CN202649187U - Activity evaluation device of catalyst - Google Patents
Activity evaluation device of catalyst Download PDFInfo
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- CN202649187U CN202649187U CN2012202858494U CN201220285849U CN202649187U CN 202649187 U CN202649187 U CN 202649187U CN 2012202858494 U CN2012202858494 U CN 2012202858494U CN 201220285849 U CN201220285849 U CN 201220285849U CN 202649187 U CN202649187 U CN 202649187U
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Abstract
The utility model provides an activity evaluation device of a catalyst. The activity evaluation device comprises at least one reaction gas source including carbon monoxide, hydrogen, helium, air and standard gas, a reaction furnace, a hot sink part, a cold sink part, a first collector, a second collector and a gas chromatograph monitoring system, wherein after the gas sources including the carbon monoxide, the hydrogen and the helium are mixed, a part is connected with the reaction furnace, and the other part is connected with the gas chromatograph monitoring system; gas from the reaction furnace enters into a hot trap part, and is divided into three parts, one part enters into a hot trap and is collected under the pressure, one part enters into the gas chromatograph monitoring system, and another part enters into a cold trap; the gas from the reaction furnace is divided into two strands of airflow after the gas enters into the cold trap, one part of the gas is collected under an ice water mixing bath, and the other part of the gas enters into the gas chromatograph monitoring system; a gas chromatography on-line monitoring system comprises at least one TCD (Thermal Conductivity Detector) and an FID (Flame Ionization Detector), and the gas from the hot trap enters into an FID monitor, and the gas from the cold trap enters into a TCD detector.
Description
Technical field
The utility model relates to catalyst technical field, especially relates to the catalyst activity evaluating apparatus.
Background technology
Present catalyst activity evaluating apparatus complex structure, cost height.
The utility model content
The technical matters that the utility model solves is to solve catalyst activity evaluating apparatus complex structure, problem that cost is high.
In order to overcome the above problems, the utility model provides a kind of catalyst activity evaluating apparatus, comprise: the reactant gas source such as at least one carbonoxide, hydrogen, helium, air and Standard Gases, reacting furnace, heat falls into part, cold sunken part, the first gatherer, the second gatherer and gas phase chromatography online monitoring system; Carbon monoxide, hydrogen, helium source of the gas mix rear portion and are connected with reacting furnace by pipeline, and another part is connected with the gas phase chromatography online monitoring system by pipeline; Be divided into three parts after reacting furnace gas out enters hot trap part, a part enters the first gatherer under certain pressure after entering hot trap, and a part enters the gas chromatography on-line monitoring system, and a part of gas enters cold-trap; Be divided into two strands of air-flows after reacting furnace gas out enters cold-trap, a part of gas enters the second gatherer under the frozen water mixing is bathed, and another part gas enters the gas chromatography on-line monitoring system; The gas chromatography on-line monitoring system comprises 1 TCD at least, 1 fid detector, and the gas that hot trap comes enters the FID monitor, and the gas that cold-trap comes enters the TCD detecting device.
Further, as preferably, hydrogen, helium and carbon monoxide access first purification devices before the access pipeline.
Further, as preferably, purification devices is made of zeolite, copper or zinc.
Further, as preferably, the purification devices back is connected to mass flow controller.
Further, as preferably, reacting furnace is three-stage heating furnace, and three sections heating regions are arranged, to guarantee that the upper, middle and lower temperature is consistent in the reacting furnace.
Further, as preferably, two equirotal reactors are arranged in the reacting furnace.
Further, as preferably, reacting furnace gas pipeline outsourcing one deck heating tape out.
Further, as preferably, gas connects a particulate filter before entering the TCD detecting device.
Further, as preferably, gas connects a needle-valve and a particulate filter before entering FID.
Further, as preferably, the gas that TCD is connected with the FID monitor connects a check (non-return) valve.
The utility model beneficial effect because the reacting furnace structure so that simple in structure, cost is low.
Description of drawings
When considered in conjunction with the accompanying drawings, by the following detailed description of reference, can more completely understand better the utility model and learn easily wherein many advantages of following, accompanying drawing described herein is used to provide further understanding of the present utility model, consist of a part of the present utility model, illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of to improper restriction of the present utility model, wherein:
Fig. 1 catalytically active assessment device example structure figure.
