CN202490607U - Multi-sample parallel catalyst hydrothermal aging device - Google Patents
Multi-sample parallel catalyst hydrothermal aging device Download PDFInfo
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- CN202490607U CN202490607U CN2012200476230U CN201220047623U CN202490607U CN 202490607 U CN202490607 U CN 202490607U CN 2012200476230 U CN2012200476230 U CN 2012200476230U CN 201220047623 U CN201220047623 U CN 201220047623U CN 202490607 U CN202490607 U CN 202490607U
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- hydrothermal aging
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Abstract
The utility model provides a multi-sample parallel catalyst hydrothermal aging device which is characterized by comprising a sand bath heating system Hydrothermal aging reactors are peripherally and uniformly arranged in a sand bath furnace of the sand bath heating system, settling sections of the hydrothermal aging reactors are exposed out of the sand bath furnace, fluidization sections of the hydrothermal aging reactors are soaked in quartz sands of the sand bath furnace, fluidizing agent and gas are respectively transported to each hydrothermal aging reactor by an independent water feed pump and a gas flow controller, all hydrothermal aging reactors ascend or descend through a reactor elevating mechanism, waste gas outlets on the settling sections of the hydrothermal aging reactors are all connected with a tail gas cooler, and the tail gas cooler is connected with a gas-liquid separation tank. The multi-sample paralleling catalyst hydrothermal aging device can achieve multi-reactor parallel operation under the consistent aging conditions, is fine in repeatability and stability, and can be widely applied to hydrothermal treatment experiments of catalysts.
Description
Technical field
The utility model relates to the parallel catalyst hydrothermal aging of a kind of various article device, is used for a plurality of samples in laboratory and carries out hydrothermal treatment consists simultaneously.
Background technology
Activity of such catalysts is along with long running in the commercial plant, and catalyst activity can dynamically be stabilized in the fixing field of activity.And fresh catalyst is not owing to experience the process of inactivation, and initial activity is very high and unstable, and is not representative, like catalytic cracking catalyst.If the fresh catalyst chamber of experimentizing is estimated; Just need the artificially activity of such catalysts to be reduced to the field of activity of industrial equilibrium catalyst; But catalyst is a process slowly at the inactivation of commercial plant; And laboratory research needs apace catalyst activity to be reduced, and adopts usually under the height exacting terms catalyst is carried out hydrothermal treatment consists.Promptly under 700-800 ℃ (or higher temperature) with steam with catalyst fluidization, make catalyst under the condition of higher temperature and steam, structural breakdown, pore volume reduces; Degree of crystallinity reduces, and the pore passage structure of molecular sieve changes, and reduce in specific area and activated centre; And then the initial activity of reduction catalyst, scuff resistance, the stability of raising catalyst alleviate aromatization activity; Improve the selectivity of target product, reduce carbon distribution, increase the service life.
In order to improve Preparation of catalysts and assess effectiveness, particularly under identical condition, the synthetic catalyst of different schemes is estimated, usually need catalyst burin-in process under identical condition.At present existing patent discloses various article hydrothermal aging device; A kind of various article rotation aging equipment is disclosed like patent CN101424601A; Be provided with a plurality of specimen cups, catalyst of each specimen cup filling adopts the mechanical rotation mode; Let each specimen cup around central shaft Rotating with Uniform in heating furnace, each specimen cup and catalyst wherein are heated evenly.Patent CN201644103U discloses the various article hydrothermal aging of a kind of catalytic cracking catalyst device; The many aging pipes that catalyst is housed are installed in the fluidisation heating furnace; Through the steam rates of the aging pipe of each root of accurate control, reach temperature, the consistent effect of steam flow.Need perfect place but two parts of patents all have, the former receives the influence of stacking state of the accuracy of manufacture and each specimen cup inner catalyst of specimen cup, and the amount of the water vapour through each sample can't accurately be controlled; The all samples cup might cause the mutual pollution of catalyst through an axle rotation; And there was a mechanical failure easily for rotating mechanism.Though the latter has avoided the mechanical rotation structure, solved the problem among the former, the fluidized solid dust in the heating furnace, catalyst dust seal in easily in the aging pipe and pollute catalyst; A large amount of fluidisation furnace gases and water vapour are carried dust secretly and are caused the escape pipe plugged filter easily, the pressure that influence is aging; Water vapour gets into the distribution that the position of pipe in aging pipe might influence steam, causes the mobile state of catalyst inconsistent, influence repeatability; Need be equipped with steam generator for the aging pipe of each root; All aging pipes are immersed in the fluidisation stove inconvenient catalyst fast cooling.
