried out by measurement sample by collecting container 61, avoid environmental pollution.The present invention is organic in sampling and extraction process
Thing can have volatilization phenomenon, and because the burning-point of partial organic substances is extremely low, if sampling unit 1 and extraction cells 2 are left, organic matter is direct
The contingencies such as fire may then be triggered by being discharged into air, so sampling unit 1 and extraction cells 2 are connected to by pipeline 7
Collection vessel 61, volatile organic matter is collected into collection vessel 61, be discharged into again in air via spark arrester 62.And survey
It is to be exhausted directly to be recycled in collection vessel 61 after measurement sample measurement that amount unit 3, which is connected to collection vessel 61,.This
What outer all processes of the present invention were carried out at ambient pressure, so sampling unit 1 and extraction cells 2 are connected to collection vessel 61, and
The upper end of collection vessel 61 is done into opening to set, ensure that the condition of normal pressure of sampling unit 1 and extraction cells 2.
Reference picture 2 and with reference to shown in Fig. 6, sampling unit 1 includes hopper 11, and hopper 11 is provided with charging aperture and discharging
Mouthful, charging aperture connects the first pipeline 71 and the second pipeline 72, discharging opening are then connected to extraction cells 2 by the 3rd pipeline 73, the
One pipeline 71 is provided with the first needle valve 712 and the first magnetic valve 711, and the second pipeline 72 is provided with the second needle valve 722 and second
Magnetic valve 721, the 3rd pipeline 73 are provided with the 3rd magnetic valve 731.Liquid level gauge 12, the liquid level gauge 12 are provided with the top of hopper 11
Installation site carries out undergauge setting, and the upper end of hopper 11 is connected by pipeline 7 with collection vessel 61.Volatile organic matter will enter
Enter in collection vessel 61.
Reference picture 3 and with reference to shown in Fig. 6, extraction cells 2 include agitator 21 and separator 22, and agitator 21 is provided with and stirred
Motor 211 is mixed, stirring motor 211 connects and controls agitating shaft 212, and the upper end of agitator 21 is connected to collection vessel by pipeline 7
61；The top of agitator 21 connects the 3rd pipeline 73, and bottom is connected to separator 22 by the 4th pipeline 74, set on the 4th pipeline 74
There is the 4th magnetic valve 741.The above-mentioned upper end of separator 22 is connected to collection vessel 61 by the 6th pipeline 76, and bottom then passes through the 5th
Pipeline 75 is connected to measuring unit 3, and a temperature measuring set 23 is additionally provided with separator 22；5th pipeline 75 and the 6th pipeline 76
Caliber be less than the 4th pipeline 74 caliber.It is to ensure that the caliber of 5th pipeline 75 and the 6th pipeline 76, which carries out reducing setting,
The standing separation of solution in separator 22.
Shown in reference picture 5, measuring unit 3 includes measuring cell 31, and the one end of measuring cell 31 connects the 5th pipeline 75, and the other end is then
Collection vessel 61 is connected to by pipeline 7, PH measuring instruments 32 are provided with measuring cell 31.
Shown in reference picture 4 and Fig. 5, operation control and output unit 4 include controller 41, touch-screen 42, start button 43
With indicator lamp 44, start button 43 controls the startup of whole system, and indicator lamp 44 is used for showing the working condition of measuring system,
Controller 41 controls sampling unit 1 and extraction cells 2, and obtains metrical information from measuring unit 3, and touch-screen 42 is then mended
Repay coefficient setting and operation result is shown.Controller 41 gathers liquid level gauge 12, temperature measuring set 23 and PH measuring instruments 32 and transmitted
Signal, and pass through programme-control the first magnetic valve 711, the second electromagnetism of gathered signal and the inner setting of controller 41
The startup and closing of valve 721, the break-make of the 3rd magnetic valve 731 and the 4th magnetic valve 741 and control stirring motor 211.
