CN105067753A - Hazardous material solid oxidation property detection apparatus - Google Patents
Hazardous material solid oxidation property detection apparatus Download PDFInfo
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- CN105067753A CN105067753A CN201510446420.7A CN201510446420A CN105067753A CN 105067753 A CN105067753 A CN 105067753A CN 201510446420 A CN201510446420 A CN 201510446420A CN 105067753 A CN105067753 A CN 105067753A
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Abstract
The present invention provides a hazardous material solid oxidation property detection apparatus and a method for detecting the hazardous material solid oxidation property by using the detection apparatus. The hazardous material solid oxidation property detection apparatus comprises a lifting rod, a metal wire ignition line 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 production device for making a detected sample form a certain shape, and a heat resistance plate for placing the detected sample. With the hazardous material solid oxidation property detection apparatus of the present invention, the oxidation property of the hazardous material solid to be detected can be scientifically, efficiently and accurately determined, the selective suitable packages can be classified, the experiment operation is safe, and the personnel health of the experiment operator can not be hazarded.
Description
Technical field
The present invention relates to a kind of hazardous material detection device, particularly relate to a kind of device for detecting oxidability of solid hazardous article.
Background technology
Dangerous material belong to international forced examination commodity, as accidents such as being mishandlingly easy to burn, exploding, burn into is poisoning in production, packaging and storage and transport process, work the mischief to environmental and human health impacts.The dangerous material solid with oxidisability has and mixes the potentiality of the burning rate or combustion intensity that significantly increase this combustible or the potentiality mixing the potpourri that may form spontaneous ignition with combustible with combustible, it is a class significant risk chemicals of domestic and international extensive concern, dangerous material solid whether have oxidisability is produce, transport and storage partly need an important indicator determining, all formulated the test method of being correlated with both at home and abroad to determine whether dangerous material solid has oxidisability.
At present, " TDGC " transportation and packing to oxidisability dangerous material solid that the United Nations issues have strict regulation.In the inspection field of China, to the classification of the qualification of oxidisability dangerous material solid and proper packing with have very large gap in the world.Be used in the instrument and equipment of the oxidisability detecting dangerous material solid at present, adopt manually-operated process many, cause a lot of potential safety hazards in experimentation on the one hand, the health of human body of harm experimental implementation person, on the other hand, the inadequate science of the data obtained is accurate, the requirement during the technical requirement in the ignition temperature in portfire, the heating power to sample and time measurement all can not reach " the United Nations's freight transportation recommendation-manual of tests and criteria " in dangerous material solid oxidation measuring method.
Summary of the invention
Technical matters to be solved by this invention is, a kind of novel device for detecting oxidability of solid hazardous article is provided, adopt this device for detecting oxidability of solid hazardous article, it tests handling safety, achieve robotization, avoid the danger that manual operations causes tester, the health of human body of experimental implementation person can not be endangered.
Technical matters to be solved by this invention is also, adopt this device for detecting oxidability of solid hazardous article to carry out dangerous material solid oxidation when detecting, light a fire the ignition temperature of device, the requirement that can to reach the heating power of sample and the technical requirement of time measurement aspect in " the United Nations's freight transportation recommendation-experiment and manual of standards " middle dangerous material solid oxidation measuring method.
Technical matters to be solved by this invention is also, when adopting this device for detecting oxidability of solid hazardous article to carry out the detection of dangerous material solid oxidation, the requirement in " the United Nations's freight transportation recommendation-experiment and manual of standards " in dangerous material solid oxidation measuring method can be reached to the technical requirement of the heating power of sample.
Technical matters to be solved by this invention is also, when adopting this device for detecting oxidability of solid hazardous article to carry out the detection of dangerous material solid oxidation, the requirement during the technical requirement in time measurement can reach " the United Nations's freight transportation recommendation-experiment and manual of standards " in dangerous material solid oxidation measuring method.
