CN104368299B - A kind of many atmosphere reaction pyrolysis ovens - Google Patents
A kind of many atmosphere reaction pyrolysis ovens Download PDFInfo
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- CN104368299B CN104368299B CN201410668099.2A CN201410668099A CN104368299B CN 104368299 B CN104368299 B CN 104368299B CN 201410668099 A CN201410668099 A CN 201410668099A CN 104368299 B CN104368299 B CN 104368299B
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Abstract
The present invention relates to a kind of many atmosphere reaction pyrolysis oven, mainly comprise atmosphere air inlet gas circuit, pyrolysis oven temperature control heating furnace body, pyrolysis reactor, gas diverter, gasometry injector, Gas flow-limiting device, with organic mass spectrometer connecting interface, temperature control warmer, cold-trap.Under can be implemented in the condition of pyrolysis oven temperature control heating furnace body heating, material carries out thermal chemical reaction with the various atmosphere entered by atmosphere air inlet gas circuit in pyrolysis reactor, the fugitive constituent product produced in reaction can be detected by gas diverter, gasometry injector, Gas flow-limiting device and entering in organic mass spectrometer with organic mass spectrometer interface successively, and the redundancy gas in thermal process reactor is by cold-trap condensation and be collected.The invention has the advantages that can realize material under many atmospheric conditions is heated generation thermal chemical reaction, and can realize being connected with organic mass spectrometer, fugitive constituent product in online qualitative and quantitative analysis thermal chemical reaction, real-time process is monitored, and collects redundancy fugitive constituent product gas simultaneously and avoids environmental pollution.
Description
Technical field
The present invention relates to a kind of many atmosphere reaction pyrolysis ovens, belong to technology of instrument and meter field.
Background technology
Owing to there is no to utilize the analytical instrument such as organic mass spectrometer to carry out Real-Time Monitoring to the thermal chemical reaction fugitive constituent product under many atmospheric conditions at present, effectively cannot carry out careful analysis online to fugitive constituent product, therefore many atmosphere reaction pyrolysis oven provided by the present invention be exactly a kind of can be implemented in multiple atmosphere condition under and material under multiple catalytic condition be heated the thermal chemical reaction pyrolysis oven of thermal chemical reaction occur, simultaneously the present invention can also with organic mass spectrometer coupling, realize online real-time qualitative and quantitatively detect fugitive constituent product in thermal chemical reaction, realize the on-line real time monitoring to thermal chemical reaction fugitive constituent product.
Summary of the invention
A kind of material that can realize under multiple atmosphere condition and under multiple catalysts condition is the object of the present invention is to provide to be heated the reaction pyrolysis oven of thermal chemical reaction occurs, and the present invention can with organic mass spectrometer coupling, realize online real-time qualitative and quantitatively detect fugitive constituent product in thermal chemical reaction.
The technical solution used in the present invention is: a kind of many atmosphere reaction pyrolysis oven, comprise atmosphere air inlet gas circuit, pyrolysis oven temperature control heating furnace body, pyrolysis reactor, gas diverter, gasometry injector, Gas flow-limiting device, with organic mass spectrometer connecting interface, temperature control warmer, cold-trap, carrier gas gas circuit, gas of carrier gas flow controller and reaction gas gas circuit, reaction gas gas flow controller interface merges in gas mixer, gas mixer access pyrolysis oven pyrolysis reactor, by pyrolysis oven temperature control heating furnace body, temperature control heating is carried out to pyrolysis oven pyrolysis reactor, the air inlet gas circuit of gas diverter is connected with pyrolysis reactor, gas diverter gas circuit of giving vent to anger is connected with gasometry injector and cold-trap respectively, gasometry injector is connected with Gas flow-limiting device, the Gas flow-limiting device other end connects and organic mass spectrometer connecting interface, temperature control warmer is to gas diverter, gasometry injector and gas current limiter carry out temperature control insulation.
Further, carrier gas gas circuit and reaction gas gas circuit composition atmosphere air inlet gas circuit, can realize the thermal chemical reaction under different atmosphere condition in reaction pyrolysis oven.
Further, carrier gas gas circuit and reaction gas gas circuit have independently gas flow controller and gas of carrier gas flow controller and reaction gas gas flow controller respectively, can control the amount of the atmosphere of the carrier gas needed for thermal chemical reaction and reaction gas.
Further, the carrier gas that gas mixer can pass into carrier gas gas circuit and reaction gas gas circuit and reaction gas mix, and ensure reappearance and the stability of pyrolytic reaction process.