The main task of sampling unit 1 is to complete the quantitative sampling of deionized water and tested organic matter, wherein the first pipeline
71 and second pipeline 72 be respectively deionized water pipeline and tested organic matter pipeline, it passes through the first needle valve 712, second respectively
Needle valve 722, the first magnetic valve 711 and second solenoid valve 721 control the circulation of deionized water and tested organic matter.In this list
The paced work of deionized water and tested organic matter is completed in member by liquid level gauge 12, it is fixed also to be completed by flow switch
Measure work.
After deionized water and tested organic matter enter extraction cells 2 after quantitative sampling, it is sufficiently stirred by agitator 21
Dissolving, subsequently into separator 22, the organic matter of low-density flows out from separator top, into collection vessel 61, has dissolved acid
Or the aqueous solution of alkali enters measuring unit 3 through bottom, and then complete extraction process.
Solution after extraction enters measuring unit 3, and measurement is completed in measuring cell 31, and waste liquid enters collection vessel 61,
Complete measurement process.The data that PH measuring instruments 32 are measured can have certain deviation, so PH measuring instruments 32 are surveyed in measuring unit 3
The result gone out is not the true acid-base value of tested organic matter, certain deviation be present, at this moment system will be by measuring unit 3
The result that middle PH measuring instruments 32 are measured is sent to operation control and output unit 4, by that will be tested after the compensation operation of the unit
The actual acid-base value of organic matter shows on touch screen 42, and the result of display is the result measured of PH measuring instruments 32 plus compensation
Coefficient.
With continued reference to thermostat 5 shown in Fig. 6, is provided with hopper 11 and agitator 21, the thermostat 5 is using warm
Water heat tracing or electric tracing.Because medium temperature can influence the solubility of acid or alkali in water, for weak acid such as phosphoric acid, in not equality of temperature
Degree of ionization under degree is also different, measurement result can be also influenceed, so will be to sample constant temperature to 45~55 DEG C, it is ensured that measurement result
It is stable, accurate.For different field conditions, if there is relative constant-temperature hot water at scene, hotwater tracing can be used, if not possessing bar
Part, electric tracing can be used, design temperature is at 45 DEG C.
In order that measurement result is more accurate, the different organic matter of acid-base value is measured when carrying out from the PH of different ranges
Instrument 32, and the penalty coefficient of different PH measuring instruments 32 can be different, in the use of the present invention, PH measuring instruments selected first
32, then the penalty coefficient of system is set on touch screen 42 according to selected PH measuring instruments 32, then open the first needle-like
The needle valve 722 of valve 712 and second, finally pressing the whole system of start button 43 will start working.
After pressing start button 43, workflow of the invention is as follows：
Start button 43 is pressed, indicator lamp 44 is lighted, the first magnetic valve 711, the 3rd magnetic valve 731 and the 4th magnetic valve
741 will be opened, system water-filling, and after 30s, the first magnetic valve 711 is closed, after 60s, the 3rd magnetic valve 731 and the 4th magnetic valve 741
Close, finishing device measurement preparation, circulated into measurement：
The first step：First magnetic valve 711 is opened, and hopper 11 enters deionized water, liquid level rise, when water level reaches liquid level gauge
12 positions, liquid level gauge 12 is to the output signal of controller 41, if the signal duration is more than 1s, then it is assumed that and for the first time plus water terminates,
Then close the first magnetic valve 711；Then the 3rd magnetic valve 731 is opened, starts discharge opeing and enters agitator 21, after 60s, draining knot
Beam, close the 3rd magnetic valve 731.
Second step：After 3rd magnetic valve 731 is closed, controller 41 sends instruction to second solenoid valve 721 makes the second electromagnetism
Valve 721 is opened, and tested organic matter enters hopper 11, and when liquid level reaches the position of liquid level gauge 12, liquid level gauge 12 outputs signals to control
Device 41 processed, if the signal duration be more than 1s, then it is assumed that charging terminate, then close second solenoid valve 721；Then the 3rd is opened
Magnetic valve 731, start discharge opeing and enter agitator 21, after 80s, discharge opeing terminates, the 3rd magnetic valve 731 of closing.