Technical matters to be solved by this invention is also, when adopting this device for detecting oxidability of solid hazardous article to carry out the detection of dangerous material solid oxidation, can science, efficiently and accurately the oxidisability of dangerous material solid to be measured is judged, the proper packing that it should be selected is sorted out.
For solving the problems of the technologies described above, the invention provides a kind of device for detecting oxidability of solid hazardous article, it comprises: the heating controller of elevating lever, the tinsel ignition lead be fixed on described elevating lever, described tinsel ignition lead, for control described lifter rod lifting elevating lever controller, for making test samples form the sample preparation device of definite shape and the refractory plate for placing test samples.
Wherein, described device for detecting oxidability of solid hazardous article can also comprise automatic timing unit, and when it heats from described tinsel ignition lead energising, automatically start timing, the precision of described automatic timing unit is 0.1s.
Further, described automatic timing unit can also comprise stopwatch display screen and stopwatch stopping receiver of remote-control sytem.
Wherein, described 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, present invention also offers a kind of device for detecting oxidability of solid hazardous article, it is characterized in that, comprising: the heating controller of elevating lever, the tinsel ignition lead be fixed on described elevating lever, described tinsel ignition lead, for control described lifter rod lifting elevating lever controller, for make test samples formed definite shape sample preparation device, for placing refractory plate and the automatic timing unit of test samples;
Described automatic timing unit further comprises stopwatch display screen and stopwatch stops receiver of remote-control sytem;
Described tinsel ignition lead is 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;
By controlling the button of described elevating lever controller, control rising and the landing of described elevating lever;
Described tinsel ignition lead heating controller can comprise voltage regulating device, heating voltage display screen, heating current display screen, voltage-regulation button and master switch;
Described sample preparation device is the sample preparation device that stainless steel material is made, and shape is the shape of conical funnel, and its one end is closed, and interior diameter is 65mm ~ 75mm, and coning angle is 55 DEG C ~ 65 DEG C;
Described refractory plate is the flat hot plate of low conduction, and the material of described plate is carborundum plate face.
For solving the problems of the technologies described above, present invention also offers a kind of detection method of dangerous material solid oxidation, 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;
3rd step, adopts mechanical means to mix described reference material potassium bromate and dry cellulosic silk;
4th step, adopts mechanical means to mix sample to be tested and dry cellulosic silk;
5th step, adopts above-mentioned device for detecting oxidability of solid hazardous article to measure the burning time of described reference material potassium bromate;
6th step, adopts above-mentioned device for detecting oxidability of solid hazardous article to measure the burning time of described sample to be tested;
7th step, by comparing the burning time of sample to be tested described in burning time of described reference material potassium bromate and described 6th step that the 5th step obtains, obtains the oxidisability of described sample to be tested.
Wherein, the described first step can also comprise further, the length of described dry cellulosic silk is preferably 50 μm ~ 250 μm, mean diameter is preferably 25 μm, constant weight is dried at the temperature of 100 DEG C ~ 105 DEG C, described drying time is at least 4 hours, and after dry, cooling is stand-by, and in described dry cellulosic silk, water cut is less than 0.5%;
Described reference material potassium bromate is selected through to sieve but the particle diameter that can not grind is the potassium bromate of 0.15mm ~ 0.3mm, and at the temperature of 60 DEG C ~ 70 DEG C, be dried to constant weight, described drying time is at least 12 hours, and after dry, cooling is stand-by;
Can also comprise further in described second step, check the particle whether being less than 500 μm containing diameter in sample to be tested, if the particle that diameter is less than 500 microns accounts for more than 10% of general assembly (TW), or this material is frangible, whole samples to be tested should be clayed into power so before the test;
In described 3rd step, described reference material potassium bromate can be respectively 3: 7,2: 3 and 3: 2 with described dry cellulosic silk according to mass ratio and mix;
In described 4th step, described sample to be tested can be respectively 4: 1 and 1: 1 with described dry cellulosic silk according to mass ratio and mix.
Present invention also offers the application of above-mentioned pick-up unit in dangerous material solid oxidation detects.