Further, pyrolysis oven temperature control heating furnace body with the mode of ramped heating schedule or constant temperature heated at constant temperature in room temperature to 1500 DEG C for pyrolysis reactor provides thermal rection condition.
Further, gas diverter can be shunted the fugitive constituent product gas that thermal chemical reaction produces, and avoids the dangerous situation that pyrolytic reaction gas internal gas pressure is excessive, and ensures controlled fugitive constituent product gas and enter gasometry injector.
Further, gasometry injector can make fugitive constituent product gas enter Gas flow-limiting device in the mode of the mode of continuous sample introduction or fixed volume sample introduction.
Further, Gas flow-limiting device can avoid reaction fugitive constituent product and redundancy gas to damage because of the excessive high vacuum to organic mass spectrometer of tolerance, and prevents from causing damage to organic mass spectrometer when there is gas leakage event.
Further, use with organic mass spectrometer connecting interface, can with organic mass spectrometer coupling, be convenient to carry out on line real time to pyrolytic reaction fugitive constituent product.
Further, temperature control warmer carries out overall temperature control insulation to gas diverter, gasometry injector and gas current limiter, avoids the distortion because the condensation of thermal chemical reaction fugitive constituent product causes course of reaction to monitor, and the obstruction of gas circuit and pollution.
Further, cold-trap can condensation and collect unnecessary fugitive constituent product, namely can realize preventing unnecessary fugitive constituent product entered environment, avoid causing environmental pollution, also can realize the collection to unnecessary fugitive constituent product and secondary analysis.
The thermal chemical reaction of material under beneficial effect of the present invention is to realize multiple atmosphere condition and under multiple catalytic condition, the fugitive constituent product simultaneously produced in this thermochemical reaction process can realize exporting in continuous and quantitative mode, is convenient to utilize organic mass spectrometer to carry out online real-time qualitative and quantitatively detects.Beneficial effect of the present invention also shows can being collected by cold-trap of excessive fugitive constituent, can reduce environmental pollution, or realizes the secondary detection of fugitive constituent product.
Accompanying drawing explanation
Fig. 1 is the open schematic diagram of many atmosphere reaction pyrolysis oven.
In figure, 1. carrier gas gas circuit, 2. reaction gas gas circuit, 3. gas of carrier gas flow controller, 4. reaction gas gas flow controller, 5. gas mixer, 6. pyrolysis oven temperature control heating furnace body, 7. pyrolysis reactor, 8. gas diverter, 9. gasometry injector, 10. Gas flow-limiting device, 11. with organic mass spectrometer connecting interface, 12. temperature control warmers, 13. cold-traps.
Detailed description of the invention
The present invention is further illustrated below in conjunction with accompanying drawing and specific embodiment.
As shown in Figure 1, a kind of many atmosphere reaction pyrolysis ovens, comprise: carrier gas gas circuit 1, reaction gas gas circuit 2, gas of carrier gas flow controller 3, reaction gas gas flow controller 4, gas mixer 5, pyrolysis oven temperature control heating furnace body 6, pyrolysis reactor 7, gas diverter 8, gasometry injector 9, Gas flow-limiting device 10, with organic mass spectrometer connecting interface 11, temperature control warmer 12, cold-trap 13.
Carrier gas gas circuit 1 and gas of carrier gas flow controller 3 access gas mixer 5 with reaction gas gas circuit 2 and reaction gas gas flow controller 4, gas mixer 5 accesses pyrolysis reactor 7, pyrolysis reactor 7 device is in pyrolysis oven temperature control heating furnace body 6, pyrolysis reactor 7 other end is connected with gas diverter 8, gas diverter 8 is connected with cold-trap 13 with gasometry injector 9 respectively, gasometry injector 9 other end is connected with Gas flow-limiting device 10, with organic mass spectrometer connecting interface 11, Gas flow-limiting device 10 is connected with analytical instrument such as organic mass spectrometers, temperature control warmer 12 is gas diverter 8, in gasometry injector 9 and gas current limiter 10 are wrapped in.
The atmosphere air inlet gas circuit of many atmosphere reaction pyrolysis oven is divided into carrier gas gas circuit 1 and reaction gas gas circuit 2, for providing the atmosphere of different function for reaction pyrolysis oven, is convenient to react in pyrolysis oven the thermal chemical reaction that can realize under different catalytic condition.Carrier gas gas circuit 1 is connected independently gas flow controller respectively with reaction gas gas circuit 2, i.e. gas of carrier gas flow controller 3, reaction gas gas flow controller 4, is convenient to control the amount of the gas of the carrier gas needed for pyrolysis oven and reaction gas.
