CN102507848A - Device for detecting oxidability of solid hazardous article - Google Patents
Device for detecting oxidability of solid hazardous article Download PDFInfo
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- CN102507848A CN102507848A CN201110318380XA CN201110318380A CN102507848A CN 102507848 A CN102507848 A CN 102507848A CN 201110318380X A CN201110318380X A CN 201110318380XA CN 201110318380 A CN201110318380 A CN 201110318380A CN 102507848 A CN102507848 A CN 102507848A
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Abstract
The invention provides a device for detecting the oxidability of a solid hazardous article and a method for detecting the oxidability of the solid hazardous article by using the device. The device for detecting the oxidability of the solid hazardous article comprises a lifting rod, a metal-wire ignition lien fixed on the lifting rod, a heating controller of the metal-wire ignition line, a lifting rod controller for controlling the lifting of the lifting rod, a sample maker for making a detection sample into a certain shape, and a heat-resisting plate for holding a detection sample. The device for detecting the oxidability of the solid hazardous article can be used for scientifically, efficiently and accurately judging the oxidability of the solid hazardous article to be detected, and classifying proper packages to be selected for the solid hazardous article; meanwhile, the experiment operation is safe and doe not harm the body health of an experiment operator.
Description
Technical field
The present invention relates to a kind of dangerous material pick-up unit, relate in particular to a kind of dangerous material solid oxidation property pick-up unit.
Background technology
Dangerous material belong to international forced examination commodity, in production, packing and storage and transport process as mishandlingly be easy to burn, accidents such as blast, burn into poisoning, environment and health are worked the mischief.Dangerous material solid with oxidisability has the potentiality of mixing the burning rate that will significantly increase this combustible or combustion intensity with combustible or mixes the potentiality of the potpourri that may form spontaneous ignition with combustible; It is one type of significant risk chemicals of domestic and international extensive concern; Whether the dangerous material solid has oxidisability is production, transport and the storage part needs a definite important indicator, and the domestic and international test method of being correlated with of all having formulated confirms whether the dangerous material solid has oxidisability.
At present, " TDGC " of the United Nations's issue has strict regulation to the transportation and packing of oxidisability dangerous material solid.Check field in China, to the classification of the evaluation of oxidisability dangerous material solid and proper packing with very big gap is arranged in the world.Be used at present detecting in the instrument and equipment of oxidisability of dangerous material solid; Adopt manually-operated process many; Cause a lot of potential safety hazards in the experimentation on the one hand; Harm experimental implementation person's health of human body; On the other hand, the not enough science of the data that obtain is accurate, at the ignition temperature of portfire, all can not reach the requirement in the dangerous material solid oxidation property measuring method in " the United Nations's freight transportation recommendation-test and manual of standards " to the heating power and the technical requirement aspect the time measurement of sample.
Summary of the invention
Technical matters to be solved by this invention is; A kind of novel dangerous material solid oxidation property pick-up unit is provided; Adopt this dangerous material solid oxidation property pick-up unit, it tests handling safety, has realized robotization; Avoid manual operations to the danger that the tester causes, can not endanger experimental implementation person's health of human body.
Technical matters to be solved by this invention also is; When adopting this dangerous material solid oxidation property pick-up unit to carry out the detection of dangerous material solid oxidation property, light a fire the ignition temperature that installs, can both reach the requirement in dangerous material solid oxidation property measuring method in " the United Nations's freight transportation recommendation-experiment and manual of standards " the heating power of sample and the technical requirement of time measurement aspect.
Technical matters to be solved by this invention also is; When adopting this dangerous material solid oxidation property pick-up unit to carry out the detection of dangerous material solid oxidation property, can both reach the requirement in dangerous material solid oxidation property measuring method in " the United Nations's freight transportation recommendation-experiment and manual of standards " to the technical requirement of the heating power of sample.
Technical matters to be solved by this invention also is; When adopting this dangerous material solid oxidation property pick-up unit to carry out the detection of dangerous material solid oxidation property, the technical requirement aspect time measurement can both reach the requirement in the dangerous material solid oxidation property measuring method in " the United Nations's freight transportation recommendation-experiment and manual of standards ".