Present invention also offers the application of above-mentioned pick-up unit in the packaging grade judging dangerous material solid oxidation.
Present invention also offers the application of above-mentioned pick-up unit in freight transportation.
Relative to device for detecting oxidability of solid hazardous article of the prior art, the invention has the beneficial effects as follows:
Device for detecting oxidability of solid hazardous article provided by the invention and adopting in the method for this measurement device dangerous material solid oxidation by devising the technology such as tinsel ignition lead automatic lifting, self-clocking, remote pilot stopping, can science, efficiently and accurately the oxidisability of dangerous material solid to be measured is judged, the proper packing that it should be selected is sorted out, experimental implementation safety, can not endanger the health of human body of experimental implementation person simultaneously.
Accompanying drawing explanation
Fig. 1: the front view of device for detecting oxidability of solid hazardous article;
Fig. 2: the vertical view of device for detecting oxidability of solid hazardous article;
Fig. 3: the conical metal funnel sample preparation device sectional view of device for detecting oxidability of solid hazardous article.
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 device for detecting oxidability of solid hazardous article, it comprises: the heating controller of elevating lever 11, the tinsel ignition lead 9 be fixed on described elevating lever 11, described tinsel ignition lead, for control the lifting of described elevating lever 11 elevating lever controller, for making test samples form the sample preparation device 13 of definite shape and the refractory plate 10 for placing test samples.
Wherein, described device for detecting oxidability of solid hazardous article can also comprise automatic timing unit, described automatic timing unit is for recording the time being heated to described sample combustion reaction to be detected sample to be detected to make from the master switch opened on described voltage regulating device described tinsel ignition lead light a fire and terminating, when it heats from described tinsel ignition lead energising, automatically start timing, the precision of described automatic timing unit is 0.1s.
Wherein, described automatic timing unit can also comprise stopwatch display screen 6 and stopwatch stopping receiver of remote-control sytem 7 further.
Wherein, described 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, by controlling the button 8 of described elevating lever controller, control rising and the landing of described elevating lever 11.
Wherein, described 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, described tinsel ignition lead 9 is lighted a fire and starts heating, the heating-up temperature of described tinsel ignition lead 9 is regulated by observing described heating voltage display screen 1 and heating current display screen 2, and then regulate described voltage-regulation button 4, thus regulate the heated condition of described tinsel ignition lead 9.
Further, when opening described master switch 3, the regulation voltage of described voltage regulating device is the safe voltage maintaining 12V.
Wherein, the sample preparation device that described sample preparation device 13 can be made for stainless steel material, shape is preferably the shape of conical funnel, and its one end is closed, and interior diameter is 65mm ~ 75mm, and coning angle is 55 DEG C ~ 65 DEG C.
Wherein, described refractory plate 10 can be the flat hot plate of low conduction, the material of described plate can be carborundum plate face, and specification can be 145mm ~ 155mm × 145mm ~ 155mm × 4mm ~ 8mm, and described refractory plate is for the tinsel ignition lead 9 placing test samples and fixedly lower.
Wherein, described device for detecting oxidability of solid hazardous article is preferably only made up of said apparatus.
Device for detecting oxidability of solid hazardous article tool of the present invention is adopted to have the following advantages:
(1). high energy thermal source adopts Remote automatic lifting structure, well avoids the danger that the careless contact heater of operator is scalded;
(2). electronic stopclock is contained on test apparatus, makes test more convenient, and during on-test, stopwatch can self-clocking, and during off-test, remote control stops, more accurate when making tester;
(3). power supply for heat source adopts safety utilization of electric power voltage, and direct current about 12V is adjustable.
Present invention also offers a kind of method adopting above-mentioned device for detecting oxidability of solid hazardous article to carry out the detection of dangerous material solid oxidation, 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;
3rd step, adopts mechanical means to mix described reference material potassium bromate and dry cellulosic silk;
4th step, adopts mechanical means to mix sample to be tested and dry cellulosic silk;
5th step, adopts above-mentioned device for detecting oxidability of solid hazardous article to measure the burning time of described reference material potassium bromate;
6th step, adopts above-mentioned device for detecting oxidability of solid hazardous article to measure the burning time of described sample to be tested;
7th step, by comparing the burning time of sample to be tested described in burning time of described reference material potassium bromate and described 6th step that the 5th step obtains, obtains the oxidisability of described sample to be tested.
