CN102156150A - Ignition effect tester for liquid dangerous goods under enclosed conditions - Google Patents
Ignition effect tester for liquid dangerous goods under enclosed conditions Download PDFInfo
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- CN102156150A CN102156150A CN2011100016627A CN201110001662A CN102156150A CN 102156150 A CN102156150 A CN 102156150A CN 2011100016627 A CN2011100016627 A CN 2011100016627A CN 201110001662 A CN201110001662 A CN 201110001662A CN 102156150 A CN102156150 A CN 102156150A
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Abstract
The invention discloses an ignition effect tester for liquid dangerous goods under enclosed conditions. A testing pressure chamber, an ignition system, an explosion-proof disk system, a pressure testing system and a pressure relief system are sealed by adopting a strip-shaped spiral seal gasket made of an expanded graphite particle material; inner sealed electronic ignition is adopted by an ignition plug of the ignition system, an ignition material covers outside an electric quick match on the ignition plug, a plastic film covers the electric quick match and the ignition material so as to prevent the liquid dangerous goods from being directly contacted with the electric quick match, and a lead on the electric quick match extends to the exterior of a fastening nut inside an insulator so as to control ignition through a workstation; and the bursting pressure of the explosion-proof disk system is 2,200+/-5kPa, and a high-accuracy high-frequency induction port is adopted by the pressure induction. The ignition effect tester is used for ignition test of the liquid dangerous chemicals under the enclosed conditions, can automatically start ignition and real-time record and output the pressure-time change in the testing pressure chamber, and is high in testing accuracy, and easy and convenient to operate and has a simple structure.
Description
Technical field
The invention belongs to the dangerous material test instrument, the particularly a kind of test instrument that can finish dangerous liquid material in sealing condition down-firing effect is used for determining whether dangerous liquid material has the violence of causing detonation character at the sealing condition down-firing.
Background technology
Hazardous chemical belongs to international forced examination commodity, in production, packing and storage and transport process as mishandlingly be easy to burn, accident such as blast, environment and health are worked the mischief, and the explosive nature thereof of wherein determining liquid chemical is an extremely complicated process.Liquid chemical is blasted needs three elements: fuel, combustion air and enough ignition energies.Under the usual conditions, when fuel and combustion air mix when reaching finite concentration, only 3～4mJ energy can cause detonation.Therefore, determine the igniting effect of liquid chemical under sealing condition, determining that promptly liquid chemical lights back pressure and rise to the required time of 2070kPa from 690kPa under sealing condition, is to judge whether pressure down-firing that a kind of liquid chemical may reach in the normal commercial parcel post has the important step of fierce detonation character.At present, firing system is tightened with iron wire and is prevented that liquid from directly contacting the electrical fuze head in the dangerous liquid material sealing condition down-firing effect, and complex operation, testing efficiency is low and can't guarantee sealing.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming and defect of prior art, a kind of dangerous liquid material sealing condition down-firing effect test instrument is provided, reduce unnecessary operation steps, improve the leakproofness of test instrument and the testing efficiency of dangerous liquid material.
To achieve these goals, the technical solution adopted in the present invention is: a kind of dangerous liquid material sealing condition down-firing effect test instrument, comprise test pressure cabin (1), explosion disk system (2), firing system (3), pressure testing system (4), pressure relief system (5), bracing frame (6), gasket seal (7), igniter plug (8), ground-electrode (9), electrical fuze head (12), seed material (13), plastic sheeting (14) and silicone rubber tube (15) are formed, two ends, test pressure cabin (1) are respectively with withstand voltage explosion-proof explosion disk system (2) and firing system (3) sealing, test pressure cabin (1) curved surface connects pressure testing system (4) and pressure relief system (5) respectively, and become 90 ° with the two sides of scabbling, firing system (3) adopts sealing igniter plug (8) as chief component, the port of placing igniter plug (8) be about the different wedge shape of bore; Use plastic sheeting (14) to cover electrical fuze head (12), the collaborative bottom, test pressure cabin (1) of finishing of silicone rubber tube (15) and insulating trip (11) seals; Pressure testing system (4) determination test pressure chamber (1) internal gas pressure situation of change, software data processing obtain the shortest time that pressure raises, and test pressure cabin (1) goes up the security that the pressure relief system of installing (5) is guaranteed pressure vessel.
The further change interpretation of related content in the technique scheme is as follows:
1. in the such scheme, described sealing firing system (3) adopts the electronic ignition of inner sealing formula, internal system is provided with igniter plug (8), the outer seed material (13) that covers of the electrical fuze head (12) of igniter plug (8), the electrical fuze head that covers seed material (13) is outside with plastic sheeting (14) parcel, the electrical fuze head (12) that is enclosed with plastic sheeting (14) is close to silicone rubber tube (15), and the other insulating trip (11) of simultaneously fitting of silicone rubber tube (15) cooperates the fastening force of clamp nut (10) directly to contact electrical fuze head (12) to prevent dangerous liquid material.
