CN105806733A - Gradientless reactor capable of monitoring catalyst quality online - Google Patents
Gradientless reactor capable of monitoring catalyst quality online Download PDFInfo
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- CN105806733A CN105806733A CN201610261854.4A CN201610261854A CN105806733A CN 105806733 A CN105806733 A CN 105806733A CN 201610261854 A CN201610261854 A CN 201610261854A CN 105806733 A CN105806733 A CN 105806733A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
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Abstract
The invention relates to a gradientless reactor capable of monitoring catalyst quality online. The gradientless reactor capable of monitoring catalyst quality online comprises a weighing chamber, a weighing sensor, a signal control system, a reaction basket, an alloy connecting line, a corrugated pipe, a water-cooled pipeline, a circulating casing, a heating box, a liquid sample discharge outlet, a circulating driver, a raw material gas inlet pipe and a tail gas outlet pipe. The weighing sensor is arranged in the weighing chamber, and the weighing sensor is electrically connected with the signal control system; the reaction basket is connected with the weighing sensor through the alloy connecting line, the bottom of the weighing chamber is hermetically connected with the circulating casing sequentially through the corrugated pipe and the water-cooled pipeline, and the circulating casing is arranged in the heating box. The circulating casing is connected with the circulating driver, the liquid sample discharge outlet is formed in the bottom of the circulating casing, the raw material gas inlet pipe and the tail gas outlet pipe are arranged at the top of the circulating casing, and an outlet end of the tail gas outlet pipe is connected with a gas chromatographic analyzer. The gradientless reactor capable of monitoring catalyst quality online can be used in a wider pressure range, is high in weighing accuracy and is not limited to reactions in which only gas products are produced.
Description
Technical field
The present invention relates to a kind of without gradient catalytic reactor, especially with regard to a kind of can the gradientless reactor of on-line monitoring catalyst quality.
Background technology
Reactor is essential in catalytic reaction kinetics experiment and the catalyst evaluation and test catalysis chemical research such as experiment, such as common fixed bed reactors, fluidized-bed reactor with turn basket reactor etc. and be all widely adopted.But, these reactors were difficult to be competent in further investigation many common catalyst carbon deposition inactivation behaviors (the carbon distribution inactivation behavior of the reaction such as such as catalytic cracking, methanol-to-olefins, alkylation, reforming of methane on Ni-Ce and aromatisation) time.This is because catalyst carbon deposition inactivation is a complicated process, carbon distribution generating rate and primary response speed are closely related with reaction atmosphere, catalysqt deactivation causes primary response speed to decline, carbon distribution generating rate can be caused too to decline, obtain the real-time generating rate of carbon distribution and the relation of reaction atmosphere, accurate Study of Catalyst carbon distribution behavior is particularly important.
A kind of circulation electric balance reactor, by Kanthal line coupled reaction basket and balance, it is achieved that the real-time online detection of carbon distribution quality.But, there is some problem in this reactor: weighing unit and reaction member Hard link cause that system vibrations are very easily conducted to balance of weighing thus affecting measurement accuracy；It is not enough to intercept reaction member heat by nitrogen forward flow between weighing unit and reaction member be communicated up, during system long-term operation, very easily burns out, because of weighing unit high temperature, balance of weighing；Reactor only can run at ambient pressure, limits its range of application；Reactor is not suitable for the reaction having product liquid to generate；Under former reaction basket structure, feed stock conversion is relatively low, and initial conversion is typically between 10%～15%, the highest less than 17%, and is unfavorable for experimental data collection.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of can the gradientless reactor of on-line monitoring catalyst quality, it can use in wider pressure limit, weighs precisely and be not limited to the reaction that only gas-phase product generates.
For achieving the above object, the present invention takes techniques below scheme: the gradientless reactor of a kind of on-line monitoring catalyst quality, it is characterised in that it includes weighing chamber, LOAD CELLS, whistle control system, reaction basket, alloy connecting line, corrugated tube, water-cooled pipeline, circulates sleeve pipe, adds hot tank and circulation driver；Being provided with described LOAD CELLS in described weighing chamber, described LOAD CELLS electrically connects with described whistle control system；Described reaction basket is connected with described LOAD CELLS through described alloy connecting line, it is connected through described corrugated tube and described water-cooled pipeline are airtight with described circulation sleeve pipe successively bottom described weighing chamber, described circulation sleeve pipe adds in hot tank described in being arranged on, described in add hot tank be heated at constant temperature case；Described circulation sleeve pipe is connected with circulation driver.
