CN103585934A - Reactor suitable for cracking liquid raw materials of micro fluidized bed reaction analyzer - Google Patents
Reactor suitable for cracking liquid raw materials of micro fluidized bed reaction analyzer Download PDFInfo
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- CN103585934A CN103585934A CN201310453201.2A CN201310453201A CN103585934A CN 103585934 A CN103585934 A CN 103585934A CN 201310453201 A CN201310453201 A CN 201310453201A CN 103585934 A CN103585934 A CN 103585934A
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Abstract
The invention provides a reactor suitable for cracking liquid raw materials of a micro fluidized bed reaction analyzer. By adopting the reactor, the remaining time of the liquid raw materials in the reactor is prolonged, and the cracking reaction is sufficient. The reactor suitable for cracking the liquid raw materials of the micro fluidized bed reaction analyzer comprises a fluidized medium part, a helical pipe part and a cracking product outlet part, which are arranged from top to bottom, wherein the fluidized medium part is a hollow structure, a sieve plate for holding the fluidized medium is arranged inside the fluidized medium part, and the fluidized medium part is provided with a fluid raw material inlet pipe, a thermocouple inlet pipe and a fluidized gas inlet; the helical pipe part comprises a plurality of helical pipes, and two ends of each helical pipe are respectively communicated with the fluidized medium part and the cracking product outlet part; the cracking product outlet part is a hollow structure and provided with a cracking product outlet pipe.
Description
Technical field
The present invention relates to a kind of liquid phase feed cracking reaction device, be specifically related to a kind of reactor that is applicable to the cracking of miniature fluidized-bed reaction analyzer liquid phase feed.
Background technology
The cracking reaction of liquid phase feed is extensively present in various material conversion process, and the research of asking calculation and reaction mechanism of its reaction power mathematic(al) parameter is the basis of the area research developments such as chemical industry, the energy, environment, metallurgy, material.
Miniature fluidized-bed reaction analyzer can be realized instantaneous sample introduction, the cracking of raw material under arbitrary temp, and by follow-up on-line mass spectroscopy, crucial gas component is carried out to qualitative and quantitative analysis, according to gas concentration, change to ask and calculate reaction power mathematic(al) parameter and reaction mechanism thereof, broken through the restriction of traditional power research equipment principle and structure.
Reactor is the equipment of realizing liquid phase feed cracking, is widely used in the industrial departments such as chemical industry, oil refining, metallurgy, light industry.Due to existing miniature fluidized-bed reaction analyzer, answer device size less, and liquid charging stock moment after the reactor entering under high temperature becomes gaseous state, effect at fluidizing gas, make the time of staying of partially liq raw material in reactor be less than the pyrolysis time of raw material, cause cracking reaction incomplete.
Summary of the invention
The object of the invention is to provide a kind of reactor that is applicable to the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, has extended the time of staying of liquid phase feed at reactor, makes cracking reaction abundant.
To achieve these goals, the present invention adopts technical scheme as follows:
Be applicable to a reactor for miniature fluidized-bed reaction analyzer liquid phase feed cracking, comprise that the fluidizing agent portion, helix tube portion and the pyrolysis product that arrange go out portion from top to bottom; Fluidizing agent portion is hollow structure, and the inside of fluidizing agent portion is provided with for placing the sieve plate of fluidizing agent, and fluidizing agent portion is provided with fluid material inlet tube, thermocouple inlet tube and fluidizing gas entrance; Helix tube portion comprises a plurality of helix tubes, and helix tube two ends are communicated with respectively fluidizing agent portion and pyrolysis product goes out portion; It is hollow structure that pyrolysis product goes out portion, and pyrolysis product goes out in portion, to be provided with pyrolysis product outlet.
Preferably, in above-mentioned reactor, fluid material inlet tube and thermocouple inlet tube are symmetricly set on the both sides of fluidizing agent portion.
Preferably, in above-mentioned reactor, fluid material inlet tube is for being obliquely installed, and with horizontal direction angle be 15 degree.
Preferably, in above-mentioned reactor, fluidizing gas entrance and pyrolysis product outlet vertically arrange.
Preferably, in above-mentioned reactor, helix tube is three, and mutually even interlaced arrangement, and helix tube pitch is 20mm.
Preferably, in above-mentioned reactor, helix tube vertical direction height accounts for 1/4 to 1/2 of total reactor length.
Preferably, in above-mentioned reactor, sieve plate material is quartzy, and sieve plate surface uniform is coated with high-temperature-resistant layer, and high-temperature-resistant layer preparation method is: by aluminium oxide and carborundum, be 15/85～30/70 to take aluminium oxide and silicon carbide powder in proportion, ball milling mixes; Using plasma spraying coating process, is deposited on sieve plate by the composite granule making.