Embodiment
Referring to figure embodiment of the present utility model is described.
For above-mentioned purpose, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, the catalyst activity evaluating apparatus comprises: the reactant gas source such as at least one carbonoxide 1, hydrogen 2, helium 3, air 4 and Standard Gases 5, reacting furnace 6, heat falls into part 7, cold sunken part 8, the first gatherer 9, the second gatherer 10 and gas phase chromatography online monitoring system 11; Described carbon monoxide 1, hydrogen 2, helium 3 sources of the gas mix rear portion is connected connection by pipeline with reacting furnace, another part is connected connection by pipeline with the gas phase chromatography online monitoring system; Be divided into three parts after reacting furnace 6 gas out enters hot trap part 7, a part enters the first gatherer 9 under certain pressure after entering hot trap, and a part enters gas chromatography on-line monitoring system 11, and a part of gas enters cold-trap 8; Be divided into two strands of air-flows after reacting furnace 6 gas out enters cold-trap 8, a part of gas enters the second gatherer 10 under the frozen water mixing is bathed, and another part gas enters gas chromatography on-line monitoring system 11; Described gas chromatography on-line monitoring system 11 comprises 1 TCD at least, 1 fid detector, and the gas of hot trap 7 enters the FID monitor, and the gas of cold-trap 6 enters the TCD detecting device.
Embodiment
F-T (Fischer-TropschSythesis) Fischer-Tropsch is synthetic to be referred to take synthetic gas as raw material, synthetic take the technological process of paraffin hydrocarbon as main liquid fuel under catalyzer and appropriate reaction condition.To be the core technology of liquid fuel with coal and conversion of natural gas.Cosmas company mainly synthesizes as primary raw material carries out F-T under iron or Co catalysts take carbon monoxide and hydrogen, and the product that mainly obtains has gasoline, diesel oil and paraffin class etc.After unstripped gas carbon monoxide and hydrogen are removed wherein oxygen, water and other impurity through purifying, by the flow controller adjust flux, enter reacting furnace, paraffin class can collected in hot trap under certain pressure in the reaction product, and all the other products are collected in cold-trap by cooling.This device has been equipped with on-line chromatograph monitor simultaneously.This gas chromatography has thermal conductivity detector (TCD) (TCD) and hydrogen flame detector (FID) simultaneously, can analyze simultaneously gas and the next gas of cold-trap that hot trap comes.Can also by analyzing unstrpped gas contrast product gas, obtain composition and the content of reaction product.Certainly, we can be by changing different unstrpped gas, and the catalytic perfomance of test differential responses not only is confined to fischer-tropsch reaction and synthesizes, and mainly only the Fischer-Tropsch synthesis device is simply introduced here.This cover fischer-tropsch reaction device main conduit line is to be built by 1/8 inch stainless-steel tube, can be divided into 5 parts, sees Fig. 1.
First: reactant gas source.Mainly containing unstripped gas is carbon monoxide 1 and hydrogen 2, the carrier gas helium 3 of gas chromatography and air 4 and Standard Gases 5.Wherein hydrogen 2, helium 3 and carbon monoxide 1 must be removed wherein moisture through purification devices before use, oxygen and other impurity, to prevent catalyst poisoning and inactivation, generally we use zeolite to remove wherein moisture and general impurity, use copper or zinc removal oxygen wherein, before purification devices is accessed the Fischer-Tropsch synthesizer, need under atmosphere of hydrogen, activate.Be 2～3 years the serviceable life of its mesolite and copper, zinc, needs regeneration.GC Standard Gases and air are connected directly to gas chromatography.Purified hydrogen and carbon monoxide and helium to regulate the ratio row of H2/CO, are divided into two strands of air-flows by the mass flow controller coutroi velocity after the mixing, a part enters reaction zone, and a part enters the on-line chromatograph monitor system as unstripped gas.This a part of Main Function provides and purification thing and carrier gas that gas chromatography is provided.