Wherein, described sample to be tested can be any dangerous material solid, such as chromium trioxide, potassium permanganate, ammonium nitrate crystals, nickel nitrate etc.
Wherein, the described first step may further include, the length of described dry cellulosic silk is preferably 50 μm ~ 250 μm, mean diameter is preferably 25 μm, constant weight is dried at the temperature of 100 DEG C ~ 105 DEG C, described drying time is at least 4 hours, and after dry, cooling is stand-by, and in described dry cellulosic silk, water cut is less than 0.5%.
Wherein, the described first step may further include, and selects through to sieve but the particle diameter that can not grind is the potassium bromate of 0.15mm ~ 0.3mm, at the temperature of 60 DEG C ~ 70 DEG C, is dried to constant weight, described drying time is at least 12 hours, and after dry, cooling is stand-by.
Wherein, described second step comprises further, check the particle whether being less than 500 μm containing diameter in sample to be tested, if the particle that diameter is less than 500 microns accounts for more than 10% of general assembly (TW), or this material is frangible, whole samples to be tested should be clayed into power so before the test, if the object done like this is to contain the little sample of a large amount of particle diameter or frangible sample in test sample, then this sample of direct-detection oxidability and packaging rank, thus look after fill particle diameter in discharge conveyor process reduce or frangible time cause its oxidability and packaging level other change.
Wherein, in described 3rd step, described reference material potassium bromate is respectively 3: 7,2: 3 and 3: 2 with described dry cellulosic silk according to mass ratio and mixes.
Wherein, in described 4th step, described sample to be tested is respectively 4: 1 and 1: 1 with described dry cellulosic silk according to mass ratio and mixes.
Wherein, described 5th step comprises further,
A. the described sample preparation device 13 potpourri of the described reference material potassium bromate prepared in described 3rd step and described dry cellulosic silk being put into described device for detecting oxidability of solid hazardous article makes certain shape;
B. control described elevating lever 11 by described elevating lever controller drive described tinsel ignition lead 9 to drop on described refractory plate 10 and be fixed in the above;
C. be fixed on the described tinsel ignition lead 9 on described refractory plate 10 described in the described potpourri forming definite shape in the described sample preparation device 13 in described a step being covered in;
D. described tinsel ignition lead 9 is heated by described tinsel ignition lead heating controller, record the burning time of described potpourri, described burning time can be heated to from described tinsel ignition lead heating controller the time that described potpourri key reaction terminates just, can by observing the flame of described mixture burns, scorching hot or aphlogistic situation judges that burning terminates.
Wherein, described 6th step comprises further,
A. the described sample preparation device 13 potpourri of the described sample to be tested prepared in described 4th step and described dry cellulosic silk being put into described device for detecting oxidability of solid hazardous article makes certain shape;
B. control described elevating lever 11 by described elevating lever controller drive described tinsel ignition lead 9 to drop on described refractory plate 10 and be fixed in the above;
C. be fixed on the described tinsel ignition lead 9 on described refractory plate 10 described in the described potpourri forming definite shape in the described sample preparation device in described a step being covered in;
D. described tinsel ignition lead 9 is heated by described tinsel ignition lead heating controller, record the burning time of described potpourri, described burning time can be heated to from described tinsel ignition lead heating controller the time that described potpourri key reaction terminates just, can by observing the flame of described mixture burns, scorching hot or aphlogistic situation judges that burning terminates.
Wherein, in described 5th step and described 6th step in detection time, described tinsel ignition lead 9 moment should keep "on" position, if tinsel ignition lead 9 ruptures within detection time, the tinsel ignition lead that should more renew re-starts detection.