Technical matters to be solved by this invention also is; When adopting this dangerous material solid oxidation property pick-up unit to carry out the detection of dangerous material solid oxidation property; Can science, efficiently and accurately the oxidisability of dangerous material solid to be measured is judged, its proper packing that should select for use is sorted out.
For solving the problems of the technologies described above; The invention provides a kind of dangerous material solid oxidation property pick-up unit, it comprises: elevating lever, be fixed on the tinsel ignition lead on the said elevating lever, said tinsel ignition lead heating controller, be used to control said lifter rod lifting the elevating lever controller, be used to make test samples to form the sample preparation device of definite shape and be used to place the refractory plate of test samples.
Wherein, said dangerous material solid oxidation property pick-up unit can also comprise automatic timing unit, when it begins to heat from said tinsel ignition lead energising, picks up counting automatically, and the precision of said automatic timing unit is 0.1s.
Further, said automatic timing unit can also comprise that stopwatch display screen and stopwatch stop receiver of remote-control sytem.
Wherein, said tinsel ignition lead can be annular, and length can be 25cm～35cm, and diameter can be 0.4mm～0.8mm, and resistance value can be 5 ohm/meter～7 ohm/meter, and power can be 130 watts～170 watts.
For solving the problems of the technologies described above; The present invention also provides a kind of dangerous material solid oxidation property pick-up unit; It is characterized in that, comprising: elevating lever, be fixed on the tinsel ignition lead on the said elevating lever, said tinsel ignition lead heating controller, be used to control said lifter rod lifting the elevating lever controller, be used to make test samples form definite shape the sample preparation device, be used to place the refractory plate and the automatic timing unit of test samples;
Said automatic timing unit further comprises the stopwatch display screen and stopwatch stops receiver of remote-control sytem;
Said tinsel ignition lead is an annular, and long is 25cm～35cm, and diameter is 0.4mm～0.8mm, and resistance value is 5 ohm/meter～7 ohm/meter, and power is 130 watts～170 watts;
Through controlling the button of said elevating lever controller, control the rising and the landing of said elevating lever;
Said tinsel ignition lead heating controller can comprise voltage regulating device, heating voltage display screen, heating current display screen, voltage-regulation button and master switch;
Said sample preparation device is the sample preparation device that stainless steel material is processed, and is shaped as the shape of conical funnel, the sealing of one of which end, and interior diameter is 65mm～75mm, coning angle is 55 ℃～65 ℃;
Said refractory plate is the flat hot plate of low conduction, and the material of said plate is the carborundum plate face.
For solving the problems of the technologies described above, the present invention also provides a kind of detection method of dangerous material solid oxidation property, it is characterized in that, comprising:
The first step, the preparation of reference material potassium bromate and dry cellulosic silk;
Second step, the inspection of sample to be tested;
In the 3rd step, adopt mechanical means to mix said reference material potassium bromate and dry cellulosic silk;
In the 4th step, adopt mechanical means to mix sample to be tested and dry cellulosic silk;
The 5th step, the burning time of adopting above-mentioned dangerous material solid oxidation property pick-up unit to measure said reference material potassium bromate;
The 6th step, the burning time of adopting above-mentioned dangerous material solid oxidation property pick-up unit to measure said sample to be tested;
In the 7th step, the burning time of sample to be tested described in the burning time of the said reference material potassium bromate that obtains through the 5th step relatively and said the 6th step, obtain the oxidisability of said sample to be tested.