Summary of the invention
The purpose of the utility model provides a kind of device that can carry out effective hydrothermal treatment consists to a plurality of samples in laboratory simultaneously.
In order to achieve the above object; The technical scheme of the utility model has provided the parallel catalyst hydrothermal aging of a kind of various article device; It is characterized in that: comprise the sand-bath heating system; Hydrothermal aging reactor circumference is evenly arranged in the sand-bath stove of sand-bath heating system, and the settling section of hydrothermal aging reactor exposes the sand-bath stove, and its fluidisation section is immersed in the quartz sand of sand-bath stove; Each hydrothermal aging reactor is respectively by independently water feed pump and gas flow controller are carried fluidizing agent and gas; All hydrothermal aging reactors rise or descend through the reactor elevating mechanism, and the waste gas outlet of the settling section of hydrothermal aging reactor all connects exhaust gas cooler, and exhaust gas cooler connects knockout drum.
Preferably; Said sand-bath heating system comprises sand-bath stove and fluidization air heating system; One end in hot air delivery pipe road connects the fluidization air heating system; The other end stretches into the bottom of sand-bath stove and connects gas distributor, and gas distributor is positioned at the quartz sand of sand-bath stove and is positioned at the below of said sand-bath heating system fluidisation section.
Preferably, said sand-bath stove comprises shell, and zone of heating is located in the shell; Between shell and zone of heating, be provided with heat-insulation layer; Inner drum is wrapped up by zone of heating, and quartz sand is located in the inner drum, and an end opening of fluidizing gas escape pipe passes the top that shell, heat-insulation layer and zone of heating are positioned at the inner drum inwall; Other end opening is positioned at outside the shell; Top at shell, heat-insulation layer, zone of heating and inner drum is provided with loam cake, and said hydrothermal aging reactor is fixed on and covers, and said reactor elevating mechanism links to each other with loam cake.
Preferably, said reactor elevating mechanism comprises power transmission shaft, and an end of power transmission shaft connects said loam cake, other end connection gear engaging mechanism, and gear engagement mechanism connects the output shaft of motor.
Preferably, thermocouple is located in the said sand-bath stove through the thermocouple protection tube.
Preferably, on said hydrothermal aging reactor and pipeline that said water feed pump and said gas flow controller are connected, be provided with first flexible pipe, on said hydrothermal aging reactor and pipeline that said exhaust gas cooler is connected, be provided with second flexible pipe.
Preferably; Outside the fluidisation section of said hydrothermal aging reactor, be provided with coil pipe; One end of coil pipe connects the sintered filter that is positioned at the hydrothermal aging reactor bottom; The other end connects said water feed pump and said gas flow controller, and sintered filter is installed in the charging aperture of said hydrothermal aging reactor.
The utility model provides same temperature environment through the sand-bath heating system for each reactor; Realize the uniformity of steam rates through the flow of setting each reactor water feed pump; And the water vapour of each reactor gets into from reactor bottom through the outer coil pipe vaporization of reactor is overheated again; Both saved steam generator; Guarantee the unanimity of fluidized state in each reactor again, avoided air inlet pipe to insert influence from reactor top, thereby guaranteed the collimation and the repeatability of experiment device inner fluid mechanics; It is independent to install each reactor turnover material pipe, the possibility of having avoided material to pollute each other; After experiment finished, the elevating mechanism of device can shift out heating furnace with all reactors, and the fast cooling of realization response device and catalyst, and the mechanical rotation that does not relate in the experimentation have been avoided the influence of mechanical rotation to device stability; Many reactors are operated simultaneously, have improved operating efficiency.