nullPreferably，Described circulation sleeve pipe is made up of the first L-type arm and the second L-type arm，Described first L-type arm one end is connected with described water-cooled pipeline，The described first L-type arm other end is connected with described circulation driver by flange，It is provided with liquid setting-out mouth bottom described first L-type arm，Described second L-type arm one end is also connected with described circulation driver，The other end of described second L-type arm is connected near the sidewall at described water-cooled pipeline place with described first L-type arm，Raw material air inlet pipe and tail gas escape pipe composition concentric tubes，It is all disposed within described second L-type arm top，Interior pipe is described raw material air inlet pipe，Outer tube is described tail gas escape pipe，The described raw material air inlet pipe port of export extend into less than 1/2 place of described second L-type arm，Described tail gas escape pipe arrival end extend into more than 1/2 place of described second L-type arm，The described tail gas escape pipe port of export is connected with gas chromatographicanalyzer.
Preferably, the described water cooling tube route cold pipeline of tertiary effluent, two-stage water-cooling pipeline and one-level water-cooled pipeline are constituted；Described corrugated tube one end and the cold pipeline one end of described tertiary effluent are tightly connected, the described tertiary effluent cold pipeline other end and described two-stage water-cooling pipeline one end are tightly connected, the described two-stage water-cooling pipeline other end and described one-level water-cooled pipeline one end are tightly connected, and the described one-level water-cooled pipeline other end and described first L-type arm one end are tightly connected by copper packing.
Preferably, described circulation driver is made up of power transmission shaft, bearing, circulating fan and transmission tube；The described first L-type arm other end is connected with described bearing by flange, described power transmission shaft is connected through described bearing with described circulating fan, described circulating fan is fixed on described power transmission shaft by anti-silk helicitic texture, the described power transmission shaft other end is connected through another described bearing with described transmission tube one end, the described transmission tube other end is connected with external drive motors, described external drive motors electrically connects with described whistle control system, on described transmission tube, it is provided with friction top with on described external drive motors link, by O between described transmission tube and described friction top, tetrafluoro axle sleeve and sealing ring constitute three grades of sealings.
Preferably, being provided with thermocouple thermometer in described first L-type arm, described thermocouple thermometer electrically connects with described whistle control system.
Preferably, the sidewall of described weighing chamber is provided with a differential manometer, and the junction of the cold pipeline of described tertiary effluent and described two-stage water-cooling pipeline is provided with another described differential manometer；Two described differential manometers all electrically connect with described whistle control system, pass into noble gas in described weighing chamber.
Preferably, described reaction basket is set to cylindric, and bottom surface is hollow out, and the saturating area in hole of bottom surface is not less than 30%, slots in described reaction basket top, installs hollow out top cover, and the saturating area in hole of top cover is also not less than 30%, and hollow out top cover is set to drawing and pulling type.
Preferably, the internal diameter of described reaction basket is 12-26mm, high 12-30mm；It is 14-28mm that described first L-type being connected with described water-cooled pipeline props up bore, and height is 140-320mm, and the remainder internal diameter of described circulation sleeve pipe is 8-22mm, and horizontal length is 120-200mm.
Preferably, there is the annular space of 0.5mm-2mm between described reaction basket and described first L-type arm, the described first L-type branch pipe wall and the described reaction basket outer wall that are connected with described water-cooled pipeline all polish.
Preferably, the material of described O is silicone rubber or fluorubber, and described corrugated tube and described water-cooled pipeline use SUS304 material；Described circulation sleeve pipe, described reaction basket, described circulating fan, described power transmission shaft and described transmission tube use SUS316 material, and the material of described bearing is zirconium oxide or silicon nitride；The material of described alloy connecting line is Ni30Cr20 alloy.
Due to the fact that and take above technical scheme, it has the advantage that 1, the present invention adopts gradientless reactor, it is possible to precisely monitoring catalyst carries out the mass change in process with reaction.2, the present invention adopts gradientless reactor, has good cooling system, it may be achieved system long-term stability is run.3, the present invention adopts gradientless reactor, it is possible to achieve operate under wider working condition pressure (1bar-10bar).4, the present invention adopts gradientless reactor, while monitoring catalyst quality in real time, coordinates real-time online product analysis device, can be used for the further investigation of a lot of unstable state catalytic reaction, and be suitable for the reaction having product liquid to generate.