Wherein, The said first step can also comprise that further the length of said dry cellulosic silk is preferably 50 μ m～250 μ m, and mean diameter is preferably 25 μ m; Under 100 ℃～105 ℃ temperature, be dried to constant weight; Be at least said drying time 4 hours, the cooling of dry back is for use, and water cut is less than 0.5% in the said dry cellulosic silk;
It is the potassium bromate of 0.15mm～0.3mm that said reference material potassium bromate is selected the particle diameter that sieves but can not grind for use, under 60 ℃～70 ℃ temperature, is dried to constant weight, is at least said drying time 12 hours, and the cooling of dry back is for use;
Further can also comprise in said second step; Whether contain the particle of diameter in the inspection sample to be tested less than 500 μ m; If diameter accounts for more than 10% of general assembly (TW) less than 500 microns particle, or this material is frangible, before test, should whole samples to be tested be clayed into power so;
In said the 3rd step, said reference material potassium bromate can be respectively according to mass ratio with said dry cellulosic silk and mix in 3: 7,2: 3 and 3: 2;
In said the 4th step, said sample to be tested can be respectively according to mass ratio with said dry cellulosic silk and mix in 4: 1 and 1: 1.
The present invention also provides the above-mentioned application of pick-up unit in the detection of dangerous material solid oxidation property.
The present invention also provides the above-mentioned application of pick-up unit in the packing grade of judging dangerous material solid oxidation property.
The present invention also provides the above-mentioned application of pick-up unit in freight transportation.
With respect to dangerous material solid oxidation property pick-up unit of the prior art, the invention has the beneficial effects as follows:
Dangerous material solid oxidation property pick-up unit provided by the invention and adopting in the method for this measurement device dangerous material solid oxidation property through having designed technology such as tinsel ignition lead automatic lifting, self-clocking, remote control control stop; Can science, efficiently and accurately the oxidisability of dangerous material solid to be measured is judged; Its proper packing that should select for use is sorted out; Experimental implementation safety simultaneously can not endanger experimental implementation person's health of human body.
Description of drawings
Fig. 1: the front view of dangerous material solid oxidation property pick-up unit;
Fig. 2: the vertical view of dangerous material solid oxidation property pick-up unit;
Fig. 3: the conical metal funnel sample preparation device sectional view of dangerous material solid oxidation property pick-up unit.
Reference numeral:
1, heating voltage display screen; 2, heating current display screen; 3, master switch; 4, voltage-regulation button; 5, plant bottom case; 6, stopwatch display screen; 7, stopwatch stops receiver of remote-control sytem; 8, the button of elevating lever controller; 9, tinsel ignition lead; 10, low heat conduction is dull and stereotyped; 11, elevating lever; 13, sample preparation device.
Embodiment
The invention provides a kind of dangerous material solid oxidation property pick-up unit, it comprises: elevating lever 11, be fixed on the tinsel ignition lead 9 on the said elevating lever 11, said tinsel ignition lead heating controller, be used to control elevating lever controller that said elevating lever 11 goes up and down, be used to make test samples to form the sample preparation device 13 of definite shape and be used to place the refractory plate 10 of test samples.
Wherein, Said dangerous material solid oxidation property pick-up unit can also comprise automatic timing unit; Said automatic timing unit is used to write down sample to be detected makes said tinsel ignition lead igniting begin to be heated to the time that said sample combustion reaction to be detected finishes from the master switch of opening on the said voltage regulating device; When it begins to heat from said tinsel ignition lead energising, pick up counting automatically, the precision of said automatic timing unit is 0.1s.
Wherein, said automatic timing unit can also comprise that further stopwatch display screen 6 and stopwatch stop receiver of remote-control sytem 7.
Wherein, said tinsel ignition lead 9 is preferably nickel-chromium composite material, is arranged to annular, and length can be 25cm～35cm, and diameter can be 0.4mm～0.8mm, and resistance value can be 5 ohm/meter～7 ohm/meter, and power can be 130 watts～170 watts.
Wherein, through the button 8 of controlling said elevating lever controller, control the rising and the landing of said elevating lever 11.
Wherein, Said tinsel ignition lead heating controller can comprise voltage regulating device, heating voltage display screen 1, heating current display screen 2, voltage-regulation button 4 and master switch 3; Open master switch 3, make said tinsel ignition lead 9 igniting begin heating, through observing the heating-up temperature of said heating voltage display screen 1 and the said tinsel ignition lead 9 of heating current display screen 2 adjustings; And then regulate said voltage-regulation button 4, thereby regulate the heating situation of said tinsel ignition lead 9.