Second portion: reacting furnace 6.After mixing, purified hydrogen 2 and carbon monoxide 1 and helium 3 enter reacting furnace.Reacting furnace 6 is three-stage heating furnaces, and so-called three-stage heating furnace is that three sections heating regions are arranged, to guarantee that the upper, middle and lower temperature is consistent in the reacting furnace.The highest temperature of reaction that can reach of reacting furnace is 1200.Two equirotal reactors are arranged in reacting furnace, so once can install two groups of different catalyzer reacts, generally speaking the synthetic catalyzer of Fischer-Tropsch is iron or Co catalysts, key reaction is nCO+2nH2[-CH2-] n+nH2O, reaction conditions can be according to the difference of catalyzer and difference, general temperature of reaction is that H2/CO is 0.8～2.5 about 250～4002.5MPa.Reaction product generally can be divided into methane, C2-C4 hydrocarbon, C5-C21 hydrocarbon, C22 and above hydrocarbon.
Third part: hot trap part 7.Heat to guarantee that with the heating tape all products are gas phase from reacting furnace 6 gas pipeline out, be divided into three parts after entering hot trap, the above product of part C22 generally is that paraffin and water enter the first gatherer 9 after entering hot trap under certain pressure, because the temperature general control of heating tape is about 150, the above gaseous product of C22 at this time is liquid, can collect in gatherer; The following product gas of part C21 enters online gas chromatography monitoring 11, and is same, and this section of tubing still needs the heating tape to twine; Part product gas enters cold-trap.The effect of hot trap part is mainly separated paraffin and water from product.
The 4th part: cold-trap part 8.Product gas is divided into two strands of air-flows after entering cold-trap, and a part of C5～C21 product gas is bathed under (0) in the frozen water mixing and entered the second gatherer 9, is generally the hydrocarbon productss such as gasoline, diesel, and this is because this part gas is liquid at 0 time, can collect; Another part gas also enters online gas chromatography monitoring.The Main Function of cold-trap part 8 separates the hydrocarbons such as gasoline, diesel oil from product.
The 5th part: gas chromatography on-line monitoring system 11.Gas chromatography monitoring system 11 part more complicated, this gas chromatography has 2 TCD, 1 fid detector.The gas that hot trap comes enters the FID monitor, owing to can carry out two group reactions, so as can be seen from Figure, the product that is obtained by reactor 1 enters corresponding FID1 in, and the product that is obtained by reactor 2 enters corresponding FID2in.The gas that cold-trap comes enters the TCD detecting device, the product that is obtained by reactor 1 equally enters corresponding TCD1 in, the product that is obtained by reactor 2 enters corresponding TCD2in, product gas must connect a particulate filter before entering TCD, enters FID and must connect a needle-valve and a particulate filter before.The gas of being connected with the FID monitor from TCD need connect a check (non-return) valve, to prevent in the gas backflow return-air phase chromatogram, this gas is regulated the flow velocity that can come by the soap film flowmeter unit mensurated gas composition by T-valve, with the flow velocity of calibrating quality flow controller, also can filter behind the harmful gas emptying by filtrator.The Main Function of gas chromatography on-Line Monitor Device is the activity of analysis of catalyst, the conversion ratio of reactant and the selectivity of product.
We can analyze component and the content of Fischer-Tropsch synthetic by this covering device and software kit.Can draw the activity of reaction, the conversion ratio of reactant and the selectivity of product, we can obtain different major products according to regulating different catalyzer certainly
As mentioned above, embodiment of the present utility model is explained, but as long as not breaking away from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation also all is included within the protection domain of the present utility model.
Claims (10)
1. the catalyst activity evaluating apparatus is characterized in that, comprising: the reactant gas source such as at least one carbonoxide, hydrogen, helium, air and Standard Gases, and reacting furnace, heat falls into part, cold sunken part, the first gatherer, the second gatherer and gas phase chromatography online monitoring system; Described carbon monoxide, hydrogen, helium source of the gas mix rear portion and are connected with reacting furnace by pipeline, and another part is connected with the gas phase chromatography online monitoring system by pipeline; Be divided into three parts after reacting furnace gas out enters hot trap part, a part enters the first gatherer under certain pressure after entering hot trap, and a part enters the gas chromatography on-line monitoring system, and a part of gas enters cold-trap; Be divided into two strands of air-flows after reacting furnace gas out enters cold-trap, a part of gas enters the second gatherer under the frozen water mixing is bathed, and another part gas enters the gas chromatography on-line monitoring system; Described gas chromatography on-line monitoring system comprises 1 TCD at least, 1 fid detector, and the gas that hot trap comes enters the FID monitor, and the gas that cold-trap comes enters the TCD detecting device.
