CN201251572Y - Gas inflammability-testing tester - Google Patents
Gas inflammability-testing tester Download PDFInfo
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- CN201251572Y CN201251572Y CNU2008202003339U CN200820200333U CN201251572Y CN 201251572 Y CN201251572 Y CN 201251572Y CN U2008202003339 U CNU2008202003339 U CN U2008202003339U CN 200820200333 U CN200820200333 U CN 200820200333U CN 201251572 Y CN201251572 Y CN 201251572Y
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Abstract
The utility model provides a gas inflammability-testing tester, which comprises a testing cabinet, a reaction unit and a tested sample pressure-releasing unit; wherein, one side of the testing cabinet is provided with an observation window; and the reaction unit is mounted in the testing cabinet. The gas inflammability-testing tester has the following characteristics: the reaction unit comprises a reaction tube, an ignition unit, gas flowmeters and related connecting pipelines; the reaction tube is uprightly mounted on a test tube pedestal, the lower end of which is provided with a safety cover; the upper end of the reaction tube is sealed by an upper cover, which is provided with a vent and connected with an exhaust tube; the ignition unit comprises a spark plug and a wire connected with the spark plug; the spark plug is fixed in the reaction tube and close to the lower end of the reaction tube; an inlet tube, the terminal of which is arranged opposite to the ignition end of the spark plug, enters into the reaction tube from the lower end of the reaction tube; and the two inlet ends of the inlet tube respectively pass through the two gas flowmeters via pipelines to be connected with a compressed air storage unit and the tested sample pressure-releasing unit. The utility model has the advantages of cheapness, quick testing, convenient use and accurate testing results.
Description
Technical field
The utility model relates to the classification and Detection field of dangerous material, is specifically related to a kind of gas inflammability and detects test instrument.
Background technology
Dangerous material second class comprises gases such as pressure gas, liquid gas, dissolved gas, gaseous mixture, smoke agent, because the chemical property of gas differs greatly, can be divided into inflammable, poisonous, inertia but have that suffocate, combustion-supporting, corrosion etc., so at present domesticly the sort program and the test method of second class (gas) dangerous cargo are not carried out systematic research as yet.In the United Nations's " about the recommendation regulations and model of Dangerous Goods Transport " and national standard, be divided into according to the chemical property of gas: the 2.1st class inflammable gas, non-inflammable, the non-toxic gas of the 2.2nd class, the 2.3rd class toxic gas.
At present, to the analytical instrument of the 2.1st class inflammable gas, mainly contain some detection alarm devices of the development at preventing gas from leaking, as flammable gas detector, inflammable gas alarm controller etc.; Measure the instrument of gas concentration or analytical gas component,, and still find no test apparatus or the similar test apparatus that is used to judge gas inflammability as the inflammable gas analyser etc.
Summary of the invention
It is low that the purpose of this utility model provides a kind of price, detect quick, easy to use, testing result gas inflammability accurately detects test instrument, this test instrument can carry out the qualitative classification test to gas inflammability, judge the hazard property of inflammable gas, and to the packing classification of inflammable gas with checked directive function.
The technical solution of the utility model is as follows:
A kind of gas inflammability detects test instrument, comprise that a side is provided with the experiment cabinet of view window, be installed in the reaction unit in the experiment cabinet, and sample decompression releasing means, it is characterized in that: described reaction unit comprises reaction tube, portfire, gas meter and relevant connection pipeline, reaction tube vertically is installed on the test tube flat that the lower end is provided with safety head, the reaction tube upper end seals by loam cake, on be covered with exhausr port and connect gas outlet, portfire comprises spark plug and connected lead, spark plug is fixed in the reaction tube and near the lower end of reaction tube, draft tube enters in the reaction tube from the reaction tube lower end, and terminal plug ignition end relatively is provided with, and is divided into the inlet end of the draft tube of two-way, by pipeline respectively through two gas meters, connect pressurized air reservoir and sample decompression releasing means, sample decompression releasing means comprises base, is installed in adjustable support and baffle plate on the base, be fixed on the gas cylinder socket on the support, the gas cylinder socket is connected with reduction valve.
Be respectively equipped with the thermopair that is connected with pilot lamp near the described spark plug and near the loam cake.
When using the utility model to test, tested gas (gaseous material or gaseous mixture) and pressurized air enter draft tube by two gas meters respectively, enter in the reaction tube after fully mixing, open the valve of reaction tube top gas outlet, feed gaseous mixture tens of seconds, original air in the extrusion reaction pipe behind the gassy potpourri, promptly stops air inlet and closes exhaust valve in the assurance reaction tube.
Open exhaust valve before the fire trial, make the pressure of gaseous mixture be equal to atmospheric pressure, begin to carry out fire trial then, for guaranteeing safety, low concentration prior to gaseous mixture is tested, whether gaseous mixture is flammable in the observing response pipe, as not burning, adjust gas to be measured and compressed-air actuated flow is tested by above-mentioned steps again, find the least concentration of gas to be measured (as flammable) burning, judge the inflammability of gas and the hazard property of inflammable gas according to test findings.
In the utility model, sample gas and pressurized air use the binary channels input, guarantee that sample and pressurized air accurately mix in the ratio of test request; Be respectively equipped with the thermopair that is connected with pilot lamp near the spark plug and near the loam cake, be easy to spreading of flame detection; The test tube flat lower end is provided with safety head, mixed gas burning in a single day in pipe during test, will wash safety head open discharges rapidly, thereby reduce the risk of reaction tube blast, the entire reaction device is installed in the experiment cabinet, guarantee the safety of experimenter and equipment, the danger that brings because of the breaking-up of pipe in the accidental explosive incident is dropped to minimum; Experiment cabinet one side is provided with the view window that the high-strength transparence material is made, the convenient observation; The design-adjustable of sample decompression releasing means can be applicable to the fixedly gas bomb of all size, convenient test.