Further, when opening said master switch 3, the regulation voltage of said voltage regulating device is the safe voltage that maintains 12V.
Wherein, the sample preparation device that said sample preparation device 13 can be processed for stainless steel material, shape is preferably the shape of conical funnel, the sealing of one of which end, interior diameter is 65mm～75mm, coning angle is 55 ℃～65 ℃.
Wherein, Said refractory plate 10 can be the flat hot plate of low conduction; The material of said plate can be the carborundum plate face, and specification can be 145mm～155mm * 145mm～155mm * 4mm～8mm, and said refractory plate is used to place test samples and the tinsel ignition lead 9 that fixedly lowers.
Wherein, said dangerous material solid oxidation property pick-up unit preferably only is made up of said apparatus.
Adopt dangerous material solid oxidation property pick-up unit of the present invention to have following advantage:
(1). the high energy thermal source adopts Remote automatic lifting structure, the danger of well having avoided the careless contact heater of operator to scald;
(2). electronic stopclock is contained on the test apparatus, makes test more convenient, and during on-test, stopwatch can self-clocking, and remote control stops during off-test, and is more accurate when making tester;
(3). power supply for heat source adopts safety utilization of electric power voltage, about direct current 12V, scalable.
The present invention also provides a kind of method that adopts above-mentioned dangerous material solid oxidation property pick-up unit to carry out the detection of dangerous material solid oxidation property, and it comprises:
The first step, the preparation of reference material potassium bromate and dry cellulosic silk;
Second step, the inspection of sample to be tested;
In the 3rd step, adopt mechanical means to mix said reference material potassium bromate and dry cellulosic silk;
In the 4th step, adopt mechanical means to mix sample to be tested and dry cellulosic silk;
The 5th step, the burning time of adopting above-mentioned dangerous material solid oxidation property pick-up unit to measure said reference material potassium bromate;
The 6th step, the burning time of adopting above-mentioned dangerous material solid oxidation property pick-up unit to measure said sample to be tested;
In the 7th step, the burning time of sample to be tested described in the burning time of the said reference material potassium bromate that obtains through the 5th step relatively and said the 6th step, obtain the oxidisability of said sample to be tested.
Wherein, said sample to be tested can be any dangerous material solid, for example chromium trioxide, potassium permanganate, ammonium nitrate crystals, nickel nitrate etc.
Wherein, The said first step may further include, and the length of said dry cellulosic silk is preferably 50 μ m～250 μ m, and mean diameter is preferably 25 μ m; Under 100 ℃～105 ℃ temperature, be dried to constant weight; Be at least said drying time 4 hours, the cooling of dry back is for use, and water cut is less than 0.5% in the said dry cellulosic silk.
Wherein, The said first step may further include, and selecting the particle diameter that sieves but can not grind for use is the potassium bromate of 0.15mm～0.3mm, under 60 ℃～70 ℃ temperature, is dried to constant weight; Be at least said drying time 12 hours, the cooling of dry back is for use.
Wherein, Further comprise in said second step; Whether inspection contains the particle of diameter less than 500 μ m in the sample to be tested, if diameter accounts for more than 10% of general assembly (TW) less than 500 microns particle, or this material is frangible; Before test, should whole samples to be tested be clayed into power so; If the purpose of doing like this is in order to contain the little sample of a large amount of particle diameters or frangible sample in the test sample, then directly to detect the oxidability and packing rank of this sample, thereby looks after in the defeated process of loading and unloading shipping that particle diameter reduces or cause its oxidability and packing grade other change when frangible.
Wherein, in said the 3rd step, said reference material potassium bromate is respectively according to mass ratio with said dry cellulosic silk and mixed in 3: 7,2: 3 and 3: 2.
Wherein, in said the 4th step, said sample to be tested is respectively according to mass ratio with said dry cellulosic silk and mixed in 4: 1 and 1: 1.