2. in the such scheme, described explosion disk system (2) adopts with test pressure cabin (1) port and is threaded, burst disk wherein is the high precision rupture diaphragm, parting pressure 2200kPa ± 5kPa, can ensure the stable rupture disk deformation effect that is not subjected to of test pressure cabin (1) internal pressure, simultaneously warranty test safety.
3. in the such scheme, described pressure testing system (4) adopts high-frequency induction port, frequency acquisition scope 30～200kHz, frequency collection precision ± 1Hz.
4. in the such scheme, described firing system (3), pressure testing system (4), explosion disk system (2) adopt with test pressure cabin (1) and are threaded, the ribbon spiral grommet type seal circle of the graphite particle pressurization integrated molding that use to expand is close, can be in warranty test pressure chamber (1) under low, the condition of high voltage and the condition of boosting rapidly good seal.
5. in the such scheme, described test pressure cabin (1), explosion disk system (2), firing system (3), pressure testing system and pressure relief system are anticorrosive material, as stainless steel.
Characteristics of the present invention are: the port of placing igniter plug (8) in the firing system (3) is the different wedge shape of bore up and down, use plastic sheeting (14) to cover electrical fuze head (12), with silicone rubber tube (15) applying insulating trip (11), rely on the fastening force of clamp nut (10) to finish fitting tightly of silicone rubber tube (15) and insulating trip (11), to prevent that dangerous liquid material from directly contacting electrical fuze head (12), because the utilization of technique scheme, the present invention has overcome poor sealing performance in the present prior art means, the data acquisition logging system error is big, there is the weak point of potential safety hazard, improved results precision, the automaticity height, reduced labour intensity.
Description of drawings
Fig. 1 is the structure member sectional view of dangerous liquid material sealing condition down-firing effect test instrument
Fig. 2 is the section of structure of igniter plug in the firing system
Fig. 3 is the side cutaway view of dangerous liquid material sealing condition down-firing effect test instrument
In the above accompanying drawing: 1. test pressure cabin; 2. explosion disk system; 3. firing system; 4. pressure testing system; 5. rush down pressing system; 6. bracing frame; 7. gasket seal; 8. igniter plug; 9. ground-electrode; 10. clamp nut; 11. insulating trip; 12. electrical fuze head; 13. seed material; 14. plastic sheeting; 15. silicone rubber tube; 16. packing washer; 17. lead-in wire; 18. insulator.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Dangerous liquid material sealing condition down-firing effect test instrument shown in Figure 1 partly is made up of test pressure cabin 1, explosion disk system 2, firing system 3, pressure testing system 4, pressure relief system 5 and bracing frame 6 etc., pressure testing system 4 adopts the high-frequency induction port, acquisition precision with ± 1Hz is gathered the pressure surge in 30～200kHz scope, the port of explosion disk system 4 adopts level pressure rupture disk, parting pressure 2200kPa ± 5kPa.
The sealed port of firing system 3, pressure testing system 4, explosion disk system 4 and pressure relief system 5 adopts screw thread to be connected with test pressure cabin 1, the ribbon spiral RunddichtringO of the graphite particle pressurization integrated molding that packing washer adopt to expand guarantees at low, the condition of high voltage and the condition lower seal that boosts rapidly good; Test pressure cabin 1 is 60 ° with horizontal level and is positioned on the bracing frame 6, the port of explosion disk system 2 up, total system places in the openable organic glass protective cover.
Igniter plug 8 shown in Figure 2 adopts the electronic ignition of inner sealing formula, the electrical fuze head 12 outer seed materials 13 that cover of igniter plug 8, the electrical fuze head 12 that covers seed material 13 is outside with plastic sheeting 14 parcels, the electrical fuze head 12 that is enclosed with plastic sheeting 14 is close to silicone rubber tube 15, the silicone rubber tube 15 other insulating trips 11 of simultaneously fitting directly contact electrical fuze head 12 to prevent dangerous liquid material, and it is outer by the workstation control ignition that the lead-in wire 17 on the electrical fuze head 12 extends to clamp nut 10 by insulator 18; Be processed with ground-electrode 9 in place near igniter plug 8.
At first sample is carried out pre-service with the Pass Test requirement before the test beginning, take by weighing a certain amount of test specimen that mixes, with the sample test pressure cabin 1 of on a small quantity, repeatedly packing in batches, make it to contact with firing system 3, the record sample quality that loads, after the burst disk sealed port whole pressure testing system is mounted to bracing frame 6, burst disk is up, test pressure cabin 9 is 60 ° with horizontal level, is tested by computer workstation starting ignition plug 3; Carry out dangerous chemicals and qualitative with the detected pressure-time data that collects in the test; Test finishes the back if explosion disk does not break, and should at first open blowdown valve 5 and reduce test pressure cabin 1 internal pressure after the potpourri cooling, dismantles testing equipment then and carries out aftertreatment.
Claims (10)
1. dangerous liquid material sealing condition down-firing effect test instrument, comprise test pressure cabin (1) and explosion disk system (2), firing system (3), pressure testing system (4), pressure relief system (5), it is characterized in that: (1) two port in test pressure cabin adopts firing system (2) and explosion disk system (3) sealing respectively, test pressure cabin (1) curved surface connects pressure testing system (4) and pressure relief system (5) and becomes 90 ° with the two sides of scabbling, the port of placing igniter plug (8) in the firing system (3) be about the different wedge shape of bore.
