CN203981613U - A kind of carbon content tester - Google Patents
A kind of carbon content tester Download PDFInfo
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- CN203981613U CN203981613U CN201420397398.2U CN201420397398U CN203981613U CN 203981613 U CN203981613 U CN 203981613U CN 201420397398 U CN201420397398 U CN 201420397398U CN 203981613 U CN203981613 U CN 203981613U
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- nitrogen
- quartz ampoule
- carbon content
- gas piping
- content tester
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Abstract
The utility model provides a kind of carbon content tester, comprising: heating furnace, quartz ampoule, flowmeter, and gas piping, described quartz ampoule runs through described heating furnace; The gas piping that entrance is provided with nitrogen air intake valve and entrance are connected with described flowmeter, quartz ampoule after being provided with the gas piping parallel connection of oxygen air intake valve successively; In described quartz ampoule, be provided with temperature sensor, wherein, on the gas piping between described nitrogen air intake valve and flowmeter, be also in series with successively nitrogen Drexel bottle and exsiccator.Test with nitrogen by purification, reduce the test error of bringing because nitrogen is impure, can measure accurately and effectively content of carbon black; By increasing emission-control equipment, reduce the pollution of discharge to air; Can reduce experimental procedure and operate miss by above structure, and simple in structure, easy to utilize.
Description
Technical field
The utility model relates to field of polymer material detection, particularly a kind of carbon content tester.
Background technology
Now increasing plastic products are applied in daily production and life, and the ultraviolet ray that polyolefine material can be subject in daylight is irradiated, accelerated deterioration process, in order to prevent this process, people add carbon black to reach this object conventionally in polyolefin, and the number of content of carbon black directly affects polyolefinic ageing-resistant degree.Therefore, we need content of carbon black in test material to ensure the ultraviolet aging resistance performance of goods.Conventionally the means of testing that we take has two kinds: one is directly to adopt muffle furnace under different temperatures, to decompose respectively polyolefin resin and carbon black, obtain weight difference, calculate content of carbon black, the method length consuming time, and because muffle furnace is relatively airtight environment, content of carbon black deviation is larger; Another kind is the tubular furnace+muffle furnace that adopts band heating, first in 550 DEG C of logical nitrogen situations, decompose polyolefin resin, then in muffle furnace, decompose carbon black, the method is shorter than the first relative time, content of carbon black is also relatively accurate, but because traditional tester does not have nitrogen decontamination plant, nitrogen can contain a small amount of oxygen, can cause test result to have certain deviation, traditional tester and muffle furnace do not have waste gas purification apparatus yet simultaneously, the waste gas meeting contaminated air of discharge, because test adopts two kinds of equipment, process is relative complex also in addition.
Utility model content
The technical problems to be solved in the utility model is to overcome the above-mentioned defect that known technology exists, and provide a kind of carbon content tester, can reduce the impure measuring error of bringing of nitrogen, can measure accurately and effectively content of carbon black, and can reduce experimental procedure and operate miss, simple in structure, easy to utilize.
The utility model is achieved through the following technical solutions, and a kind of carbon content tester providing according to the utility model, comprising: heating furnace, quartz ampoule, flowmeter, and gas piping, described quartz ampoule runs through described heating furnace; The gas piping that entrance is provided with nitrogen air intake valve and entrance are connected with described flowmeter, quartz ampoule after being provided with the gas piping parallel connection of oxygen air intake valve successively; In described quartz ampoule, be provided with temperature sensor, wherein, on the gas piping between described nitrogen air intake valve and flowmeter, be also in series with successively nitrogen Drexel bottle and exsiccator.
The utility model can also take following technical scheme further to realize:
Aforesaid carbon content tester, wherein, described quartz ampoule is also connected with emission-control equipment.
Aforesaid carbon content tester, wherein, described nitrogen Drexel bottle is the Drexel bottle that technical grade pyrogaelol and the potassium hydroxide mixed solution of 1/3 volume are housed.
Aforesaid carbon content tester, wherein, described emission-control equipment is made up of one-level Drexel bottle and the secondary Drexel bottle of the technical grade triclene that 1/2 volume is housed respectively.
Aforesaid carbon content tester, wherein, described one-level Drexel bottle is placed in cooling device, and the heat eliminating medium of described cooling device is mixture of ice and water.
Aforesaid carbon content tester, wherein, described exsiccator is the U-shaped pipe that drying agent is housed.
Aforesaid carbon content tester, wherein, described heating furnace is tubular heater.
The utility model compared with prior art at least has the following advantages:
Test with nitrogen by purification, reduce the test error of bringing because nitrogen is impure, can measure accurately and effectively content of carbon black;
By increasing emission-control equipment, reduce the pollution of discharge to air;
Can reduce experimental procedure and operate miss by above structure, and simple in structure, easy to utilize.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model carbon content tester;
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to structure of the present utility model, feature and effect thereof, be described in detail as follows:
As shown in Figure 1, the utility model provides a kind of carbon content tester, comprising: heating furnace 10, quartz ampoule 11, flowmeter 7, and gas piping 2, described quartz ampoule runs through described heating furnace; The gas piping that entrance is provided with nitrogen air intake valve 1 and entrance are connected with described flowmeter 7, quartz ampoule 11 after being provided with the gas piping parallel connection of oxygen air intake valve 16 successively; In described quartz ampoule, be provided with temperature sensor (not shown), wherein, on the gas piping between described nitrogen air intake valve and flowmeter, be also in series with successively nitrogen Drexel bottle 15 and exsiccator 4.
Preferably, described temperature sensor is nickel/chromium/nickel temperature sensor, for the temperature of test sample is measured, and shows with numeral.