For carrier gas gas circuit 1 and reaction gas gas circuit 2 provide the blender 5 of gas and vapor permeation.
Pyrolysis reactor 7 is reactors that the reaction of many atmosphere catalyse pyrolysis occurs.Temperature control heating furnace body 6 is the thermal rection condition that device pyrolysis reactor 7 is therein provided in ramped heating schedule under room temperature to 1500 DEG C condition or constant temperature heated at constant temperature.
Gas diverter 8 can realize getting rid of the redundancy gas in thermochemical reaction process, avoids reaction pyrolysis oven internal gas pressure excessive, and ensures appropriate product gas and enter gasometry injector 9.
Gasometry injector 9 makes fugitive constituent product gas with continuous sample introduction or with fixed volume sample introduction.
Gas flow-limiting device 10 limits and mild fugitive constituent product gas, prevents the high vacuum of unexpected pressure change destruction of organic material spectrometer, damage organic mass spectrometer.
The devices be connected with organic mass spectrometer with organic mass spectrometer connecting interface 11.
Temperature control warmer 12 is gas diverter 8, gasometry injector 9 and gas current limiter 10 provide constant temperature to be incubated.
The fugitive constituent product gas of the redundancy that cold-trap 13 is shunted out from gas diverter 8 for condensation, the fugitive constituent product gas that minimizing reaction pyrolysis fire grate goes out is to the pollution of environment, and can collect fugitive constituent product gas carries out secondary detection and analysis simultaneously.
For illustrating that many atmosphere reaction pyrolysis furnaceman makes principle, now providing many atmosphere to react pyrolysis furnaceman and making flow process:
Carrier gas and reaction gas modulate proportionate reaction atmosphere through gas of carrier gas flow controller 3 and reaction gas gas flow controller 4, atmosphere passes into pyrolysis reactor 7 after mixing in gas mixer 5, pyrolysis oven temperature control heating furnace body 6 provides suitable thermal rection condition for pyrolysis reactor 7, the fugitive constituent product gas produced in pyrolysis reactor 7 is shunted by a certain percentage by gas diverter 8, be divided into product gas to be detected and redundancy gas, product gas to be detected enters gasometry injector 9, again in a continuous manner or with fixed volume mode successively by Gas flow-limiting device 10 and with organic mass spectrometer connecting interface 11, finally detected by organic mass spectrometer, redundancy gas carries out condensation by cold-trap 13, and the solid that condensation goes out, liquids and gases can be collected.
Non-elaborated part of the present invention belongs to the known technology of those skilled in the art.
Claims (8)
1. the reaction of atmosphere more than one kind pyrolysis oven, for with organic mass spectrometer coupling, it is characterized in that: carrier gas gas circuit (1), reaction gas gas circuit (2), gas of carrier gas flow controller (3), reaction gas gas flow controller (4), gas mixer (5), pyrolysis oven temperature control heating furnace body (6), pyrolysis reactor (7), gas diverter (8), gasometry injector (9), Gas flow-limiting device (10), with organic mass spectrometer connecting interface (11), temperature control warmer (12), cold-trap (13), carrier gas gas circuit (1), gas of carrier gas flow controller (3) and reaction gas gas circuit (2), reaction gas gas flow controller (4) interface merges in gas mixer (5), gas mixer (5) access pyrolysis reactor (7), by pyrolysis oven temperature control heating furnace body (6), temperature control heating is carried out to pyrolysis reactor (7), the air inlet gas circuit of gas diverter (8) is connected with pyrolysis reactor (7), gas diverter (8) gas circuit of giving vent to anger is connected with gasometry injector (9) and cold-trap (13) respectively, gasometry injector (9) is connected with Gas flow-limiting device (10), Gas flow-limiting device (10) other end connects and organic mass spectrometer connecting interface (11), temperature control warmer (12) is to gas diverter (8), gasometry injector (9) and gas current limiter (10) carry out temperature control insulation,
Gas diverter (8) can be shunted the fugitive constituent product gas that thermal chemical reaction produces, and avoids the dangerous situation that pyrolysis reactor internal gas pressure is excessive, and ensures controlled fugitive constituent product gas and enter gasometry injector (9);
Gasometry injector (9) can make fugitive constituent product gas enter Gas flow-limiting device (10) in the mode of the mode of continuous sample introduction or fixed volume sample introduction.