Accompanying drawing explanation
Fig. 1 is that the present invention is without gradient catalytic reactor overall structure schematic diagram；
Fig. 2 is the present invention when carrier gas flux 50ml/min, circulating fan rotating speed 1000rpm, operation temperature 25 DEG C, the response signal monitoring result of tracer in tail gas；
Fig. 3 is the present invention when carrier gas flux 25ml/min, circulating fan rotating speed 2000rpm, operation temperature 25 DEG C, the response signal monitoring result of tracer in tail gas；
Fig. 4 is the present invention when carrier gas flux 50ml/min, circulating fan rotating speed 2000rpm, operation temperature 255 DEG C, the response signal monitoring result of tracer in tail gas；
Fig. 5 is the present invention when carrier gas flux 50ml/min, circulating fan rotating speed 0rpm, operation temperature 25 DEG C, the response signal monitoring result of tracer in tail gas；
Fig. 6 be in catalytic cracking of the present invention carbon distribution quality with the change curve schematic diagram in response time.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention provides the gradientless reactor of a kind of on-line monitoring catalyst quality, and it includes weighing chamber 1, LOAD CELLS 2, whistle control system, reaction basket 3, alloy connecting line 4, corrugated tube 5, water-cooled pipeline, circulates sleeve pipe, adds hot tank 6, liquid setting-out mouth 7, circulation driver, raw material air inlet pipe 8 and tail gas escape pipe 9.Being provided with LOAD CELLS 2 in weighing chamber 1, LOAD CELLS 2 electrically connects with whistle control system, for the carbon deposition quantity that real-time online measuring catalysqt deactivation generates；Reaction basket 3 ECDC gold bonding wire 4 is connected with LOAD CELLS 2；Bottom weighing chamber 1, through corrugated tube 5 and water-cooled pipeline and circulation, sleeve pipe is airtight is connected successively.Circulation sleeve pipe is arranged on and adds in hot tank 6, adds hot tank 6 for heated at constant temperature case, is under constant temperature for whole circulation sleeve pipe.Circulation sleeve pipe is made up of the first L-type arm 10 and the second L-type arm 11, first L-type arm 10 one end is connected with water-cooled pipeline, first L-type arm 10 other end is connected with circulation driver by flange, liquid setting-out mouth 7 it is provided with, for collecting the product liquid in course of reaction bottom first L-type arm 10；Second L-type arm 11 one end is also connected with circulation driver, the other end of the second L-type arm 11 and the first L-type arm 10 sidewall near water-cooled pipeline place connects, raw material air inlet pipe 8 and tail gas escape pipe 9 form concentric tubes, it is all disposed within the second L-type arm 11, interior pipe is raw material air inlet pipe 8, outer tube is tail gas escape pipe 9, raw material air inlet pipe 8 port of export extend into less than 1/2 place of the second L-type arm 11, tail gas escape pipe 9 arrival end extend into more than 1/2 place of the second L-type arm 11, the air-flow being easy in circulation sleeve pipe is stablized horizontal sliding in the direction of the clock and is circulated, tail gas escape pipe 9 port of export is connected with gas chromatographicanalyzer, for exhaust gas component is analyzed in real time.
In above-described embodiment, the water cooling tube route cold pipeline 12 of tertiary effluent, two-stage water-cooling pipeline 13 and one-level water-cooled pipeline 14 are constituted.Corrugated tube 5 one end and tertiary effluent cold pipeline 12 one end are tightly connected, tertiary effluent cold pipeline 12 other end and two-stage water-cooling pipeline 13 one end are tightly connected, two-stage water-cooling pipeline 13 other end and one-level water-cooled pipeline 14 one end are tightly connected, and one-level water-cooled pipeline 14 other end and first L-type arm 10 one end are tightly connected by copper packing.Water-cooled pipeline is for the gas between cool cycles sleeve pipe and weighing chamber 1, and then reduces weighing chamber 1 temperature.
In the various embodiments described above, circulation driver is made up of power transmission shaft 15, bearing 16, circulating fan 17 and transmission tube 18.First L-type arm 10 other end is connected with bearing 16 by flange, power transmission shaft 15 is connected through bearing 16 with circulating fan 17, circulating fan 17 is fixed on power transmission shaft 15 by anti-silk helicitic texture, power transmission shaft 15 other end is connected through another bearing 16 with transmission tube 18 one end, transmission tube 18 other end is connected with external drive motors, external drive motors electrically connects with whistle control system, for controlling the rotating speed of drive motor, and then control circulating fan 17 makes gas flow rate and live gas induction air flow ratio in circulation sleeve pipe reach certain recycle ratio.On transmission tube 18, and external drive motors link is provided with friction top 19, between transmission tube 18 and friction top 19, is made up of three grades of sealings O 20, tetrafluoro axle sleeve 21 and sealing ring 22.