3rd step：After 3rd magnetic valve 731 is closed for second, controller 41 sends instruction to the first magnetic valve 711 makes the
One magnetic valve 711 is opened, and hopper 11 enters deionized water again, and water level reaches the position of liquid level gauge 12, the output signal of liquid level gauge 12
To controller 41, if the signal duration is more than 1s, then it is assumed that for the second time plus water terminates, then closes the first magnetic valve 711, beat
The 3rd magnetic valve 731 is driven, is drained into agitator 21 again, after 60s, draining terminates, and closes the 3rd magnetic valve 731.
4th step：Deionized water is with tested organic matter with 2:1 ratio mixing, controller 41 are sent to stirring motor 211
Instruct, startup mixer 21, after 2.5min, stirring terminates, and the two is sufficiently mixed；Open the 4th magnetic valve 741, mixture discharge
To separator 22, the organic matter of low-density flows out from separator top, into collection vessel 61, has dissolved the aqueous solution of acid or alkali
Through bottom work is measured into measuring unit 3；After 5min, discharge terminates, and the 4th magnetic valve 741 is closed, its shutdown signal
Triggering circulates next time simultaneously.
Because the static pressure of water and measured medium is different, a measurement period time can slightly be influenceed, typically can be in 12min
Complete one-shot measurement in left and right.
It is low that the density of organic matter has height to have, and the density for being less than acid or aqueous alkali with organic matter density is made in above-described embodiment
Come what is designed.And when organic matter density is more than the density of acid or aqueous alkali, measuring cell 31 and PH measuring instruments 32 are set to the
On six pipelines 76, like this highdensity organic matter is flowed into collection vessel 61 from the 5th pipeline 75, dissolved acid or
The aqueous solution of alkali is then discharged into measuring cell 31 and is then discharged into collection vessel 61.
In summary, only the preferred embodiments of the invention, does not limit protection scope of the present invention with this, all according to the present invention
The equivalent changes and modifications that the scope of the claims and description are made, it is all within the scope of patent of the present invention covers.
Claims (9)
- A kind of 1. organic matter pH measurement system, it is characterised in that：Including sampling unit（1）, extraction cells（2）, measurement it is single Member（3）With operation control and output unit（4）, the operation control and output unit（4）Control sampling unit（1）It is single with extraction Member（2）And monitor measuring unit（3）, the sampling unit（1）, extraction cells（2）And measuring unit（3）Between pass through pipeline （7）It is attached, the sampling unit（1）And extraction cells（2）Provided with thermostat（5）；The measuring system also includes sample retracting device（6）, the sample retracting device（6）Including collection vessel（61）, institute State collection vessel（61）Respectively with sampling unit（1）, extraction cells（2）And measuring unit（3）Connection；The collection vessel （61）Upper end is set for opening, and its opening is provided with spark arrester（62）.
- A kind of 2. organic matter pH measurement system according to claim 1, it is characterised in that：The sampling unit（1） Including hopper（11）, the hopper（11）Charging aperture and discharging opening are provided with, the charging aperture connects the first pipeline（71） With the second pipeline（72）, the discharging opening then passes through the 3rd pipeline（73）It is connected to extraction cells（2）, first pipeline（71） Provided with the first needle valve（712）With the first magnetic valve（711）, second pipeline（72）It is provided with the second needle valve（722）With Second solenoid valve（721）, the 3rd pipeline（73）It is provided with the 3rd magnetic valve（731）.
- A kind of 3. organic matter pH measurement system according to claim 2, it is characterised in that：The hopper（11）On Portion is provided with liquid level gauge（12）, the liquid level gauge（12）Installation site carries out undergauge setting, the hopper（11）Upper end passes through pipe Road（7）With collection vessel（61）Connection.
