CN205210005U - Test combustible gas or steam explosion limit's autoclave system - Google Patents
Test combustible gas or steam explosion limit's autoclave system Download PDFInfo
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- CN205210005U CN205210005U CN201520816428.3U CN201520816428U CN205210005U CN 205210005 U CN205210005 U CN 205210005U CN 201520816428 U CN201520816428 U CN 201520816428U CN 205210005 U CN205210005 U CN 205210005U
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Abstract
The utility model relates to a gaseous phase fires technical field, concretely relates to test combustible gas or steam explosion limit's autoclave system. By the cauldron body, intake pipe, blast pipe, ignition system, cauldron body temperature control system, data acquisition system and vacuum the system composition takes place mainly, the top of the cauldron body sets up the relief valve, the intake pipe stretches into the internal well lower part of cauldron by the top of the cauldron body, the blast pipe is stretched out by cauldron internal well upper portion to be arranged to the exhaust gas collection system, ignition system stretches into the internal middle part of cauldron by the top of the cauldron body, connect cauldron body temperature control system on the cauldron body, cauldron body temperature control system connects data acquisition system, system configuration takes place on the intake pipe pipeline for the vacuum. The utility model discloses the security is high, and is easy and simple to handle.
Description
Technical field
The utility model relates to gas phase and fires technical field, is specifically related to a kind of high-pressure kettle system testing inflammable gas or the vapour explosion limit.
Background technology
Generally relate to inflammable gas under petrochemical process condition or steam reacts under high-temperature and high-pressure conditions, the device of test explosion limits has both at home and abroad at present:
The 5L blast ball that ASTME681-04 (i.e. GB/T21844-2008) introduces; The tube-type explosive limit test instrument that GB12474 introduces; The 1.5L tube-type explosive limit test instrument that EN1839-2003 introduces; The 1L tube-type explosive limit test instrument that ASTME918 introduces.Front 3 cover instruments are all for the test under normal pressure and condition of negative pressure, only have the 4th cover experimental provision, but the volume of 1L can because wall effect make test result have deviation for the test of high pressure under process conditions.The explosion limits tester probe temperature introduced in existing standard is up to 300 DEG C, existing test macro cannot overcome the impact of temperature on encapsulant and electronic devices and components, cannot complete the test of explosion limits under DEG C condition of room temperature ~ 300, and inconvenience investigates ignition energy to the impact of explosion limits.
Utility model content
The utility model provides a kind of high-pressure kettle system testing inflammable gas or the vapour explosion limit, and its security is high, easy and simple to handle.
The technical scheme that the utility model adopts is:
A kind of high-pressure kettle system testing inflammable gas or the vapour explosion limit, primarily of kettle, draft tube, gas outlet, firing system, kettle temperature control system, data acquisition system (DAS) and vacuum generating system composition, the top of described kettle arranges safety valve, described draft tube is stretched into the middle and lower part in kettle by the top of kettle, described gas outlet is stretched out by the middle and upper part in kettle and drains into tail gas collection system, described firing system is stretched into the middle part in kettle by the top of kettle, described kettle connects kettle temperature control system, described kettle temperature control system connection data acquisition system, described vacuum generating system is arranged on draft tube pipeline.
Preferably, described kettle temperature control system comprises the thermopair be arranged in kettle, is wrapped in the resistance wire of kettle outside and the PLC system of control temperature, described resistance wire can heat, carry out temperature by PLC system to control, design temperature: normal temperature ~ 300 DEG C, design pressure: 0 ~ 2.5MPa, temperature, pressure transducer is also provided with in described kettle, described thermopair and temperature, pressure transducer are goed deep into the middle part in kettle by kettle top, outside connection data acquisition system, described kettle outer setting has temperature sensor, tensimeter and vacuum meter.
Preferably, what described kettle adopted is open top, and flange arrangement seals, vertical placement, the autoclave kettle of kettle volume 5L.
Preferably, described vacuum generating system comprises vacuum pump and surge tank, and described vacuum pump is in parallel with draft tube after connecting surge tank, is mainly used in vacuumizing Analytical system.
Preferably, described firing system adopts resistance wire sparking or electric arc sparking.
The utility model, in concrete process of the test, can directly be introduced in reactor by draft tube for gas, then gas reactor is risen to uniform temperature lights a fire, and judges whether to fire according to temperature, pressure changing; Or for liquid, can first by reactor heat up, then vacuumize in rear sucting reaction still carry out igniting judgement.
Compared with prior art, advantage of the present utility model and good effect are:
The utility model is compared to existing instrument, and the temperature test scope of this device is room temperature ~ 300 DEG C, and pressure limit is 0 ~ 2.5MPa, higher than the test specification of existing instrument, test volume 5L, volume is greater than existing tube-type explosive limit test instrument, can better reduce wall effect; The utility model can simulate the actual conditions of commercial production high temperature, high pressure, and the Detonating Characteristics of research gas phase mixture, simultaneously replaceable different ignition energy, to investigate the impact of ignition energy on explosion limits; The utility model security is high, easy and simple to handle.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the high-pressure kettle system process flow diagram of the utility model test inflammable gas or the vapour explosion limit.
In figure, 1 is draft tube, and 2 is vacuum pump, and 3 is surge tank, and 4 is firing system, and 5 is data acquisition system (DAS), and 6 is gas outlet, and 7 is kettle.