In the various embodiments described above, being provided with thermocouple thermometer 23 in the first L-type arm 10, thermocouple thermometer 23 electrically connects with whistle control system, for the temperature in the sleeve pipe of monitoring circulation in real time.
In the various embodiments described above, the sidewall of weighing chamber 1 is provided with a differential manometer 24, and the junction of the cold pipeline 12 of tertiary effluent and two-stage water-cooling pipeline 13 is provided with another differential manometer 24.Two differential manometers 24 all electrically connect with whistle control system, for the pressure differential of monitoring weighing chamber 1 and circulation sleeve pipe in real time.Pass into noble gas in weighing chamber 1, make the micro-pressure more than circulation sleeve pipe of pressure of weighing chamber 1, be used for ensureing that noble gas continues to be moved to circulating sleeve pipe flow by weighing chamber 1.It is provided with corrugated tube 5 between weighing chamber 1 and circulation sleeve pipe, for extenuating circulation sleeve pipe and environmental vibration impact that weighing chamber 1 is caused, makes LOAD CELLS 2 export accurate signal.
In the various embodiments described above, reaction basket 3 is set to cylindric, bottom surface is hollow out, the saturating area in hole of bottom surface is not less than 30%, reaction basket 3 top fluting, installs hollow out top cover, and the saturating area in hole of top cover is also not less than 30%, hollow out top cover is set to drawing and pulling type, loads reaction basket 3 or from reacting removal in basket 3 for convenient catalyst.The internal diameter of reaction basket 3 is 12-26mm, high 12-30mm；The first L-type arm 10 internal diameter being connected with water-cooled pipeline is 14-28mm, and height is 140-320mm, and the remainder internal diameter of circulation sleeve pipe is 8-22mm, and horizontal length is 120-200mm.There is the annular space of 0.5mm-2mm between the first L-type arm 10 that reaction basket 3 is connected with water-cooled pipeline, be used for increasing gradientless reactor flux, improve feed stock conversion.The first L-type arm 10 inwall and reaction basket 3 outer wall that are connected with water-cooled pipeline all polish, for reducing the air-flow friction through annular space, make 10 collisionless of reaction basket 3 and the first L-type arm contact, avoid the impact on LOAD CELLS 2 signal, LOAD CELLS 2 outputting high quality signal as far as possible.
In above-described embodiment, the preferred size of reaction basket 3 is internal diameter 19mm, and high 22mm, volume is about 6ml；The first L-type arm 10 internal diameter being connected with water-cooled pipeline is preferably 22.4mm, and the high 232mm that is preferably, circulation sleeve pipe remainder internal diameter is preferably 15mm, and horizontal length is preferably 156mm.
In the various embodiments described above, the material of O 20 is silicone rubber or fluorubber, has certain heat resistance, makes whole device have good thermostability and air-tightness, saves transmission distance simultaneously.The room temperature parts such as corrugated tube 5 and water-cooled pipeline use SUS304 material；The high-temperature components such as circulation sleeve pipe, reaction basket 3, circulating fan 17, power transmission shaft 15 and transmission tube 18 use SUS316 material, have good heat resistance, and react without blank pipe.The material of bearing 16 is zirconium oxide or silicon nitride.The material of alloy connecting line 4 is Ni30Cr20 alloy, and this material has excellent thermostability, and has good pliability.
