CN100391587C - Multi-pipe composite reacting apparatus - Google Patents
Multi-pipe composite reacting apparatus Download PDFInfo
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- CN100391587C CN100391587C CNB2005100294699A CN200510029469A CN100391587C CN 100391587 C CN100391587 C CN 100391587C CN B2005100294699 A CNB2005100294699 A CN B2005100294699A CN 200510029469 A CN200510029469 A CN 200510029469A CN 100391587 C CN100391587 C CN 100391587C
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Abstract
The invention relates to a multi-tube combine reactor, which comprises heating furnace, heater, thermal conductive rod, at least two reaction tubes, multi-tube switch valve, temperature tester, temperature controller, and flux distributor; the thermal conductive rod is at the hollow area of heater; the heater is inside the heating furnace and outside the hollow area; the thermal conductive rod has at least two reaction tube lead tubes to arrange the reaction tubes; the material inlet of each reaction tube is connected to the flux distributor, while the outlet is connected to the multi-channel switch valve, to parallel connect the reaction tubes; the temperature testing element is connected to the temperature tester; the heater is connected to the temperature controller.
Description
Technical field
The present invention relates to a kind of multi-pipe composite reacting apparatus, particularly about the multi-pipe composite reacting apparatus of catalytic field.
Background technology
At petrochemical industry, Study of Catalyst and exploitation are the main motive forces of petrochemical industry fast development always.For now, the research and development of big multi-catalyst are still mainly explored and are studied by a large amount of screening of catalysts and examination.Generally speaking, the successful exploitation of an industrial catalyst needs thousands of even up to ten thousand times evaluation sieve experiment usually.Obviously so huge evaluating catalyst screening operation is one of main bottleneck of some catalyst development processes always.On the other hand, for in the development process of raw catelyst, the quick evaluation of the in-depth analysis of reaction mechanism, the accurate description of dynamic characteristic and catalyst activity etc. are no matter to the exploitation of catalyst, still amplify industrial process and all have very important meaning.
For many years, although developed the method for multiple relevant reaction mechanism, dynamics and evaluating catalyst, present numerous institution of higher learning and scientific research institutions still adopt traditional single tubular type integration or differential fixed bed device to carry out above-mentioned work.Although this class device is simple and practical, exist efficient low, obtain shortcomings such as information content is limited.A lot of in fact reactions are exactly can't carry out Analysis on Mechanism accurately because of the defective of device itself; The a large amount of experimental work of usually having to carry out of many dynamics research because experimental provision is unreasonable, and increased difficulty to follow-up kinetic parameter valuation; The development process of numerous catalyst is not usually because evaluating apparatus deficiency or evaluating apparatus very rationally can't carry out effective research practice or make slow progress yet.
Document CN1032117A discloses a kind of multitubular reactor of suitable Catalytic processes.Comprise upright substantially long container, manyly be placed in open-ended reactor tubes parallel in the container with its center longitudinal axis, this reaction tube upper end is fixed in upper perforated plate and is communicated with fluid chamber above the upper perforated plate, and the lower end is fixed in lower perforated plate and the effluent collecting chamber below lower perforated plate communicates; Be used for liquid is sent into the liquid charging branch pipe of fluid chamber; Be used for gas is sent into the gas feed distributor pipe of fluid chamber; With the effluent outlet that is provided with on the effluent collecting chamber; Wherein gas and liquid feeder are housed in the upper end of each reaction tube, this device comprises having gas inlet orifice, the inlet of liquid inlet and outlet, and increase the liquid zone that rises of gap between the liquid level that in fluid chamber, exists in the course of normal operation and the liquid inlet in the inlet.But this multitubular reactor complex structure and be unfavorable for popularizing.
Summary of the invention
Technical problem to be solved by this invention be in the past in the document experiment acquired information amount little, device is complicated, investment is big, complex operation, inefficient problem provide a kind of new multi-pipe composite reacting apparatus.That this multi-pipe composite reacting apparatus has is simple in structure, making and easy to operate, efficient height, data error are little simultaneously, degree of accuracy advantages of higher.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of multi-pipe composite reacting apparatus, comprise heating furnace, heater, heat conductive rod, at least 2 reaction tubes, multichannel transfer valve, temperature measurer, temperature controller and flow distributor, heat conductive rod are positioned at the hollow area that inside heating furnace is provided with; Heater is positioned at heating furnace, outside the hollow area; Be provided with at least 2 reaction tube introduction channels in the heat conductive rod with the placing response pipe, the charging aperture of each reaction tube all is connected with flow distributor, and the discharging opening of each reaction tube all is connected with the multichannel transfer valve, each reaction tube is is connected in parallel; Temperature element in each reaction tube all links to each other with temperature measurer; Heater in the heating furnace links to each other with temperature controller, the temperature control in the realization response pipe.