Embodiment
Embodiment
As shown in Figure 1, a kind of high-pressure kettle system testing inflammable gas or the vapour explosion limit, primarily of kettle 7, draft tube 1, gas outlet 6, firing system 4, kettle temperature control system, data acquisition system (DAS) 5 and vacuum generating system composition, the top of described kettle 7 arranges safety valve, can be used for using when system overpressure is released, described draft tube 1 is stretched into the middle and lower part in kettle by the top of kettle, described gas outlet 6 is stretched out by the middle and upper part in kettle and drains into tail gas collection system, described firing system 4 is stretched into the middle part in kettle by the top of kettle, described kettle 7 connects kettle temperature control system, described kettle temperature control system connection data acquisition system 5, described vacuum generating system is arranged on draft tube 1 pipeline,
Described kettle temperature control system comprises the thermopair be arranged in kettle, is wrapped in the resistance wire of kettle outside and the PLC system of control temperature, described resistance wire can heat, carry out temperature by PLC system to control, design temperature: normal temperature ~ 300 DEG C, design pressure: 0 ~ 2.5MPa, temperature, pressure transducer is also provided with in described kettle 7, described thermopair and temperature, pressure transducer are goed deep into the middle part in kettle by kettle top, outside connection data acquisition system 5, described kettle outer setting has temperature sensor, tensimeter and vacuum meter;
Described vacuum generating system comprises vacuum pump 2 and surge tank 3, and described vacuum pump 2 is in parallel with draft tube 1 after connecting surge tank 3, is mainly used in vacuumizing Analytical system;
Wherein, what described kettle 7 adopted is open top, and flange arrangement seals, vertical placement, the autoclave kettle of kettle volume 5L, and described firing system adopts resistance wire sparking or electric arc sparking.
The utility model is when testing, first autoclave kettle is warming up to formulation temperature, then logical N2 purges, be evacuated to vacuum again, experimentally gas mixing ratio needs, and passes in autoclave kettle successively according to the order that component concentration is ascending, until gas and vapor permeation evenly and after equalized temperature, light a fire, observation temperature in the kettle, pressure changing judge whether to fire, and subsequently tail gas are discharged reaction kettle body.
Repeat above step, until find explosion limits scope; Or more fiery sparking mode, to change ignition energy, tests.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here cannot give exhaustive to all embodiments.Every belong to the technical solution of the utility model the apparent change of amplifying out or variation be still in the row of protection domain of the present utility model.
Claims (5)
1. test the high-pressure kettle system of inflammable gas or the vapour explosion limit for one kind, it is characterized in that: primarily of kettle, draft tube, gas outlet, firing system, kettle temperature control system, data acquisition system (DAS) and vacuum generating system composition, the top of described kettle arranges safety valve, described draft tube is stretched into the middle and lower part in kettle by the top of kettle, described gas outlet is stretched out by the middle and upper part in kettle and drains into tail gas collection system, described firing system is stretched into the middle part in kettle by the top of kettle, described kettle connects kettle temperature control system, described kettle temperature control system connection data acquisition system, described vacuum generating system is arranged on draft tube pipeline.
2. the high-pressure kettle system of test inflammable gas according to claim 1 or the vapour explosion limit, it is characterized in that: described kettle temperature control system comprises the thermopair be arranged in kettle, be wrapped in the resistance wire of kettle outside and the PLC system of control temperature, the heating-up temperature of described resistance wire is controlled by PLC, also temperature is provided with in described kettle, pressure transducer, described thermopair and temperature, pressure transducer is goed deep into the middle part in kettle by kettle top, outside connection data acquisition system, described kettle outer setting has temperature sensor, tensimeter and vacuum meter.
3. the high-pressure kettle system of test inflammable gas according to claim 2 or the vapour explosion limit, is characterized in that: what described kettle adopted is open top, and flange arrangement seals, vertical placement, the autoclave kettle of kettle volume 5L.
4. the high-pressure kettle system of test inflammable gas according to claim 1 or the vapour explosion limit, is characterized in that: described vacuum generating system comprises vacuum pump and surge tank, and described vacuum pump is in parallel with draft tube after connecting surge tank.
5. the high-pressure kettle system of test inflammable gas according to claim 1 or the vapour explosion limit, is characterized in that: described firing system adopts resistance wire sparking or electric arc sparking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520816428.3U CN205210005U (en) | 2015-10-20 | 2015-10-20 | Test combustible gas or steam explosion limit's autoclave system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520816428.3U CN205210005U (en) | 2015-10-20 | 2015-10-20 | Test combustible gas or steam explosion limit's autoclave system |
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| CN205210005U true CN205210005U (en) | 2016-05-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896137A (en) * | 2017-03-27 | 2017-06-27 | 南京理工大学 | A kind of experimental rig for measuring commercial explosive self-sustaining burning critical pressure |
| CN108226222A (en) * | 2016-12-21 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of device and method for being used to test combustion explosion of combustible gas parameter |
| CN109668932A (en) * | 2017-10-17 | 2019-04-23 | 中国石油化工股份有限公司 | For quickly testing the device and method of fuel gas firing temperature |
-
2015
- 2015-10-20 CN CN201520816428.3U patent/CN205210005U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226222A (en) * | 2016-12-21 | 2018-06-29 | 中国石油化工股份有限公司 | A kind of device and method for being used to test combustion explosion of combustible gas parameter |
| CN106896137A (en) * | 2017-03-27 | 2017-06-27 | 南京理工大学 | A kind of experimental rig for measuring commercial explosive self-sustaining burning critical pressure |
| CN109668932A (en) * | 2017-10-17 | 2019-04-23 | 中国石油化工股份有限公司 | For quickly testing the device and method of fuel gas firing temperature |
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