Wherein, by described tinsel ignition lead heating controller heating process in described 5th step and described 6th step, Control of Voltage is at 12V.
Wherein, it is test in the fuming cupboard being less than 0.5m/s that device for detecting oxidability of solid hazardous article described in described 5th step and described 6th step needs in gas velocity, described atmospheric pressure should under 98kPa-101.3kPa, described environment should at the temperature of 20 DEG C ~ 25 DEG C, and the exhaust system of described fuming cupboard is for absorbing the poisonous flue gas produced in combustion process.
Wherein, described 7th step comprises further, when described sample to be tested and described dry cellulosic silk potpourri are tested by weight 4: 1 and 1: 1, all misfire and burn, or burning time is greater than the average burning time of described reference substance potassium bromate and the described dry cellulosic silk potpourri by weight 3: 7, then this sample to be tested does not have oxidisability;
The burning time that described reference substance potassium bromate and described dry cellulosic silk are the potpourri of 3: 2 is by weight less than when described sample to be tested and the described dry cellulosic silk potpourri mixture burns time by weight 4: 1 or 1: 1, then this sample to be tested has oxidisability, now, the packaging classification of such dangerous material solid is I class packaging;
Described sample to be tested and the described dry cellulosic silk potpourri mixture burns time by weight 4: 1 or 1: 1 is less than the burning time that described reference substance potassium bromate and described dry cellulosic silk are the potpourri of 2: 3 by weight, and do not meet the requirement of I class packaging, then this sample to be tested has oxidisability, now, the packaging classification of such dangerous material solid is II class packaging;
Described sample to be tested and the described dry cellulosic silk potpourri mixture burns time by weight 4: 1 or 1: 1 is less than the average burning time that described reference substance potassium bromate and described dry cellulosic silk are the potpourri of 3: 7 by weight, and do not meet the requirement of I and II class packaging, then this sample to be tested has oxidisability, now, the packaging classification of such dangerous material solid is III class packaging.
Wherein, the method that described dangerous material solid oxidation detects preferably only is made up of above-mentioned steps.
Present invention also offers the application of said apparatus in dangerous material solid oxidation detects.
Present invention also offers the application of said apparatus in the packaging grade judging dangerous material solid oxidation.
Present invention also offers the application of said apparatus in freight transportation.
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical matters whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
As shown in Figure 1 to Figure 3, the used device for detecting oxidability of solid hazardous article detecting the oxidisability of dangerous material solid of the present invention, this device by plant bottom case 5, elevating lever 11, the tinsel ignition lead 9 be fixed on described elevating lever 11, described tinsel ignition lead heating controller, for controlling elevating lever controller that described elevating lever 11 is elevated, for making test samples form coniform metal funnel sample preparation device 13, form for the low heat conduction dull and stereotyped 10 and automatic timing unit of placing test samples.
By controlling the button 8 of described elevating lever controller, control rising and the landing of described elevating lever 11.
Described 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.
Described automatic timing unit comprises stopwatch display screen 6 and stopwatch stops receiver of remote-control sytem 7, and when described automatic timing unit heats being energized from tinsel ignition lead 9, automatically start timing, the precision of described automatic timing unit is 0.1s.
Described tinsel ignition lead 9 is nickel-chromium material, and shape is annular, and length is 30mm, and diameter is 0.6mm, and resistance value is 6.0 ohm/meter, and power is 150 ± 7 watts.
Described conical metal funnel sample preparation device 13 adopts stainless steel material to be prepared from, and its one end is closed, and internal diameter is 70mm, and coning angle is 60 DEG C.
The material of the flat hot plate 10 of described low conduction is 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 within the scope of 50 μm ~ 250 μm, its mean diameter was 25 μm, by the described dry cellulosic silk chosen at the temperature of 105 DEG C dry 6 hours, to constant weight, cool stand-by, after testing, in described dry cellulosic silk, water cut is 0.3%.