Preferably, described exsiccator is the U-shaped pipe that drying agent is housed; This U-shaped pipe is fixed by a geometrical clamp 5.
Preferably, described heating furnace is tubular heater.
Preferably, technical grade pyrogaelol and the potassium hydroxide mixed solution of 1/3 volume is housed in described nitrogen Drexel bottle, described technical grade pyrogaelol and potassium hydroxide mixed solution be by 5g pyrogaelol, 50g potassium hydroxide, 100ml distilled water composition.
Present embodiment can further be passed through structure below and realize:
Aforesaid carbon content tester, wherein, described quartz ampoule is also connected with emission-control equipment.Preferably, described emission-control equipment is made up of one-level Drexel bottle 14 and the secondary Drexel bottle 9 of the technical grade triclene that 1/2 volume is housed respectively.
Preferably, described one-level Drexel bottle is placed in cooling device, and described cooling device is for being equipped with the beaker of mixture of ice and water (0 DEG C).
Testing process below in conjunction with accompanying drawing 1 and content of carbon black is described in detail as follows:
First combustion boat and the combustion boat that detected material is housed are successively measured to weight, be then placed in the quartz ampoule 11 of tubular heater 10 detected combustion boat of expecting is housed; Nitrogen is passed into technical grade pyrogaelol and potassium hydroxide mixed solution (5g pyrogaelol that 1/3 volume is housed, 50g potassium hydroxide, 100ml distilled water) nitrogen Drexel bottle 15 in, nitrogen is purified, the amount of oxygen that nitrogen after purification contains is less than 20PPM, then by this nitrogen by the U-shaped pipe 4 of drying agent is housed, nitrogen is dried, after flowmeter 7 adjust fluxes, (flow velocity of nitrogen is 100cm to dried nitrogen
3/ min), enter in the tubular heater of heating, under nitrogen protection, when 550 ± 50 DEG C of temperature, material is decomposed, the time is 45min, turn off nitrogen air intake valve 1, then combustion boat is taken out after cooling and weigh, again put into the quartz ampoule 11 of tubular heater 10; Tubular heater is heated to 900 ± 50 DEG C, and passing into flow is 200cm
3the oxygen of/min, keeps 10min, turns off oxygen air intake valve 16, combustion boat is taken out to weigh.
Calculate content of carbon black according to formula:
Content of carbon black=[(m3-m2)/(m1-m0)] × 100%
Wherein: m0=combustion boat quality
M1=combustion boat sample quality
Quality under m2=nitrogen after burning
Quality under m3=oxygen after burning
In test process, the waste gas of burning is by being equipped with respectively one-level Drexel bottle 14 and the secondary Drexel bottle 9 of technical grade triclene of 1/2 volume, waste gas is filtered, and wherein one-level Drexel bottle is placed in the beaker that mixture of ice and water (0 DEG C) is housed, and carries out cooling to waste gas; Waste gas after filtration is directly discharged in atmosphere.
Compared with prior art, test with nitrogen by purification, reduce the test error of bringing because nitrogen is impure, can measure accurately and effectively content of carbon black; By increasing emission-control equipment, reduce the pollution of discharge to air; Can reduce experimental procedure and operate miss by above structure, and simple in structure, easy to utilize.
The above is only preferred embodiment of the present utility model, and every any simple modification and equivalents of above embodiment being carried out according to the technical solution of the utility model all belongs to the scope that the utility model is protected.
Claims (7)
1. a carbon content tester, comprising: heating furnace, quartz ampoule, flowmeter, and gas piping, described quartz ampoule runs through described heating furnace; The gas piping that entrance is provided with nitrogen air intake valve and entrance are connected with described flowmeter, quartz ampoule after being provided with the gas piping parallel connection of oxygen air intake valve successively; In described quartz ampoule, be provided with temperature sensor, it is characterized in that, on the gas piping between described nitrogen air intake valve and flowmeter, be also in series with successively nitrogen Drexel bottle and exsiccator.
2. carbon content tester according to claim 1, is characterized in that, described quartz ampoule is also connected with emission-control equipment.
3. carbon content tester according to claim 2, is characterized in that, described nitrogen Drexel bottle is the Drexel bottle that technical grade pyrogaelol and the potassium hydroxide mixed solution of 1/3 volume are housed.
4. carbon content tester according to claim 3, is characterized in that, described emission-control equipment is made up of one-level Drexel bottle and the secondary Drexel bottle of the technical grade triclene that 1/2 volume is housed respectively.
5. carbon content tester according to claim 4, is characterized in that, described one-level Drexel bottle is placed in cooling device, and the heat eliminating medium of described cooling device is mixture of ice and water.
6. according to the carbon content tester described in any one in claim 1 to 5, it is characterized in that, described exsiccator is the U-shaped pipe that drying agent is housed.
7. according to the carbon content tester described in any one in claim 1 to 5, it is characterized in that, described heating furnace is tubular heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397398.2U CN203981613U (en) | 2014-07-17 | 2014-07-17 | A kind of carbon content tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420397398.2U CN203981613U (en) | 2014-07-17 | 2014-07-17 | A kind of carbon content tester |
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| Publication Number | Publication Date |
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| CN203981613U true CN203981613U (en) | 2014-12-03 |
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| CN201420397398.2U Active CN203981613U (en) | 2014-07-17 | 2014-07-17 | A kind of carbon content tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504844A (en) * | 2020-05-21 | 2020-08-07 | 宁夏计量质量检验检测研究院 | Full-automatic carbon black determination device |
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2014
- 2014-07-17 CN CN201420397398.2U patent/CN203981613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504844A (en) * | 2020-05-21 | 2020-08-07 | 宁夏计量质量检验检测研究院 | Full-automatic carbon black determination device |
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