In sum, the utility model can be realized under the consistent operating mode of aging condition, and many reactor operation repetitives have good repeatability and stable, can be widely used in the hydrothermal treatment consists experiment of catalyst.
Description of drawings
The structural representation of the parallel catalyst hydrothermal aging of a kind of various article device that Fig. 1 provides for the utility model.
The specific embodiment
For making the utility model more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.
As shown in Figure 1, the critical component of the parallel catalyst hydrothermal aging of a kind of various article device that the utility model provides comprises: water feed pump 1, gas flow controller 2, sand-bath heating system 3, hydrothermal aging reactor 4, reactor elevating mechanism 5, exhaust gas cooler 6 and knockout drum 7.
Hydrothermal aging reactor 4 circumference are evenly arranged in the sand-bath stove of sand-bath heating system 3; The settling section of hydrothermal aging reactor 4 exposes the sand-bath stove; Its fluidisation section is immersed in the quartz sand 17 of sand-bath stove; Each hydrothermal aging reactor 4 is respectively by independently water feed pump 1 and gas flow controller 2 are carried fluidizing agent and gas; All hydrothermal aging reactors 4 rise or descend through reactor elevating mechanism 5, and the waste gas outlet of the settling section of hydrothermal aging reactor 4 all connects exhaust gas cooler 6, and exhaust gas cooler 6 connects knockout drum 7.
Water feed pump 1 provides the fluidizing agent of catalyst hydrothermal aging, and every hydrothermal aging reactor 4 is equipped with the water feed pump 1 of a platform independent, the flow of accurate measurement water inlet, the collimation of each reactor vapor flow and the precision decision of repeatability by pump.Water feed pump 1 can adopt the control device of the pump of forms such as peristaltic pump, membrane pump, plunger displacement pump, high pressure liquid phase pump as water (steam) flow; The positive displacement pump measuring accuracy is high; But outlet has pulse, can be through weakening at delivery side of pump increase counterbalance valve, pulse damper.
Gas flow controller 2 is used for controlling the flow of dilution/purge gas, and every reactor is equipped with a gas flow controller 2.For the hydrothermal aging reaction of carrying out under the normal pressure, and the operating mode not high to the diluting gas flow required precision, can adopt suspended body flowmeter to come the adjustments of gas flow.
Sand-bath heating system 3 is Design and Machining voluntarily, also can adopt approved product transformation on the market.In the present embodiment, sand-bath heating system 3 mainly is made up of shell 10, heat-insulation layer 11, zone of heating 12, inner drum 13, fluidization air heating system 14, hot air delivery pipe road 15, gas distributor 16, quartz sand 17, thermocouple protection tube 18, loam cake 19 and fluidizing gas escape pipe 20.
One end in hot air delivery pipe road 15 connects fluidization air heating system 14, and the other end stretches into the bottom of sand-bath stove and connects gas distributor 16, and gas distributor 16 is positioned at the quartz sand 17 of sand-bath stove and is positioned at the below of sand-bath heating system 3 fluidisation sections.
Wherein, the sand-bath stove comprises shell 10, and zone of heating 12 is located in the shell 10; Between shell 10 and zone of heating 12, be provided with heat-insulation layer 11; Inner drum 13 is by zone of heating 12 parcels, and quartz sand 17 is located in the inner drum 13, and an end opening of fluidizing gas escape pipe 20 passes the top that shell 10, heat-insulation layer 11 and zone of heating 12 are positioned at inner drum 13 inwalls; Other end opening is positioned at outside the shell 10; Top at shell 10, heat-insulation layer 11, zone of heating 12 and inner drum 13 is provided with loam cake 19, and hydrothermal aging reactor 4 is fixed on the loam cake 19, and reactor elevating mechanism 5 links to each other with loam cake 19.