Wherein, said the 5th step further comprises,
A. the said reference material potassium bromate for preparing in going on foot the said the 3rd and the potpourri of said dry cellulosic silk are put into the said sample preparation device 13 of said dangerous material solid oxidation property pick-up unit and are processed certain shape;
B. controlling said elevating lever 11 through said elevating lever controller drives said tinsel ignition lead 9 and drops on the said refractory plate 10 and be fixed in the above;
C. the said potpourri that forms definite shape in the said sample preparation device 13 in the said a step is covered on the said said tinsel ignition lead 9 that is fixed on the said refractory plate 10;
D. heat said tinsel ignition lead 9 through said tinsel ignition lead heating controller; Write down the burning time of said potpourri; Can be just to have begun to be heated to the time that said potpourri key reaction finishes from said tinsel ignition lead heating controller said burning time, can judge that burning finishes through the flame of observing said mixture burns, scorching hot or aphlogistic situation.
Wherein, said the 6th step further comprises,
A. the said sample to be tested for preparing in going on foot the said the 4th and the potpourri of said dry cellulosic silk are put into the said sample preparation device 13 of said dangerous material solid oxidation property pick-up unit and are processed certain shape;
B. controlling said elevating lever 11 through said elevating lever controller drives said tinsel ignition lead 9 and drops on the said refractory plate 10 and be fixed in the above;
C. the said potpourri that forms definite shape in the said sample preparation device in the said a step is covered on the said said tinsel ignition lead 9 that is fixed on the said refractory plate 10;
D. heat said tinsel ignition lead 9 through said tinsel ignition lead heating controller; Write down the burning time of said potpourri; Can be just to have begun to be heated to the time that said potpourri key reaction finishes from said tinsel ignition lead heating controller said burning time, can judge that burning finishes through the flame of observing said mixture burns, scorching hot or aphlogistic situation.
Wherein, in detection time, said tinsel ignition lead 9 should keep "on" position constantly in said the 5th step and said the 6th step, if tinsel ignition lead 9 ruptured in detection time, the tinsel ignition lead that should more renew detects again.
Wherein, through in the said tinsel ignition lead heating controller heating process, Control of Voltage is at 12V in said the 5th step and said the 6th step.
Wherein, Dangerous material solid oxidation property pick-up unit need be to make an experiment in the fuming cupboard less than 0.5m/s in gas velocity described in said the 5th step and said the 6th step; Said atmospheric pressure should be under 98kPa-101.3kPa; Said environment should be under 20 ℃～25 ℃ temperature, and the exhaust system of said fuming cupboard is used for absorbing the poisonous flue gas that combustion process produces.
Wherein, Said the 7th step further comprises; When said sample to be tested and said dry cellulosic silk potpourri made an experiment by weight 4: 1 and 1: 1; All misfire and burn, or burning time greater than said reference substance potassium bromate and said dry cellulosic silk average burning time by weight 3: 7 potpourri, then this sample to be tested does not have oxidisability;
When said sample to be tested and said dry cellulosic silk potpourri by weight mixture burns time of 4: 1 or 1: 1 less than said reference substance potassium bromate and said dry cellulosic silk by weight the burning time that is 3: 2 potpourri; Then this sample to be tested has oxidisability; At this moment, the packing classification of such dangerous material solid is I class packing;
Said sample to be tested and said dry cellulosic silk potpourri by weight mixture burns time of 4: 1 or 1: 1 less than said reference substance potassium bromate and said dry cellulosic silk by weight the burning time that is 2: 3 potpourri; And the requirement of unmet I class packing; Then this sample to be tested has oxidisability; At this moment, the packing classification of such dangerous material solid is II class packing;
Said sample to be tested and said dry cellulosic silk potpourri by weight mixture burns time of 4: 1 or 1: 1 less than said reference substance potassium bromate and said dry cellulosic silk by weight the average burning time that is 3: 7 potpourri; And the requirement of unmet I and II class packing; Then this sample to be tested has oxidisability; At this moment, the packing classification of such dangerous material solid is III class packing.
Wherein, the method for said dangerous material solid oxidation property detection preferably only is made up of above-mentioned steps.