According to said apparatus, present invention also offers the using method of the gradientless reactor of a kind of on-line monitoring catalyst quality, its step is as follows:
1) reaction start before pass into noble gas to weighing chamber and ensure forward flow into circulation sleeve pipe with guarantee react time unstripped gas will not flow backwards, then open water-cooled pipeline, it is ensured that weighing chamber maintains safe operating temperature range (not higher than 30 DEG C)；
2) stability of monitoring LOAD CELLS output signal, guarantee that the shock-absorbing function of corrugated tube is brought into normal play, reactant is entered on the right side of circulation sleeve pipe by raw material air inlet, and Rapid Circulation flowing under circulating fan drives, a portion gas can be discharged along tail gas gas outlet；
3) regulate air inflow and circulating fan rotating speed and change gas recycle ratio in sleeve pipe, so control reactor without gradient characteristics；
4) through reaction basket generation catalytic reaction in mixing gas recycle process, portion gas can pass through in the annular space short circuit between reacted basket and circulation sleeve pipe；
5) reaction basket hangs on immediately below LOAD CELLS by alloy wire, generated carbon deposition quantity in real-time online measuring course of reaction；
6) adopt the quality signal of the real-time output-response basket (containing catalyst) of high-precision weighing sensor, and then complete the mensuration of carbon distribution generating rate in whole course of reaction；
Embodiment 1, carries out blank experiment on gradientless reactor, and uneasy reaction cartridge basket, experiment is with N2For carrier gas, CH4For spike gas, N2Gas speed is 50ml/min, and circulating fan rotating speed is 1000rpm, CH4Amount is 5ml.Temperature is 25 DEG C, and pressure is 0.1MPa, and the time of staying is 10.45min, and in circulation sleeve pipe, gas flow rate is 3.52 with the ratio of live gas induction air flow ratio, as shown in Figure 2.
Embodiment 2, circulating fan rotating speed is 2000rpm, N2Gas speed is 25ml/min, and all the other experiment conditions are identical with embodiment 1, test.The time of staying is 5.07min, and in circulation sleeve pipe, gas flow rate is 7.31 with the ratio of live gas induction air flow ratio, as shown in Figure 3.
Embodiment 3, circulating fan rotating speed is 2000rpm, N2Gas speed is 50ml/min, and temperature of reactor is 255 DEG C, and all the other experiment conditions are identical with embodiment 1, test.The time of staying is 5.88min, and in circulation sleeve pipe, gas flow rate is 5.78 with the ratio of live gas induction air flow ratio, as shown in Figure 4.
Embodiment 4, circulating fan rotating speed is 0rpm, and all the other experiment conditions are identical with embodiment 1, test, and the time of staying is 16.16min, a short-circuit peak and a circulation peak only occurs.This phenomenon illustrates when lacking circulating fan, it is impossible to realize the ratio of gas flow rate and live gas induction air flow ratio in circulation sleeve pipe, as shown in Figure 5.
Embodiment 5, adds reaction cartridge basket on gradientless reactor, and carries out catalytic cracking reaction, loaded catalyst 1.5g, and experiment is with N2For carrier gas, N2Gas speed is 15ml/min, and raw material is hexadecane, and feed rate is 0.005ml/min.Circulating fan rotating speed is 4000rpm, and temperature of reactor is 390 DEG C, and pressure is 0.1MPa.With the response time increase carbon distribution generating rate curve as shown in Figure 6, weighing-up wave disturbance absolute value is ± 5mg, and obtaining hexadecane initial conversion is 45.18%.
The various embodiments described above are merely to illustrate the present invention; the structure of each parts, size, position is set and shape all can be varied from; on the basis of technical solution of the present invention; all improvement individual part carried out according to the principle of the invention and equivalents, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. the gradientless reactor of an on-line monitoring catalyst quality, it is characterised in that: it includes weighing chamber, LOAD CELLS, whistle control system, reaction basket, alloy connecting line, corrugated tube, water-cooled pipeline, circulates sleeve pipe, adds hot tank and circulation driver；Being provided with described LOAD CELLS in described weighing chamber, described LOAD CELLS electrically connects with described whistle control system；Described reaction basket is connected with described LOAD CELLS through described alloy connecting line, it is connected through described corrugated tube and described water-cooled pipeline are airtight with described circulation sleeve pipe successively bottom described weighing chamber, described circulation sleeve pipe adds in hot tank described in being arranged on, described in add hot tank be heated at constant temperature case；Described circulation sleeve pipe is connected with circulation driver.
null2. the gradientless reactor of a kind of on-line monitoring catalyst quality as claimed in claim 1，It is characterized in that: described circulation sleeve pipe is made up of the first L-type arm and the second L-type arm，Described first L-type arm one end is connected with described water-cooled pipeline，The described first L-type arm other end is connected with described circulation driver by flange，It is provided with liquid setting-out mouth bottom described first L-type arm，Described second L-type arm one end is also connected with described circulation driver，The other end of described second L-type arm is connected near the sidewall at described water-cooled pipeline place with described first L-type arm，Raw material air inlet pipe and tail gas escape pipe composition concentric tubes，It is all disposed within described second L-type arm top，Interior pipe is described raw material air inlet pipe，Outer tube is described tail gas escape pipe，The described raw material air inlet pipe port of export extend into less than 1/2 place of described second L-type arm，Described tail gas escape pipe arrival end extend into more than 1/2 place of described second L-type arm，The described tail gas escape pipe port of export is connected with gas chromatographicanalyzer.