- A kind of 4. organic matter pH measurement system according to claim 2, it is characterised in that：The extraction cells（2） Including agitator（21）And separator（22）, the agitator（21）It is provided with stirring motor（211）, the stirring motor （211）Connect and control agitating shaft（212）, the agitator（21）Upper end passes through pipeline（7）It is connected to collection vessel（61）；Institute State agitator（21）Top connects the 3rd pipeline（73）, bottom passes through the 4th pipeline（74）It is connected to separator（22）, described Four pipelines（74）It is provided with the 4th magnetic valve（741）.
- A kind of 5. organic matter pH measurement system according to claim 4, it is characterised in that：The separator（22）On End passes through the 6th pipeline（76）It is connected to collection vessel（61）, bottom then passes through the 5th pipeline（75）It is connected to measuring unit（3）, The separator（22）On be additionally provided with a temperature measuring set（23）；5th pipeline（75）With the 6th pipeline（76）Caliber it is small In the 4th pipeline（74）Caliber.
- A kind of 6. organic matter pH measurement system according to claim 4, it is characterised in that：The hopper（11）With Agitator（21）It is provided with thermostat（5）, the thermostat（5）Using hotwater tracing or electric tracing.
- A kind of 7. organic matter pH measurement system according to claim 4, it is characterised in that：The measuring unit（3） Including measuring cell（31）, the measuring cell（31）One end connects the 5th pipeline（75）, the other end then passes through pipeline（7）It is connected to receipts Collect container（61）, the measuring cell（31）It is provided with PH measuring instruments（32）.
- A kind of 8. organic matter pH measurement system according to claim any one of 1-7, it is characterised in that：The computing Control and output unit（4）Including controller（41）And touch-screen（42）, the controller（41）Control sampling unit（1）And extraction Take unit（2）, and from measuring unit（3）Obtain metrical information, the touch-screen（42）Coefficient is then compensated to set and transport Result is calculated to show.
- A kind of 9. organic matter pH measurement system according to claim 8, it is characterised in that：The controller（41）Adopt Collect liquid level gauge（12）, temperature measuring set（23）With PH measuring instruments（32）The signal transmitted, and pass through gathered signal and Controller（41）The magnetic valve of programme-control first of inner setting（711）, second solenoid valve（721）, the 3rd magnetic valve（731）With 4th magnetic valve（741）Break-make and control stirring motor（211）Startup and closing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032720.5A CN105842465B (en) | 2016-01-19 | 2016-01-19 | A kind of organic matter pH measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032720.5A CN105842465B (en) | 2016-01-19 | 2016-01-19 | A kind of organic matter pH measurement system |
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| Publication Number | Publication Date |
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| CN105842465A CN105842465A (en) | 2016-08-10 |
| CN105842465B true CN105842465B (en) | 2018-02-13 |
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| CN201610032720.5A Active CN105842465B (en) | 2016-01-19 | 2016-01-19 | A kind of organic matter pH measurement system |
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| JP4399529B2 (en) * | 2003-07-25 | 2010-01-20 | 吉玉精鍍株式会社 | Treatment method of electroless plating waste liquid |
| CN201399261Y (en) * | 2009-04-16 | 2010-02-10 | 泰安市科瑞光学仪器有限公司 | Full-automatic extraction apparatus |
| CN101614674B (en) * | 2009-08-07 | 2011-08-31 | 山东三泵科森仪器有限公司 | Fully automatic water-soluble acid tester |
| CN202471600U (en) * | 2012-03-09 | 2012-10-03 | 保定市金科汇电子有限公司 | Full-automatic water-soluble acid tester for power oil |
| CN105699372B (en) * | 2015-01-16 | 2018-03-30 | 国网山东省电力公司青岛供电公司 | A kind of method of testing based on water-soluble soda acid test device |
| CN205484380U (en) * | 2016-01-19 | 2016-08-17 | 萧曜君 | Organic matter pH valve measurement system |
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