Beneficial effect of the present invention:
The setting of helix tube portion, extended the time of staying of liquid charging stock in reactor, solved the incomplete problem of cracking that liquid phase feed causes because the time of staying is short in reactor, and it is more even that reactor is heated in heating furnace, is conducive to the carrying out of cracking reaction.
Accompanying drawing explanation
Fig. 1 is the structural representation of the selected embodiment of the present invention.
Fig. 2 is reactor of the present invention and pre-existing reactors liquid phase time of staying distribution curve under gas speed 200ml/min.
Fig. 3 is reactor of the present invention and pre-existing reactors liquid phase time of staying distribution curve under gas speed 250ml/min.
Fig. 4 is reactor of the present invention and pre-existing reactors liquid phase time of staying distribution curve under gas speed 300ml/min.
In figure 1, fluidizing gas entrance, 2, sieve plate, 3, fluidizing agent, 4, fluid material inlet tube, 5, thermocouple inlet tube, 6, helix tube, 7, pyrolysis product outlet, 8, pyrolysis product goes out portion, 9, helix tube portion, 10, fluidizing agent portion, a, angle.
The specific embodiment
For the ease of those skilled in the art, better understand the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further details, following is only the exemplary protection scope of the present invention that do not limit.
With reference to accompanying drawing 1, a kind of reactor that is applicable to the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, comprises that the fluidizing agent portion 10, helix tube portion 9 and the pyrolysis product that arrange go out portion 8 from top to bottom; Fluidizing agent portion 10 is hollow structure, and the inside of fluidizing agent portion 10 is provided with for placing the sieve plate 2 of fluidizing agent 3, and fluidizing agent portion 10 is provided with fluid material inlet tube 4, thermocouple inlet tube 5 and fluidizing gas entrance 1; Helix tube portion 9 comprises a plurality of helix tubes 6, and helix tube 6 two ends are communicated with respectively fluidizing agent portion 10 and pyrolysis product goes out portion 8; Pyrolysis product goes out portion 10 for hollow structure, and pyrolysis product goes out in portion 10, to be provided with pyrolysis product outlet 7.
In the present embodiment, fluid material inlet tube 4 is for being obliquely installed, and with the angle a of horizontal direction be 15 degree; Fluid material inlet tube 4 and thermocouple inlet tube 5 are symmetricly set on the both sides of fluidizing agent portion 10.
In the present embodiment, fluidizing gas entrance 1 vertically arranges with pyrolysis product outlet 7.
In the present embodiment, helix tube 6 is three, and mutually even interlaced arrangement, and helix tube 6 pitch are 20mm.
In the present embodiment, helix tube 6 vertical direction height account for 1/4 to 1/2 of total reactor length.
In the present embodiment, sieve plate 2 materials are quartzy, and sieve plate 2 surface uniforms are coated with high-temperature-resistant layer, and high-temperature-resistant layer preparation method is: by aluminium oxide and carborundum, be 15/85～30/70 to take aluminium oxide and silicon carbide powder in proportion, ball milling mixes; Using plasma spraying coating process, is deposited on sieve plate by the composite granule making
In reactor of the present invention and pre-existing reactors, liquid phase time of staying contrast test is as follows:
Experiment adopts tracer Pulsed Sampling method to measure its Mean Residence Time Distributions.In certain temperature and concentration range, the electrical conductivity of the KCl aqueous solution is directly proportional to the concentration of KCl, use MP515-01 precise conductivity instrument at pyrolysis product outlet 7 places, to detect the electrical conductivity of ejection liquid, be converted to voltage signal and store the data in computer, finally obtaining tracer concentration curve over time.For the reliability of really testing, each experiment repeats 3 times under the same conditions.
With reference to accompanying drawing 2,3,4, reactor of the present invention and pre-existing reactors liquid phase time of staying distribution curve under different gas speed.
Mean residence time formula is:
(1)
Employing formula (1) is processed above-mentioned liquid phase time of staying distribution curve, obtains the liquid phase time of staying as follows, and does form and contrast.
Different reactor liquid phase time of staying contrast under different gas speed
Result shows: reactor of the present invention can improve the liquid phase time of staying of raw material largely, can meet the complete cracking of liquid charging stock in reactor, successful.
Below only described basic principle of the present invention and preferred embodiment, those skilled in the art can make many changes and improvements according to foregoing description, and these changes and improvements should belong to protection scope of the present invention.