3. the gradientless reactor of a kind of on-line monitoring catalyst quality as claimed in claim 1, it is characterised in that: the described water cooling tube route cold pipeline of tertiary effluent, two-stage water-cooling pipeline and one-level water-cooled pipeline are constituted；Described corrugated tube one end and the cold pipeline one end of described tertiary effluent are tightly connected, the described tertiary effluent cold pipeline other end and described two-stage water-cooling pipeline one end are tightly connected, the described two-stage water-cooling pipeline other end and described one-level water-cooled pipeline one end are tightly connected, and the described one-level water-cooled pipeline other end and described first L-type arm one end are tightly connected by copper packing.
4. the gradientless reactor of a kind of on-line monitoring catalyst quality as claimed in claim 1, it is characterised in that: described circulation driver is made up of power transmission shaft, bearing, circulating fan and transmission tube；The described first L-type arm other end is connected with described bearing by flange, described power transmission shaft is connected through described bearing with described circulating fan, described circulating fan is fixed on described power transmission shaft by anti-silk helicitic texture, the described power transmission shaft other end is connected through another described bearing with described transmission tube one end, the described transmission tube other end is connected with external drive motors, described external drive motors electrically connects with described whistle control system, on described transmission tube, it is provided with friction top with on described external drive motors link, by O between described transmission tube and described friction top, tetrafluoro axle sleeve and sealing ring constitute three grades of sealings.
5. the gradientless reactor of a kind of on-line monitoring catalyst quality as claimed in claim 1, it is characterised in that: being provided with thermocouple thermometer in described first L-type arm, described thermocouple thermometer electrically connects with described whistle control system.
6. the gradientless reactor of a kind of on-line monitoring catalyst quality as claimed in claim 1, it is characterized in that: the sidewall of described weighing chamber is provided with a differential manometer, and the junction of the cold pipeline of described tertiary effluent and described two-stage water-cooling pipeline is provided with another described differential manometer；Two described differential manometers all electrically connect with described whistle control system, pass into noble gas in described weighing chamber.
7. the gradientless reactor of a kind of on-line monitoring catalyst quality as claimed in claim 1, it is characterized in that: described reaction basket is set to cylindric, bottom surface is hollow out, the saturating area in hole of bottom surface is not less than 30%, slot in described reaction basket top, installing hollow out top cover, the saturating area in hole of top cover is also not less than 30%, and hollow out top cover is set to drawing and pulling type.
8. the gradientless reactor of a kind of on-line monitoring catalyst quality as described in any one of claim 1-7, it is characterised in that: the internal diameter of described reaction basket is 12-26mm, high 12-30mm；It is 14-28mm that described first L-type being connected with described water-cooled pipeline props up bore, and height is 140-320mm, and the remainder internal diameter of described circulation sleeve pipe is 8-22mm, and horizontal length is 120-200mm.
9. the gradientless reactor of a kind of on-line monitoring catalyst quality as described in any one of claim 1-7, it is characterized in that: there is the annular space of 0.5mm-2mm between described reaction basket and described first L-type arm, the described first L-type branch pipe wall and the described reaction basket outer wall that are connected with described water-cooled pipeline all polish.
10. the gradientless reactor of a kind of on-line monitoring catalyst quality as described in any one of claim 1-7, it is characterised in that: the material of described O is silicone rubber or fluorubber, and described corrugated tube and described water-cooled pipeline use SUS304 material；Described circulation sleeve pipe, described reaction basket, described circulating fan, described power transmission shaft and described transmission tube use SUS316 material, and the material of described bearing is zirconium oxide or silicon nitride；The material of described alloy connecting line is Ni30Cr20 alloy.
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| CN111610225A (en) * | 2019-02-25 | 2020-09-01 | 中国石油天然气股份有限公司 | Method for measuring oxidation exothermic property of crude oil |
| CN113494715A (en) * | 2021-05-26 | 2021-10-12 | 南大恩洁优环境技术(江苏)股份公司 | VOCs circulating catalytic combustion purification device |
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