In the technique scheme, heat conductive rod is cylinder in the multi-pipe composite reacting apparatus, and hollow area is positioned at the heating furnace center, and cylindrical, so that be complementary with the heat conductive rod size; The reaction tube introduction channel place that is provided with in the heat conductive rod also is provided with the pipeline link slot, and the quantity of reaction tube is 2～150, is preferably 2～20.The multichannel transfer valve can be realized online sampled functions by switching.The temperature element preferred version is a thermocouple.
Among the present invention, heating furnace adopts a sleeving temperature control system, so not only reduces the quantity of temperature control instrument, saves cost of investment, simultaneously, device integrated level height, easy to operate.In each reaction tube thermocouple is set, and links to each other with temperature measurer by lead, the accurate temperature in each reaction tube all can be measured in real time like this.2 to n reaction tubes are connected in parallel, and the outlet of each reaction tube all links to each other with the multichannel transfer valve, and each reaction tube charging aperture all links to each other with flow distributor.Being connected in parallel makes in same set of reactor, can carry out different condition experiments simultaneously, especially for the long period catalyst life experiment of carrying out the differential responses condition simultaneously, can improve conventional efficient greatly, economizes labor time.The use of flow distributor ensures that the differential responses pipe can adopt identical or different operating condition.The multichannel transfer valve that reaction tube outlet is provided with can realize each reaction tube simultaneously or any time online noiseless sample analysis.This is for study on mechanism, and process conditions are investigated, and dynamic experiment etc. all have the advantage that single tube reactor can't possess.Heat conductive rod is cylindrical, and 2 to n reaction tube introduction channels are in order to reach good heat transfer effect and desirable Temperature Distribution along circular distribution in the heat conductive rod.Each introduction channel is provided with the pipeline connection guide groove along the cylindrical normal direction in the heat conductive rod, and its purpose is to make full use of the heat of heating furnace own and ensures that not condensation is undistorted in each reaction tube outlet sample delivery process.The setting of cylindrical heat conductive rod is in order to satisfy differential responses pipe quantity, the needs of differential responses pipe diameter, thus reach versatile and flexible, the experimental applications purpose of highly versatile.Among the present invention, also can realize the group technology condition experiment of identical or the temperature conditions that differs from one another by the differential responses pipe being placed on different flat-temperature zones in the heater.
Core of the present invention is that the differential responses pipe is connected in parallel, and it is each reactor outlet is continuous with the multichannel transfer valve, thereby realize differential responses pipe noiseless online sampling of exit reaction effluent and analysis, simultaneously, being provided with of flow distributor can guarantee that each reaction tube keeps identical or different experiment condition.
Among the present invention, adopt heating furnace, heater, heat conductive rod, at least 2 reaction tubes, multichannel transfer valve, temperature measurer, temperature controller and flow distributor, heat conductive rod are positioned at the hollow area that inside heating furnace is provided with; Heater is positioned at heating furnace, outside the hollow area; Be provided with at least 2 reaction tube introduction channels in the heat conductive rod with the placing response pipe, the charging aperture of each reaction tube all is connected with flow distributor, and the discharging opening of each reaction tube all is connected with the multichannel transfer valve, each reaction tube is is connected in parallel; Temperature element in each reaction tube all links to each other with temperature measurer; Heater in the heating furnace links to each other with temperature controller, the temperature control in the realization response pipe.By using the technical scheme of this multi-pipe reacting apparatus, obtained better technical effect.
Description of drawings
Accompanying drawing 1 is the multi-pipe composite reacting apparatus structural representation.