2. according to the many atmosphere reactions of the one described in claim 1 pyrolysis oven, it is characterized in that: carrier gas gas circuit (1) and reaction gas gas circuit (2) composition atmosphere air inlet gas circuit, can realize the thermal chemical reaction under different atmosphere condition in reaction pyrolysis oven.
3. according to the many atmosphere reactions of the one described in claim 1 pyrolysis oven, it is characterized in that: carrier gas gas circuit (1) and reaction gas gas circuit (2) have independently gas flow controller and gas of carrier gas flow controller (3) and reaction gas gas flow controller (4) respectively, can control the amount of the atmosphere of the carrier gas needed for thermal chemical reaction and reaction gas.
4. according to the many atmosphere reactions of the one described in claim 1 pyrolysis oven, it is characterized in that: the carrier gas that gas mixer (5) can pass into carrier gas gas circuit (1) and reaction gas gas circuit (2) and reaction gas mix, ensure reappearance and the stability of pyrolytic reaction process.
5., according to the many atmosphere of the one described in claim 1 reaction pyrolysis oven, it is characterized in that: pyrolysis oven temperature control heating furnace body (6) with the mode of ramped heating schedule or constant temperature heated at constant temperature in room temperature to 1500 DEG C for pyrolysis reactor (7) provides thermal rection condition.
6. according to the many atmosphere reactions of the one described in claim 1 pyrolysis oven, it is characterized in that: Gas flow-limiting device (10) can avoid reaction fugitive constituent product and redundancy gas to damage because of the excessive high vacuum to organic mass spectrometer of tolerance, and prevent from causing damage to organic mass spectrometer when there is gas leakage event.
7., according to the many atmosphere reactions of the one described in claim 1 pyrolysis oven, it is characterized in that: use and organic mass spectrometer connecting interface (11), with organic mass spectrometer coupling, be convenient to carry out on line real time to pyrolytic reaction fugitive constituent product.
8. according to the many atmosphere reactions of the one described in claim 1 pyrolysis oven, it is characterized in that: temperature control warmer (12) carries out overall temperature control insulation to gas diverter (8), gasometry injector (9) and gas current limiter (10), avoid the distortion because the condensation of thermal chemical reaction fugitive constituent product causes course of reaction to monitor, and the obstruction of gas circuit and pollution; Cold-trap (13) can condensation and collect unnecessary fugitive constituent product, can either realize preventing unnecessary fugitive constituent product entered environment, avoid causing environmental pollution, also can realize the collection to unnecessary fugitive constituent product and secondary analysis.
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| CN201410668099.2A CN104368299B (en) | 2014-11-20 | 2014-11-20 | A kind of many atmosphere reaction pyrolysis ovens |
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| CN201410668099.2A CN104368299B (en) | 2014-11-20 | 2014-11-20 | A kind of many atmosphere reaction pyrolysis ovens |
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| CN104368299A CN104368299A (en) | 2015-02-25 |
| CN104368299B true CN104368299B (en) | 2016-04-13 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1690516A (en) * | 2004-04-24 | 2005-11-02 | 韩枫 | Pyrogenic decomposition type boiler for combustion of refuse and purifying installation thereof |
| CN200956000Y (en) * | 2006-10-13 | 2007-10-03 | 山东鲁南瑞虹化工仪器有限公司 | Pyrolysis component instrument |
| CN202415454U (en) * | 2012-02-01 | 2012-09-05 | 肖国雄 | Biomass pyrolysis furnace |
| CN204247220U (en) * | 2014-11-20 | 2015-04-08 | 中国科学技术大学 | A kind of many atmosphere reaction pyrolysis ovens |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1690516A (en) * | 2004-04-24 | 2005-11-02 | 韩枫 | Pyrogenic decomposition type boiler for combustion of refuse and purifying installation thereof |
| CN200956000Y (en) * | 2006-10-13 | 2007-10-03 | 山东鲁南瑞虹化工仪器有限公司 | Pyrolysis component instrument |
| CN202415454U (en) * | 2012-02-01 | 2012-09-05 | 肖国雄 | Biomass pyrolysis furnace |
| CN204247220U (en) * | 2014-11-20 | 2015-04-08 | 中国科学技术大学 | A kind of many atmosphere reaction pyrolysis ovens |
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