Commercially pure potassium bromate sieves but does not grind, and chooses the potassium bromate 1000g that particle diameter is 0.15mm ~ 0.3mm scope, and at the temperature of 65 DEG C, drying 12 hours, to constant weight, cools stand-by.
The inspection of embodiment 2 sample to be tested
Check the particle whether being less than 500 μm containing diameter in sample to be tested sodium nitrate, if the particle that diameter is less than 500 microns accounts for more than 10% of general assembly (TW), or this material is frangible, whole samples to be tested should be clayed into power so before the test.
Embodiment 3 potassium bromate mixes with dry cellulosic silk
Weighing 30g potassium bromate and 210g dry cellulosic silk, according to ratio mix and blend in machine mixer of mass ratio 3: 7, obtain well-mixed potpourri 1.
Embodiment 4 potassium bromate mixes with dry cellulosic silk
Weighing 30g potassium bromate and 45g dry cellulosic silk, according to ratio mix and blend in machine mixer of mass ratio 2: 3, obtain well-mixed potpourri 2.
Embodiment 5 potassium bromate mixes with dry cellulosic silk
Weighing 30g potassium bromate and 20g dry cellulosic silk, according to ratio mix and blend in machine mixer of mass ratio 3: 2, obtain well-mixed potpourri 3.
Embodiment 6 sample to be tested mixes with dry cellulosic silk
Weighing 30g sample to be tested sodium nitrate and 7.5g dry cellulosic silk are ratio mix and blend in machine mixer of 4: 1 according to mass ratio, obtain well-mixed potpourri 4.
Embodiment 7 sample to be tested mixes with dry cellulosic silk
Weighing 30g sample to be tested sodium nitrate and 30g dry cellulosic silk are ratio mix and blend in machine mixer of 1: 1 according to mass ratio, obtain well-mixed potpourri 5.
Embodiment 8
The coniform metal funnel sample preparation device 13 potpourri 1 being put into device for detecting oxidability of solid hazardous article makes the truncated cone that base diameter is 70mm, open the button 8 of elevating lever controller, elevating lever 11 is declined, the tinsel ignition lead 9 being fixed on the annular on elevating lever 11 is lain in low to being on dull and stereotyped 10, the potpourri 1 in sample preparation device 13 is covered on tinsel ignition lead 9.
Open master switch 3, by observing heating voltage display screen 1 and heating current display screen 2, and regulation voltage regulates button 4 by the Control of Voltage of tinsel ignition lead heating controller under the safe voltage of 12V, now, tinsel ignition lead 9 starts heating, automatic timing unit starts timing automatically when described tinsel ignition lead 9 energising starts heating, observe the flame of potpourri 1, when fray-out of flame, start the watch stops receiver of remote-control sytem 7 to stop manual time-keeping, obtains the burning time 1 of potpourri 1.
Repeat preparation 5 potpourris 1 and carry out 5 times to detect, obtain the average burning time a of potpourri 1.
Embodiment 9 to embodiment 13
Detect with the potpourri 1 in potpourri 2 to 5 alternate embodiment 8, obtain burning time, in table 1.
All above-mentioned this intellecture properties of primary enforcement, not setting 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 is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a device for detecting oxidability of solid hazardous article, it is characterized in that, comprising: the heating controller of elevating lever, the tinsel ignition lead be fixed on described elevating lever, described tinsel ignition lead, for control described lifter rod lifting elevating lever controller, for making test samples form the sample preparation device of definite shape and the refractory plate for placing test samples.
2. device for detecting oxidability of solid hazardous article as claimed in claim 1, it is characterized in that: described device for detecting oxidability of solid hazardous article also comprises automatic timing unit, when it heats from described tinsel ignition lead energising, automatically start timing, the precision of described automatic timing unit is 0.1s.
3. dangerous material fixed oxygen voltinism pick-up unit as claimed in claim 1 or 2, is characterized in that: described automatic timing unit also comprises stopwatch display screen and stopwatch stops receiver of remote-control sytem.