Sand-bath heating system 3 provides with a kind of temperature environment for many hydrothermal aging reactors 4, guarantees the temperature homogeneity between reactor.Fluidization air heating system 14 is with air heat; And send in the sand-bath stove through hot air delivery pipe road 15; Through gas distributor 16 hot-air is disperseed, the quartz sand 17 in the stove is in fluidized state under the agitating of air, keep the temperature homogeneity in the furnace chamber again.The top of inner drum 13 is provided with changeover portion and settling section, because sectional area increases, gas flow rate reduces, and quartz sand 17 separates to sink, and hot-air is discharged (carrying out the dedusting discharging in case of necessity) through blast pipe 20.Hydrothermal aging reactor 4 circumference are uniformly arranged and fixed on the loam cake 19 of sand-bath stove, and loam cake 19 is fitted closely with staving, reduces hot-air as far as possible and from the slit, leaks.
Reactor elevating mechanism 5 is made up of motor 24, gear engagement mechanism 25 and power transmission shaft 23.Power transmission shaft 23 vertically is fixed on the center of sand-bath stove top case; There is gear the top of power transmission shaft 23; Through gear engagement mechanism 25 rotation of motor 24 is converted into moving up and down of power transmission shaft 23; Realize moving up and down of sand-bath stove top case 19, and then drive all hydrothermal aging reactors 4 and move up and down.Because the thermal capacitance of sand-bath is big, when experiment finishes, when needing fast reactor to be cooled off, by the way all hydrothermal aging reactors 4 are shifted out the sand-bath stove.In order to guarantee to move up and down the smooth and easy of operation, on each reactor content inlet duct, be provided with first flexible pipe 8, on the reactor outlet waste gas header, be provided with second flexible pipe 26.
The fluidisation section of hydrothermal aging reactor 4 is equipped with catalyst, is immersed in the sand-bath stove, and gas and steam get into from reactor bottom.Get into the material pipeline for fear of catalyst, be provided with sintered filter 22 at hydrothermal aging reactor 4 bottom feed mouths.Water is superheated to aging temperature through 4 outside coil pipe 21 vaporizations of hydrothermal aging reactor; Be distributed in the hydrothermal aging reactor 4 through filter 22, under the effect of steam, catalyst is in fluidized state; Be brought into the catalyst of settling section by steam; Because of flow velocity reduces, settle down, reach dynamic balance state.The steam of each hydrothermal aging reactor 4 gathers the back and gets into exhaust gas cooler 6.In order to guarantee steam not condensation in reactor, the pipeline before the settling section of reactor and the exhaust gas cooler all will be incubated more than 100 ℃.Catalyst is taken out sand-bath stove with reactor from the loading and unloading suitable for reading of reactor during operation.The number of reactor depends on the size of reactor and sand-bath stove, can be designed to 2-8.
The reactor tail gas discharged drops to room temperature through exhaust gas cooler 6, and the water vapour condensation is separated out, in knockout drum 7, separate, and the waste gas high altitude discharge, waste water can pass through tank level control system continuous blow-down, also can directly be collected in the jar.
Claims (7)
1. the parallel catalyst hydrothermal aging of various article device; It is characterized in that: comprise sand-bath heating system (3); Hydrothermal aging reactor (4) circumference is evenly arranged in the sand-bath stove of sand-bath heating system (3); The settling section of hydrothermal aging reactor (4) exposes the sand-bath stove; Its fluidisation section is immersed in the quartz sand (17) of sand-bath stove, and each hydrothermal aging reactor (4) is carried fluidizing agent and gas by independently water feed pump (1) and gas flow controller (2) respectively, and all hydrothermal aging reactors (4) rise or descend through reactor elevating mechanism (5); The waste gas outlet of the settling section of hydrothermal aging reactor (4) all connects exhaust gas cooler (6), and exhaust gas cooler (6) connects knockout drum (7).
2. the parallel catalyst hydrothermal aging of a kind of various article as claimed in claim 1 device; It is characterized in that: said sand-bath heating system (3) comprises sand-bath stove and fluidization air heating system (14); One end in hot air delivery pipe road (15) connects fluidization air heating system (14); The other end stretches into the bottom of sand-bath stove and connects gas distributor (16), and gas distributor (16) is positioned at the quartz sand (17) of sand-bath stove and is positioned at the below of said sand-bath heating system (3) fluidisation section.