Claims (7)
1. a reactor that is applicable to the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, is characterized in that: comprise that the fluidizing agent portion (10), helix tube portion (9) and the pyrolysis product that arrange go out portion (8) from top to bottom; Fluidizing agent portion (10) is hollow structure, the inside of fluidizing agent portion (10) is provided with the sieve plate (2) for placing fluidizing agent (3), and fluidizing agent portion (10) is provided with fluid material inlet tube (4), thermocouple inlet tube (5) and fluidizing gas entrance (1); Helix tube portion (9) comprises a plurality of helix tubes (6), and helix tube (6) two ends are communicated with respectively fluidizing agent portion (10) and pyrolysis product goes out portion (8); Pyrolysis product goes out portion (10) for hollow structure, and pyrolysis product goes out in portion (10), to be provided with pyrolysis product outlet (7).
2. the reactor that is applicable to according to claim 1 the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, is characterized in that: fluid material inlet tube (4) and thermocouple inlet tube (5) are symmetricly set on the both sides of fluidizing agent portion (10).
3. the reactor that is applicable to according to claim 1 the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, is characterized in that: fluid material inlet tube (4) is for being obliquely installed, and with the angle (a) of horizontal direction be 15 degree.
4. the reactor that is applicable to according to claim 1 the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, is characterized in that: fluidizing gas entrance (1) vertically arranges with pyrolysis product outlet (7).
5. the reactor that is applicable to according to claim 1 the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, is characterized in that: helix tube (6) is three, and mutually even interlaced arrangement, and helix tube (6) pitch is 20mm.
6. the reactor that is applicable to according to claim 1 the cracking of miniature fluidized-bed reaction analyzer liquid phase feed, is characterized in that: helix tube (6) vertical direction height accounts for 1/4 to 1/2 of total reactor length.
7. according to claim 1 to 6, be applicable to the reactor of miniature fluidized-bed reaction analyzer liquid phase feed cracking described in arbitrarily, it is characterized in that: sieve plate (2) material is for quartzy, sieve plate (2) surface uniform is coated with high-temperature-resistant layer, high-temperature-resistant layer preparation method is: by aluminium oxide and carborundum, be 15/85～30/70 to take aluminium oxide and silicon carbide powder in proportion, ball milling mixes; Using plasma spraying coating process, is deposited on sieve plate (2) by the composite granule making.
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| CN201310453201.2A CN103585934B (en) | 2013-09-29 | 2013-09-29 | Be applicable to the reactor of miniature fluidized-bed reaction analyzer liquid phase feed cracking |
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| CN201310453201.2A CN103585934B (en) | 2013-09-29 | 2013-09-29 | Be applicable to the reactor of miniature fluidized-bed reaction analyzer liquid phase feed cracking |
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| CN103585934B CN103585934B (en) | 2015-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301059A (en) * | 2015-10-28 | 2016-02-03 | 中国石油大学(华东) | Device and method for measuring gas-liquid cyclone liquid-phase standing time distribution |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147232A (en) * | 1984-01-06 | 1985-08-03 | Mitsubishi Heavy Ind Ltd | Catalytic reactor |
| CN2815487Y (en) * | 2005-08-12 | 2006-09-13 | 周凤举 | Internal back streaming tower fluidized_bed reactor with habyrinth helical fin diversion baffle |
| CN203556352U (en) * | 2013-09-29 | 2014-04-23 | 山东百川同创能源有限公司 | Reactor suitable for cracking liquid phase raw material of micro fluidized bed reaction analyzer |
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2013
- 2013-09-29 CN CN201310453201.2A patent/CN103585934B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147232A (en) * | 1984-01-06 | 1985-08-03 | Mitsubishi Heavy Ind Ltd | Catalytic reactor |
| CN2815487Y (en) * | 2005-08-12 | 2006-09-13 | 周凤举 | Internal back streaming tower fluidized_bed reactor with habyrinth helical fin diversion baffle |
| CN203556352U (en) * | 2013-09-29 | 2014-04-23 | 山东百川同创能源有限公司 | Reactor suitable for cracking liquid phase raw material of micro fluidized bed reaction analyzer |
Non-Patent Citations (1)
| Title |
|---|
| 余剑等: "微型流化床反应动力学分析仪的研制与应用", 《化工学报》, vol. 60, no. 10, 31 October 2009 (2009-10-31), pages 2669 - 2674 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301059A (en) * | 2015-10-28 | 2016-02-03 | 中国石油大学(华东) | Device and method for measuring gas-liquid cyclone liquid-phase standing time distribution |
| CN105301059B (en) * | 2015-10-28 | 2018-01-12 | 中国石油大学(华东) | The apparatus and method for determining gas-liquid eddy flow liquid phase residence time destribution |
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| CN103585934B (en) | 2015-09-02 |
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