The present invention also provides the application of said apparatus in the detection of dangerous material solid oxidation property.
The present invention also provides the application of said apparatus in the packing grade of judging dangerous material solid oxidation property.
The present invention also provides the application of said apparatus in freight transportation.
Below will combine accompanying drawing and embodiment to specify embodiment of the present invention, how the application technology means solve technical matters to the present invention whereby, and the implementation procedure of reaching technique effect can make much of and implement according to this.
Extremely shown in Figure 3 like Fig. 1; The present invention is used for the dangerous material solid oxidation property pick-up unit of the oxidisability that detects the dangerous material solid, this device by plant bottom case 5, elevating lever 11, be fixed on tinsel ignition lead 9, said tinsel ignition lead heating controller on the said elevating lever 11, be used to control elevating lever controller that said elevating lever 11 goes up and down, be used to make test samples to form coniform metal funnel sample preparation device 13, the low heat conduction flat board 10 and the automatic timing unit that are used to place test samples form.
Through the button 8 of controlling said elevating lever controller, control the rising and the landing of said elevating lever 11.
Said tinsel ignition lead heating controller comprises voltage regulating device, heating voltage display screen 1, heating current display screen 2, voltage-regulation button 4 and master switch 3.
Said automatic timing unit comprises that stopwatch display screen 6 and stopwatch stop receiver of remote-control sytem 7, and said automatic timing unit picks up counting when 9 energisings of tinsel ignition lead begin to heat automatically, and the precision of said automatic timing unit is 0.1s.
Said tinsel ignition lead 9 is nickel-chromium material, is shaped as annular, and length is 30mm, and diameter is 0.6mm, and resistance value is 6.0 ohm/meter, and power is 150 ± 7 watts.
Said conical metal funnel sample preparation device 13 adopts stainless steel material to be prepared from, the sealing of one of which end, and internal diameter is 70mm, coning angle is 60 ℃.
The material of the flat hot plate 10 of said low conduction is the carborundum plate face, and specification can be 150mm * 150mm * 6mm.
The preparation of embodiment 1 reference substance potassium bromate and dry cellulosic silk
Select the dry cellulosic silk 3000g of length in 50 μ m～250 mu m ranges, its mean diameter was 25 μ m, with the said dry cellulosic silk of choosing under 105 ℃ temperature dry 6 hours; To constant weight; Cool off for usely, through detecting, water cut is 0.3% in the said dry cellulosic silk.
Commercially pure potassium bromate sieves but does not grind, and choosing particle diameter is the potassium bromate 1000g of 0.15mm～0.3mm scope, and drying is 12 hours under 65 ℃ temperature, to constant weight, cools off for use.
The inspection of embodiment 2 samples to be tested
Whether contain the particle of diameter less than 500 μ m in the inspection sample to be tested sodium nitrate, if diameter accounts for more than 10% of general assembly (TW) less than 500 microns particle, or this material is frangible, before test, should whole samples to be tested be clayed into power so.
Embodiment 3 potassium bromates mix with the dry cellulosic silk
Weighing 30g potassium bromate and 210g dry cellulosic silk mix stirring according to 3: 7 ratio of mass ratio in machine mixer, obtain well-mixed potpourri 1.
Embodiment 4 potassium bromates mix with the dry cellulosic silk
Weighing 30g potassium bromate and 45g dry cellulosic silk mix stirring according to 2: 3 ratio of mass ratio in machine mixer, obtain well-mixed potpourri 2.
Embodiment 5 potassium bromates mix with the dry cellulosic silk
Weighing 30g potassium bromate and 20g dry cellulosic silk mix stirring according to 3: 2 ratio of mass ratio in machine mixer, obtain well-mixed potpourri 3.
Embodiment 6 samples to be tested mix with the dry cellulosic silk
Weighing 30g sample to be tested sodium nitrate and 7.5g dry cellulosic silk are that 4: 1 ratio is mixed stirring in machine mixer according to mass ratio, obtain well-mixed potpourri 4.