The utility model price is low, detects quick, easy to use, testing result is accurate, can be directly the gas inflammability of dangerous cargo second class be carried out the qualitative classification test, judge the hazard property of the 2.1st class inflammable gas, and to the packing classification of inflammable gas with checked directive function.
Description of drawings
Fig. 1 is the structural representation that dissects of the present utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the sample decompression releasing means structural representation in the utility model.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, a kind of gas inflammability detects test instrument, comprise that a side is provided with the experiment cabinet 1 of view window, be installed in the reaction unit in the experiment cabinet 1, and sample decompression releasing means, reaction unit comprises reaction tube 2, portfire 3, gas meter 4 and relevant connection pipeline, reaction tube 2 vertically is installed on the test tube flat 5 that the lower end is provided with safety head 51, reaction tube 2 upper ends are by loam cake 6 sealings, loam cake 6 is provided with exhausr port and connects gas outlet 7, portfire 3 comprises spark plug 31 and connected lead 32, spark plug 31 is fixed in the reaction tube 2 and near the lower end of reaction tube 2, draft tube 8 enters in the reaction tube 2 from reaction tube 2 lower ends, terminal spark plug 31 firing tip settings relatively, the inlet end that is divided into the draft tube 8 of two-way, by pipeline respectively through two gas meters 4, connect pressurized air reservoir and sample decompression releasing means, sample decompression releasing means comprises base 9, be installed in support 11 and baffle plate 12 on the base 9 by screw 10, baffle plate is provided with limited block 121, support 11 and baffle plate 12 can slide on base 9 by unclamping screw 10, thereby regulate the distance between support 11 and the baffle plate 12, be applicable to the fixedly gas bomb 13 of all size, be fixed on the gas cylinder socket 14 on the support 11, gas cylinder socket 14 is connected with reduction valve 15.
Be respectively equipped with the thermopair 17 that is connected with pilot lamp 16 near the spark plug 31 and near the loam cake 6.
When using the utility model to test, tested gas (gaseous material or gaseous mixture) and pressurized air enter draft tube 8 by two gas meters 4 respectively, enter in the reaction tube 2 after fully mixing, open the valve 18 of reaction tube 2 top gas outlets 7, feed gaseous mixture tens of seconds, original air in the extrusion reaction pipe 2 behind the gassy potpourris, promptly stops air inlet and closes gas outlet 7 valves 18 in the assurance reaction tube 2.
Claims (4)
1. a gas inflammability detects test instrument, comprise that a side is provided with the experiment cabinet of view window, be installed in the reaction unit in the experiment cabinet, and sample decompression releasing means, it is characterized in that: described reaction unit comprises reaction tube, portfire, gas meter and relevant connection pipeline, reaction tube vertically is installed on the test tube flat that the lower end is provided with safety head, the reaction tube upper end seals by loam cake, on be covered with exhausr port and connect gas outlet, portfire comprises spark plug and connected lead, spark plug is fixed in the reaction tube and near the lower end of reaction tube, draft tube enters in the reaction tube from the reaction tube lower end, and terminal plug ignition end relatively is provided with, and is divided into the inlet end of the draft tube of two-way, respectively through two gas meters, connect pressurized air reservoir and sample decompression releasing means by pipeline.
2. a kind of gas inflammability according to claim 1 detects test instrument, it is characterized in that: be respectively equipped with the thermopair that is connected with pilot lamp near the described spark plug and near the loam cake.
3. a kind of gas inflammability according to claim 1 detects test instrument, it is characterized in that: described sample decompression releasing means comprises base, is installed in support and baffle plate on the base, is fixed on the gas cylinder socket on the support, and the gas cylinder socket is connected with reduction valve.
4. a kind of gas inflammability according to claim 3 detects test instrument, and it is characterized in that: described support and baffle plate are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202003339U CN201251572Y (en) | 2008-09-10 | 2008-09-10 | Gas inflammability-testing tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202003339U CN201251572Y (en) | 2008-09-10 | 2008-09-10 | Gas inflammability-testing tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251572Y true CN201251572Y (en) | 2009-06-03 |
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ID=40747244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202003339U Expired - Fee Related CN201251572Y (en) | 2008-09-10 | 2008-09-10 | Gas inflammability-testing tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251572Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876655B (en) * | 2009-12-01 | 2013-05-15 | 中国检验检疫科学研究院 | Gas inflammability tester |
| CN104569285A (en) * | 2015-01-26 | 2015-04-29 | 威海埃姆提爱矿山设备有限公司 | Combustible gas detector |
| CN109000998A (en) * | 2018-09-04 | 2018-12-14 | 株洲时代新材料科技股份有限公司 | A kind of material at high temperature decomposes poison gas collection device and method |
-
2008
- 2008-09-10 CN CNU2008202003339U patent/CN201251572Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876655B (en) * | 2009-12-01 | 2013-05-15 | 中国检验检疫科学研究院 | Gas inflammability tester |
| CN104569285A (en) * | 2015-01-26 | 2015-04-29 | 威海埃姆提爱矿山设备有限公司 | Combustible gas detector |
| CN109000998A (en) * | 2018-09-04 | 2018-12-14 | 株洲时代新材料科技股份有限公司 | A kind of material at high temperature decomposes poison gas collection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20140910 |
|
| EXPY | Termination of patent right or utility model |