Among Fig. 11 be the feed(raw material)inlet, 2 for heating furnace, 3 for heater, 4 for heat conductive rod, 5 for reaction tube inlet, 6 for temperature thermocouple, 7 for reaction tube, 8 for beds, 9 for the product outlet, 10 for the multichannel transfer valve, 11 for temperature measurer, 12 for temperature controller, 13 be that flow distributor, 14 is a multichannel transfer valve controller.
Accompanying drawing 2 is the heat conductive rod structural representation.
4 is that heat conductive rod, 15 is that reaction tube introduction channel, 16 is the pipeline connection guide groove among Fig. 2.
Process prescription is as follows: at first by temperature controller 12 reaction temperature that needs is set, it is real that the question response actuator temperature reaches After testing the temperature that needs, raw material is sent into flow distributor 13, the flow after distributing enter respectively corresponding reaction tube entrance (as Reaction tube 5), raw material enters reactor bed 8 by reactor inlet (such as reaction tube 5) and reacts, and reaction is flowed out Thing flows out reaction system after Multi-channel switching valve 10 samplings. During reaction is carried out, by the control of control Multi-channel switching valve Device 14 control channel transfer valves 10 processed are realized each reactor outlet simultaneously or the timesharing sample analysis.
The present invention not only can carry out the different process bar simultaneously by the multi-pipe composite reacting apparatus technology in a cover reactor The part experiment greatly improves scientific research efficient; The research function is strong, integrated level is high, the stability of a system is good, operation is clever but also have Convenient, the many-sided advantage such as cost of investment is few and construction period is short of living, can be widely used in petrochemical industry, environmental chemical engineering, The fields such as pharmacy. Have simultaneously following remarkable advantage: (1) has simple in structure, easy to operate, safe and reliable to operation. (2) number Little according to error, repeatability is high; (3) applied range.
The invention will be further elaborated below by embodiment, but be not limited only to present embodiment.
The specific embodiment
[embodiment 1]
Main body of the present invention is made up of feed(raw material)inlet 1, heating furnace 2, heater 3, heat conductive rod 4, reaction tube inlet 5, temperature thermocouple 6, reaction tube 7, beds 8, product outlet 9, multichannel transfer valve 10, temperature measurer 11, temperature controller 12, flow distributor 13, multichannel transfer valve controller 14, reaction tube introduction channel 15 and pipeline connection guide groove 16.Heat conductive rod 4 is positioned at the heating furnace 2 inner hollow area that are provided with; Heater 3 is positioned at heating furnace 2, outside the hollow area; Be provided with at least 2 reaction tube introduction channels 15 in the heat conductive rod 4 with placing response pipe 7, the charging aperture of each reaction tube all is connected with flow distributor 13, the discharging opening of each reaction tube all is connected with multichannel transfer valve 10, each reaction tube is is connected in parallel; Temperature element in each reaction tube all links to each other with temperature measurer 11; Heater 3 in the heating furnace 2 links to each other with temperature controller 12, the temperature control in the realization response pipe 7.
The multi-pipe reacting apparatus of this invention is made simple, and versatility is good, has great market application foreground.
[embodiment 2]
According to embodiment 1 described multi-pipe composite reacting apparatus, just reaction tube is 6 reaction tubes.Adopting the 1-butene feed, is catalyst with the ZSM-5 molecular sieve, its silica alumina ratio SiO
2/ Al
2O
3Be 200,450 ℃ of each reaction tube reaction temperatures, 480 ℃, 500 ℃, 530 ℃, 550 ℃, 580 ℃, each reactor charge equates catalyst, and weight space velocity is 5 hours
-1Condition under carry out catalyst life simultaneously and investigate, the ethylene, propylene yield sees Table 1 and table 2.
Table 1, differential responses time weight ethylene yield, %
Table 2, differential responses time propylene weight yield, %
If adopt single tube reactor, need six times time just can finish above-mentioned experiment at least, it is conspicuous that multi-pipe composite reacting apparatus is greatly increased work efficiency.
Claims (6)
1. multi-pipe composite reacting apparatus comprises heating furnace, heater, heat conductive rod, at least 2 reaction tubes, multichannel transfer valve, and temperature measurer, temperature controller and flow distributor, heat conductive rod are positioned at the hollow area that inside heating furnace is provided with; Heater is positioned at heating furnace, outside the hollow area; Be provided with at least 2 reaction tube introduction channels in the heat conductive rod with the placing response pipe, the charging aperture of each reaction tube all is connected with flow distributor, and the discharging opening of each reaction tube all is connected with the multichannel transfer valve, each reaction tube is is connected in parallel; Temperature element in each reaction tube all links to each other with temperature measurer; Heater in the heating furnace links to each other with temperature controller, the temperature control in the realization response pipe.