2. dangerous liquid material according to claim 1 is characterized in that at sealing condition down-firing effect test instrument: test pressure cabin (1) uses the ribbon spiral grommet type seal sheet (7) of expanded graphite particles material to seal with the junction of explosion disk system (2), firing system (3), pressure testing system (4), pressure relief system (5).
According to the described dangerous liquid material of claim 1-2 at sealing condition down-firing effect test instrument, it is characterized in that: closed electronic ignition in described firing system (2) adopts, the outer seed material (13) that covers of electrical fuze head (12) in the igniter plug (8), use is sealed plastic sheeting (14) and is covered electrical fuze head (12), prevents that with silicone rubber tube (15) applying insulating trip (11) dangerous liquid material from directly contacting electrical fuze head (12).
According to the described dangerous liquid material of claim 1-2 at sealing condition down-firing effect test instrument, the port that it is characterized in that placing igniter plug (8) is the different wedge shape of bore up and down.
According to the described dangerous liquid material of claim 1-2 at sealing condition down-firing effect test instrument, it is characterized in that: described explosion disk system (2) adopts with test pressure cabin (1) port and is threaded, burst disk wherein is the high precision rupture diaphragm, parting pressure 2200kPa ± 5kPa.
According to the described dangerous liquid material of claim 1-2 at sealing condition down-firing effect test instrument, described test pressure cabin (1), explosion disk system (2), firing system (3), pressure testing system and pressure relief system are anticorrosive material, as stainless steel.
According to the described dangerous liquid material of claim 1-2 at sealing condition down-firing effect test instrument, described pressure testing system (4) adopt to adopt high-frequency induction port, frequency acquisition scope 30～200kHz, frequency collection precision ± 1Hz.
According to the described dangerous liquid material of claim 1-2 at sealing condition down-firing effect test instrument, it further comprises bracing frame (6), this bracing frame makes when test test pressure cabin (9) and horizontal level be 60 °.
9. use the described dangerous liquid material of claim 1-2 at sealing condition down-firing effect test instrument, the method that fluid sample is tested, comprise the steps: to take by weighing a certain amount of test specimen that mixes, with the sample test pressure cabin (1) of on a small quantity, repeatedly packing in batches, make it to contact with firing system (3), the record sample quality that loads, after the burst disk sealed port whole pressure testing system is mounted to bracing frame (6), burst disk up, test pressure cabin (9) is 60 ° with horizontal level, is tested by computer workstation starting ignition plug (3); Carry out dangerous chemicals and qualitative with the detected pressure-time data that collects in the test.
10. method as claimed in claim 9 finishes the back if explosion disk does not break in test, should at first open blowdown valve (5) and reduce test pressure cabin (1) internal pressure after the potpourri cooling, dismantles testing equipment then and carries out aftertreatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110001662 CN102156150B (en) | 2011-01-06 | 2011-01-06 | Ignition effect tester for liquid dangerous goods under enclosed conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110001662 CN102156150B (en) | 2011-01-06 | 2011-01-06 | Ignition effect tester for liquid dangerous goods under enclosed conditions |
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| Publication Number | Publication Date |
|---|---|
| CN102156150A true CN102156150A (en) | 2011-08-17 |
| CN102156150B CN102156150B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110001662 Expired - Fee Related CN102156150B (en) | 2011-01-06 | 2011-01-06 | Ignition effect tester for liquid dangerous goods under enclosed conditions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267870A (en) * | 2013-05-06 | 2013-08-28 | 常州大学 | Method and device for measuring flame propagation speed of flammable liquid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253250A (en) * | 1997-05-07 | 2000-05-17 | 日本皮拉工业株式会社 | Filling material for use in screw type gasket ring and said screw type gasket ring |
| CN2497309Y (en) * | 2001-09-24 | 2002-06-26 | 东北大学 | High-temperature mixed combustible gas explosion checking device |
| CN201965108U (en) * | 2011-01-06 | 2011-09-07 | 王利兵 | Ignition effect tester for dangerous liquid articles under closed condition |
-
2011
- 2011-01-06 CN CN 201110001662 patent/CN102156150B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1253250A (en) * | 1997-05-07 | 2000-05-17 | 日本皮拉工业株式会社 | Filling material for use in screw type gasket ring and said screw type gasket ring |
| CN2497309Y (en) * | 2001-09-24 | 2002-06-26 | 东北大学 | High-temperature mixed combustible gas explosion checking device |
| CN201965108U (en) * | 2011-01-06 | 2011-09-07 | 王利兵 | Ignition effect tester for dangerous liquid articles under closed condition |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局等: "《中华人民共和国国家标准》", 1 April 2008 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267870A (en) * | 2013-05-06 | 2013-08-28 | 常州大学 | Method and device for measuring flame propagation speed of flammable liquid |
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| CN102156150B (en) | 2013-06-12 |
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Granted publication date: 20130612 Termination date: 20140106 |