Embodiment 7 samples to be tested mix with the dry cellulosic silk
Weighing 30g sample to be tested sodium nitrate and 30g dry cellulosic silk are that 1: 1 ratio is mixed stirring in machine mixer according to mass ratio, obtain well-mixed potpourri 5.
Embodiment 8
Open master switch 3; Through observing heating voltage display screen 1 and heating current display screen 2, and regulation voltage regulates button 4 Control of Voltage of tinsel ignition lead heating controller descended in the safe voltage of 12V, at this moment; Tinsel ignition lead 9 begins heating; Automatic timing unit picks up counting when said tinsel ignition lead 9 energisings begin to heat automatically, observes the flame of potpourri 1, when fray-out of flame; Start the watch stops receiver of remote-control sytem 7 and stops manual time-keeping, obtains the burning time 1 of potpourri 1.
Repeat to prepare 5 potpourris 1 and carry out 5 detections, obtain the average burning time a of potpourri 1.
This intellecture property of primary enforcement that all are above-mentioned is not set restriction this new product of other forms of enforcement and/or new method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on new product of the present invention.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But everyly do not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and remodeling that above embodiment did, still belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. dangerous material solid oxidation property pick-up unit; It is characterized in that, comprising: elevating lever, be fixed on the tinsel ignition lead on the said elevating lever, said tinsel ignition lead heating controller, be used to control said lifter rod lifting the elevating lever controller, be used to make test samples to form the sample preparation device of definite shape and be used to place the refractory plate of test samples.
2. dangerous material solid oxidation property pick-up unit as claimed in claim 1; It is characterized in that: said dangerous material solid oxidation property pick-up unit also comprises automatic timing unit; When it begins to heat from said tinsel ignition lead energising; Automatically pick up counting, the precision of said automatic timing unit is 0.1s.
3. according to claim 1 or claim 2 dangerous material fixed oxygen voltinism pick-up unit, it is characterized in that: said automatic timing unit comprises that also stopwatch display screen and stopwatch stop receiver of remote-control sytem.
4. like the described dangerous material solid oxidation property of claim 1 to 3 pick-up unit; It is characterized in that: said tinsel ignition lead is annular, and long is about 25cm～35cm, and diameter is about 0.4mm～0.8mm; Resistance value is about 5 ohm/meter～7 ohm/meter, and power is about 130 watts～170 watts.
5. dangerous material solid oxidation property pick-up unit; It is characterized in that, comprising: elevating lever, be fixed on the tinsel ignition lead on the said elevating lever, said tinsel ignition lead heating controller, be used to control said lifter rod lifting the elevating lever controller, be used to make test samples form definite shape the sample preparation device, be used to place the refractory plate and the automatic timing unit of test samples;
Said automatic timing unit further comprises the stopwatch display screen and stopwatch stops receiver of remote-control sytem;
Said tinsel ignition lead is an annular, and long is 25cm～35cm, and diameter is 0.4mm～0.8mm, and resistance value is 5 ohm/meter～7 ohm/meter, and power is 130 watts～170 watts;
Through controlling the button of said elevating lever controller, control the rising and the landing of said elevating lever;
Said tinsel ignition lead heating controller can comprise voltage regulating device, heating voltage display screen, heating current display screen, voltage-regulation button and master switch;
Said sample preparation device is the sample preparation device that stainless steel material is processed, and is shaped as the shape of conical funnel, the sealing of one of which end, and interior diameter is 65mm～75mm, coning angle is 55 ℃～65 ℃;
Said refractory plate is the flat hot plate of low conduction, and the material of said plate is the carborundum plate face.
6. the detection method of a dangerous material solid oxidation property is characterized in that, comprising:
The first step, the preparation of reference material potassium bromate and dry cellulosic silk;
Second step, the inspection of sample to be tested;
In the 3rd step, adopt mechanical means to mix said reference material potassium bromate and dry cellulosic silk;
In the 4th step, adopt mechanical means to mix sample to be tested and dry cellulosic silk;
The 5th step, the burning time of adopting each described dangerous material solid oxidation property pick-up unit of claim 1 to 5 to measure said reference material potassium bromate;
The 6th step, the burning time of adopting each described dangerous material solid oxidation property pick-up unit of claim 1 to 5 to measure said sample to be tested;
In the 7th step, the burning time of sample to be tested described in the burning time of the said reference material potassium bromate that obtains through the 5th step relatively and said the 6th step, obtain the oxidisability of said sample to be tested.