3. the parallel catalyst hydrothermal aging of a kind of various article as claimed in claim 2 device; It is characterized in that: said sand-bath stove comprises shell (10); Zone of heating (12) is located in the shell (10), between shell (10) and zone of heating (12), is provided with heat-insulation layer (11), and inner drum (13) is wrapped up by zone of heating (12); Quartz sand (17) is located in the inner drum (13); One end opening of fluidizing gas escape pipe (20) passes the top that shell (10), heat-insulation layer (11) and zone of heating (12) are positioned at inner drum (13) inwall, and other end opening is positioned at outside the shell (10), is provided with loam cake (19) at the top of shell (10), heat-insulation layer (11), zone of heating (12) and inner drum (13); Said hydrothermal aging reactor (4) is fixed on the loam cake (19), and said reactor elevating mechanism (5) links to each other with loam cake (19).
4. the parallel catalyst hydrothermal aging of a kind of various article as claimed in claim 3 device; It is characterized in that: said reactor elevating mechanism (5) comprises power transmission shaft (23); One end of power transmission shaft (23) connects said loam cake (19); Other end connection gear engaging mechanism (25), gear engagement mechanism (25) connects the output shaft of motor (24).
5. the parallel catalyst hydrothermal aging of a kind of various article as claimed in claim 1 device, it is characterized in that: thermocouple is located in the said sand-bath stove through thermocouple protection tube (18).
6. the parallel catalyst hydrothermal aging of a kind of various article as claimed in claim 1 device; It is characterized in that: on said hydrothermal aging reactor (4) and pipeline that said water feed pump (1) and said gas flow controller (2) are connected, be provided with first flexible pipe (8), on said hydrothermal aging reactor (4) and pipeline that said exhaust gas cooler (6) is connected, be provided with second flexible pipe (26).
7. the parallel catalyst hydrothermal aging of a kind of various article as claimed in claim 1 device; It is characterized in that: outside the fluidisation section of said hydrothermal aging reactor (4), be provided with coil pipe (21); One end of coil pipe (21) connects the sintered filter (22) that is positioned at hydrothermal aging reactor (4) bottom; The other end connects said water feed pump (1) and said gas flow controller (2), and sintered filter (22) is installed in the charging aperture of said hydrothermal aging reactor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200476230U CN202490607U (en) | 2012-02-14 | 2012-02-14 | Multi-sample parallel catalyst hydrothermal aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200476230U CN202490607U (en) | 2012-02-14 | 2012-02-14 | Multi-sample parallel catalyst hydrothermal aging device |
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| Publication Number | Publication Date |
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| CN202490607U true CN202490607U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012200476230U Withdrawn - After Issue CN202490607U (en) | 2012-02-14 | 2012-02-14 | Multi-sample parallel catalyst hydrothermal aging device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527446A (en) * | 2012-02-14 | 2012-07-04 | 迈瑞尔实验设备（上海）有限公司 | Hydrothermal ageing device for multi-sample parallel catalyst |
| CN109319994A (en) * | 2018-09-20 | 2019-02-12 | 中国人民解放军第二军医大学第二附属医院 | A kind of crystallization water recovery device for extreme water shortage environment |
| CN109330053A (en) * | 2018-09-20 | 2019-02-15 | 中国人民解放军第二军医大学第二附属医院 | A kind of extreme environment, which catchments, uses water installations |
-
2012
- 2012-02-14 CN CN2012200476230U patent/CN202490607U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527446A (en) * | 2012-02-14 | 2012-07-04 | 迈瑞尔实验设备（上海）有限公司 | Hydrothermal ageing device for multi-sample parallel catalyst |
| CN109319994A (en) * | 2018-09-20 | 2019-02-12 | 中国人民解放军第二军医大学第二附属医院 | A kind of crystallization water recovery device for extreme water shortage environment |
| CN109330053A (en) * | 2018-09-20 | 2019-02-15 | 中国人民解放军第二军医大学第二附属医院 | A kind of extreme environment, which catchments, uses water installations |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20130918 |
|
| RGAV | Abandon patent right to avoid regrant |