4. the device for detecting oxidability of solid hazardous article as described in claims 1 to 3, it is characterized in that: described tinsel ignition lead is annular, 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. a device for detecting oxidability of solid hazardous article, it is characterized in that, comprising: the heating controller of elevating lever, the tinsel ignition lead be fixed on described elevating lever, described tinsel ignition lead, for control described lifter rod lifting elevating lever controller, for make test samples formed definite shape sample preparation device, for placing refractory plate and the automatic timing unit of test samples;
Described automatic timing unit further comprises stopwatch display screen and stopwatch stops receiver of remote-control sytem;
Described tinsel ignition lead is 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;
By controlling the button of described elevating lever controller, control rising and the landing of described elevating lever;
Described tinsel ignition lead heating controller can comprise voltage regulating device, heating voltage display screen, heating current display screen, voltage-regulation button and master switch;
Described sample preparation device is the sample preparation device that stainless steel material is made, and shape is the shape of conical funnel, and its one end is closed, and interior diameter is 65mm ~ 75mm, and coning angle is 55 DEG C ~ 65 DEG C;
Described refractory plate is the flat hot plate of low conduction, and the material of described plate is carborundum plate face.
6. a detection method for dangerous material solid oxidation, 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;
3rd step, adopts mechanical means to mix described reference material potassium bromate and dry cellulosic silk;
4th step, adopts mechanical means to mix sample to be tested and dry cellulosic silk;
5th step, adopts the device for detecting oxidability of solid hazardous article described in any one of claim 1 to 5 to measure the burning time of described reference material potassium bromate;
6th step, adopts the device for detecting oxidability of solid hazardous article described in any one of claim 1 to 5 to measure the burning time of described sample to be tested;
7th step, by comparing the burning time of sample to be tested described in burning time of described reference material potassium bromate and described 6th step that the 5th step obtains, obtains the oxidisability of described sample to be tested.
7. detection method as claimed in claim 6, is characterized in that:
The described first step comprises further, the length of described dry cellulosic silk is preferably 50 μm ~ 250 μm, mean diameter is preferably 25 μm, constant weight is dried at the temperature of 100 DEG C ~ 105 DEG C, described drying time is at least 4 hours, after dry, cooling is stand-by, and in described dry cellulosic silk, water cut is less than 0.5%;
Described reference material potassium bromate is selected through to sieve but the particle diameter that can not grind is the potassium bromate of 0.15mm ~ 0.3mm, and at the temperature of 60 DEG C ~ 70 DEG C, be dried to constant weight, described drying time is at least 12 hours, and after dry, cooling is stand-by;
Described second step comprises further, check the particle whether being less than 500 μm containing diameter in sample to be tested, if the particle that diameter is less than 500 microns accounts for more than 10% of general assembly (TW), or this material is frangible, whole samples to be tested should be clayed into power so before the test;
In described 3rd step, described reference material potassium bromate is respectively 3: 7,2: 3 and 3: 2 with described dry cellulosic silk according to mass ratio and mixes;
In described 4th step, described sample to be tested is respectively 4: 1 and 1: 1 with described dry cellulosic silk according to mass ratio and mixes.
8. the application of the pick-up unit described in any one of claim 1 to 5 in dangerous material solid oxidation detects.
9. the application of the pick-up unit described in any one of claim 1 to 5 in the packaging grade judging dangerous material solid oxidation.
10. the application of the pick-up unit described in any one of claim 1 to 5 in freight transportation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446420.7A CN105067753A (en) | 2015-07-27 | 2015-07-27 | Hazardous material solid oxidation property detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510446420.7A CN105067753A (en) | 2015-07-27 | 2015-07-27 | Hazardous material solid oxidation property detection apparatus |
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| 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 |
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| CN102507848A (en) * | 2011-10-19 | 2012-06-20 | 中国石油化工股份有限公司 | Device for detecting oxidability of solid hazardous article |
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| CN102507848A (en) * | 2011-10-19 | 2012-06-20 | 中国石油化工股份有限公司 | Device for detecting oxidability of solid hazardous article |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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