2. according to the described multi-pipe composite reacting apparatus of claim 1, it is characterized in that described multi-pipe reacting apparatus, heat conductive rod is cylinder, and hollow area is positioned at the heating furnace center, and cylindrical, so that be complementary with the heat conductive rod size; The reaction tube introduction channel place that is provided with in the heat conductive rod also is provided with the pipeline link slot.
3. according to the described multi-pipe composite reacting apparatus of claim 1, the quantity that it is characterized in that reaction tube is 2～150.
4. according to the described multi-pipe composite reacting apparatus of claim 3, the quantity that it is characterized in that reaction tube is 2～20.
5. according to the described multi-pipe composite reacting apparatus of claim 1, it is characterized in that the multichannel transfer valve can be by switching the online sampled functions of realization.
6. according to the described multi-pipe composite reacting apparatus of claim 1, it is characterized in that temperature element is a thermocouple.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100294699A CN100391587C (en) | 2005-09-07 | 2005-09-07 | Multi-pipe composite reacting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100294699A CN100391587C (en) | 2005-09-07 | 2005-09-07 | Multi-pipe composite reacting apparatus |
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| CN1927441A CN1927441A (en) | 2007-03-14 |
| CN100391587C true CN100391587C (en) | 2008-06-04 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102172505B (en) * | 2011-02-28 | 2013-07-24 | 广州市威格林环保科技有限公司 | Multichannel parallel pipe type reactor system |
| CN102266742B (en) * | 2011-04-27 | 2014-04-09 | 天津市鹏翔科技有限公司 | Multichannel differential reaction device |
| CN103162997A (en) * | 2011-12-13 | 2013-06-19 | 中国科学院大连化学物理研究所 | Multi-channel and multi-function high-pressure micro-reaction system monitored by computer |
| CN104368280B (en) * | 2013-08-16 | 2017-02-08 | 中国石油化工股份有限公司 | Method for assembling tubular reactor |
| CN105716988A (en) * | 2014-12-05 | 2016-06-29 | 中国石油天然气股份有限公司 | Tubular device for rapidly determining coking trend of heated inferior heavy oil and determination method thereof |
| CN105817184A (en) * | 2015-11-13 | 2016-08-03 | 亚申科技研发中心（上海）有限公司 | Multichannel fixed-bed reactor system |
| CN108514817B (en) * | 2018-06-27 | 2024-01-26 | 湘潭大学 | Multifunctional experimental device for purifying gaseous pollutants |
| CN108786450B (en) * | 2018-06-27 | 2021-04-02 | 湘潭大学 | Open type multifunctional test platform related to gas reaction |
| CN113101874A (en) * | 2021-04-21 | 2021-07-13 | 华中科技大学 | Closed U-shaped tube reactor and control method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556537A (en) * | 1982-10-15 | 1985-12-03 | Idemitsu Kosan Company Limited | Reactor |
| CN1303731A (en) * | 1999-12-15 | 2001-07-18 | 环球油品公司 | Combined catalysis reactor |
| CN2499117Y (en) * | 2001-08-28 | 2002-07-10 | 中国科学院大连化学物理研究所 | Combined multiple phase catalytic reaction furnace |
| CN2661300Y (en) * | 2003-11-26 | 2004-12-08 | 中国科学院大连化学物理研究所 | Combined polyphase catalytic reactor |
-
2005
- 2005-09-07 CN CNB2005100294699A patent/CN100391587C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556537A (en) * | 1982-10-15 | 1985-12-03 | Idemitsu Kosan Company Limited | Reactor |
| CN1303731A (en) * | 1999-12-15 | 2001-07-18 | 环球油品公司 | Combined catalysis reactor |
| CN2499117Y (en) * | 2001-08-28 | 2002-07-10 | 中国科学院大连化学物理研究所 | Combined multiple phase catalytic reaction furnace |
| CN2661300Y (en) * | 2003-11-26 | 2004-12-08 | 中国科学院大连化学物理研究所 | Combined polyphase catalytic reactor |
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