2. catalyst activity evaluating apparatus as claimed in claim 1 is characterized in that, described hydrogen, helium and carbon monoxide access first purification devices before the access pipeline.
3. catalyst activity evaluating apparatus as claimed in claim 2 is characterized in that described purification devices is made of zeolite, copper or zinc.
4. catalyst activity evaluating apparatus as claimed in claim 3 is characterized in that described purification devices back is connected to mass flow controller.
5. catalyst activity evaluating apparatus as claimed in claim 1 is characterized in that described reacting furnace is three-stage heating furnace, three sections heating regions is arranged, to guarantee that the upper, middle and lower temperature is consistent in the reacting furnace.
6. catalyst activity evaluating apparatus as claimed in claim 1 is characterized in that two equirotal reactors are arranged in the described reacting furnace.
7. catalyst activity evaluating apparatus as claimed in claim 1 is characterized in that described reacting furnace gas pipeline outsourcing one deck heating tape out.
8. catalyst activity evaluating apparatus as claimed in claim 1 is characterized in that, described gas connects a particulate filter before entering the TCD detecting device.
9. catalyst activity evaluating apparatus as claimed in claim 1 is characterized in that, described gas connects a needle-valve and a particulate filter before entering FID.
10. catalyst activity evaluating apparatus as claimed in claim 1 is characterized in that the gas that described TCD is connected with the FID monitor connects a check (non-return) valve.
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| CN2012202858494U CN202649187U (en) | 2012-06-15 | 2012-06-15 | Activity evaluation device of catalyst |
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| CN2012202858494U CN202649187U (en) | 2012-06-15 | 2012-06-15 | Activity evaluation device of catalyst |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901131A (en) * | 2014-04-10 | 2014-07-02 | 中国科学院福建物质结构研究所 | Device and method device for evaluating catalyst during preparation of oxalate through three-channel automatic CO gas phase oxidative coupling |
| CN107478764A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | Hydrocarbon steam conversion catalyst activity rating device and its test method and application |
| CN108426975A (en) * | 2018-05-15 | 2018-08-21 | 东莞诺维新材料科技有限公司 | A kind of catalyst activity evaluating apparatus |
| CN110361499A (en) * | 2018-04-09 | 2019-10-22 | 国家能源投资集团有限责任公司 | The method of iron-base fischer-tropsch synthesis catalyst activity rating |
| CN112748208A (en) * | 2020-12-29 | 2021-05-04 | 华中科技大学 | Online detection device for methanol cracking |
-
2012
- 2012-06-15 CN CN2012202858494U patent/CN202649187U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901131A (en) * | 2014-04-10 | 2014-07-02 | 中国科学院福建物质结构研究所 | Device and method device for evaluating catalyst during preparation of oxalate through three-channel automatic CO gas phase oxidative coupling |
| CN103901131B (en) * | 2014-04-10 | 2015-04-15 | 中国科学院福建物质结构研究所 | Device and method device for evaluating catalyst during preparation of oxalate through three-channel automatic CO gas phase oxidative coupling |
| CN107478764A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | Hydrocarbon steam conversion catalyst activity rating device and its test method and application |
| CN107478764B (en) * | 2016-06-07 | 2020-09-08 | 中国石油化工股份有限公司 | Hydrocarbon steam conversion catalyst activity evaluation device and test method and application thereof |
| CN110361499A (en) * | 2018-04-09 | 2019-10-22 | 国家能源投资集团有限责任公司 | The method of iron-base fischer-tropsch synthesis catalyst activity rating |
| CN108426975A (en) * | 2018-05-15 | 2018-08-21 | 东莞诺维新材料科技有限公司 | A kind of catalyst activity evaluating apparatus |
| CN108426975B (en) * | 2018-05-15 | 2023-12-26 | 东莞诺维新材料科技有限公司 | Catalyst activity evaluation device |
| CN112748208A (en) * | 2020-12-29 | 2021-05-04 | 华中科技大学 | Online detection device for methanol cracking |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150615 |
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| EXPY | Termination of patent right or utility model |