7. detection method as claimed in claim 6 is characterized in that:
The said first step further comprises; The length of said dry cellulosic silk is preferably 50 μ m～250 μ m; Mean diameter is preferably 25 μ m, under 100 ℃～105 ℃ temperature, is dried to constant weight, is at least said drying time 4 hours; The cooling of dry back is for use, and water cut is less than 0.5% in the said dry cellulosic silk;
It is the potassium bromate of 0.15mm～0.3mm that said reference material potassium bromate is selected the particle diameter that sieves but can not grind for use, under 60 ℃～70 ℃ temperature, is dried to constant weight, is at least said drying time 12 hours, and the cooling of dry back is for use;
Further comprise in said second step; Whether contain the particle of diameter in the inspection sample to be tested less than 500 μ m; If diameter accounts for more than 10% of general assembly (TW) less than 500 microns particle, or this material is frangible, before test, should whole samples to be tested be clayed into power so;
In said the 3rd step, said reference material potassium bromate is respectively according to mass ratio with said dry cellulosic silk and mixed in 3: 7,2: 3 and 3: 2;
In said the 4th step, said sample to be tested is respectively according to mass ratio with said dry cellulosic silk and mixed in 4: 1 and 1: 1.
8. the application of each described pick-up unit of claim 1 to 5 in the detection of dangerous material solid oxidation property.
9. the application of each described pick-up unit of claim 1 to 5 in the packing grade of judging dangerous material solid oxidation property.
10. each described pick-up unit application in freight transportation of claim 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110318380XA CN102507848A (en) | 2011-10-19 | 2011-10-19 | Device for detecting oxidability of solid hazardous article |
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| CN201110318380XA CN102507848A (en) | 2011-10-19 | 2011-10-19 | Device for detecting oxidability of solid hazardous article |
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| CN102507848A true CN102507848A (en) | 2012-06-20 |
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| CN201110318380XA Pending CN102507848A (en) | 2011-10-19 | 2011-10-19 | Device for detecting oxidability of solid hazardous article |
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| CN104677776A (en) * | 2015-02-12 | 2015-06-03 | 杭州唐研科技有限公司 | Oxidized solid test instrument |
| CN105067753A (en) * | 2015-07-27 | 2015-11-18 | 中国石油化工股份有限公司 | Hazardous material solid oxidation property detection apparatus |
| CN109541123A (en) * | 2019-01-14 | 2019-03-29 | 上海化工院检测有限公司 | A kind of solid oxidation system safety testing device and its application |
| CN113075351A (en) * | 2020-01-03 | 2021-07-06 | 应急管理部化学品登记中心 | Solid oxidability testing device, testing method and sampler thereof |
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| CN104677776A (en) * | 2015-02-12 | 2015-06-03 | 杭州唐研科技有限公司 | Oxidized solid test instrument |
| CN105067753A (en) * | 2015-07-27 | 2015-11-18 | 中国石油化工股份有限公司 | Hazardous material solid oxidation property detection apparatus |
| CN109541123A (en) * | 2019-01-14 | 2019-03-29 | 上海化工院检测有限公司 | A kind of solid oxidation system safety testing device and its application |
| CN109541123B (en) * | 2019-01-14 | 2021-10-08 | 上海化工院检测有限公司 | Solid oxidability testing device and application thereof |
| CN113075351A (en) * | 2020-01-03 | 2021-07-06 | 应急管理部化学品登记中心 | Solid oxidability testing device, testing method and sampler thereof |
| CN113075351B (en) * | 2020-01-03 | 2023-08-25 | 应急管理部化学品登记中心 | Solid oxidability testing device, testing method and sampler thereof |
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Application publication date: 20120620 |