CN203196644U - Catalytic cracking catalyst hydrothermal aging device - Google Patents
Catalytic cracking catalyst hydrothermal aging device Download PDFInfo
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- CN203196644U CN203196644U CN 201320139452 CN201320139452U CN203196644U CN 203196644 U CN203196644 U CN 203196644U CN 201320139452 CN201320139452 CN 201320139452 CN 201320139452 U CN201320139452 U CN 201320139452U CN 203196644 U CN203196644 U CN 203196644U
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- reactor
- heating furnace
- catalytic cracking
- blind flange
- hydrothermal aging
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Abstract
The utility model provides a catalytic cracking catalyst hydrothermal aging device. The catalytic cracking catalyst hydrothermal aging device is characterized in that a reactor 2 is located inside a heating furnace 3, the reactor 2 is heated by the heating furnace 3, the reactor is totally dipped in the heating furnace, the upper end of the reactor is connected with a flange cover 5 while the lower end of the reactor is provided with a water vapor inlet 8, the flange cover 5 is in threaded connection with the upper end of the reactor 2, the flange cover can be wholly detached, after the flange cover is detached, the upper end of the reactor 2 is provided with a reagent loading port/reagent discharging port, the flange cover 5 is in a shape of a circular ring, a ceramic filter 6 is mounted on the flange cover 5 in a manner of being inserted, and the center of the ceramic filter 6 is provided with a circular hole for placing a thermocouple 7. The catalytic cracking catalyst hydrothermal aging device is reasonable, simple and convenient in structure design, and convenient to operate and maintain, and can be widely used in the hydrothermal treatment process of a catalyst.
Description
Technical field
The utility model relates to a kind of experimental rig, relates in particular to the hydrothermal aging device for catalytic cracking catalyst.
Background technology
Catalytic cracking is important oil secondary processing process, is the effective means of heavy oil lighting, and in the evolution of catalytic cracking technology, very important effect is played in the development of catalyst.In the production or R﹠D process of catalytic cracking catalyst, need its performance is estimated, yet the activity of fresh catalytic cracking catalyst is very high and unstable, its numerical value is not representative, therefore, often needs catalyst is carried out burin-in process.A kind of very important preprocess method when heat treatment or hydrothermal treatment consists are evaluate catalysts, the most conventional annealing device is Muffle furnace, but temperature is very slowly to the aging effect of catalyst.When laboratory evaluation and exploitation catalyst, often adopt exacting terms to simulate activity of such catalysts decay in the industrial process.Generally, adopt 800 ℃ steam that catalyst is carried out the hydrothermal aging processing, only needed 4-17 hour just can reach equilibrium activity.The hydrothermal aging process of catalytic cracking catalyst is the preprocessing process that must carry out when estimating fresh catalyst, and the required condition of this process is the atmosphere of high temperature and steam.In order to carry out the hydrothermal aging of catalyst, existingly in catalytic cracking catalyst research and development field carry out this pretreated device, required catalyst amounts does not wait to tens of kilograms from several grams, so the scale for the treatment of apparatus is also different.
CN202527185U has announced a kind of hydrothermal aging device, this device adopts fixed fluidized-bed reactor, be divided into settling section, fluidisation section and pre lift zone from top to bottom, side at settling section is horizontally disposed with filter, and the outside of reactor is provided with cooling tank, and these measures have reduced the corrosion of acid condensate water to equipment, but owing to be horizontally disposed with steam outlet, be unfavorable for the timely eliminating of gas, cause reactor pressure to increase easily, cause the instability of hydrothermal aging data.
A kind of Hanging Basket formula of having announced CN87212197U hydrothermal aging device that wears out, this device can significantly improve assess effectiveness, reduce the energy energy consumption, but the catalyst of this device is with the arranged in series Hanging Basket, the catalyst sample hydrothermal aging severity difference that has levels, and its catalyst is static is flow regime not, and water vapour is at the catalyst bed laminar surface and innerly distribute extremely inhomogeneously, is having a strong impact on the hydrothermal aging effect of catalyst.
CN101424601A has announced a kind of to the high-temperature sample rotating and roasting device, this device select for use the band centre rotational axis roaster, sample be placed on rotating shaft around, each specimen cup is around central shaft Rotating with Uniform in heating furnace, sample is heated evenly.But this device catalyst is flow regime not, and be subjected to the influence of the factors such as stacking state of rotating shaft vibrations and catalyst, water vapour is difficult to enter beds inside, water vapour by each sample can't accurately be controlled, cause catalytic cracking catalyst bed behind the hydrothermal aging inner and surface-active is inhomogeneous, especially the catalyst behind the hydrothermal aging can not reflect the truth of catalyst when a large amount of catalyst of processing.
CN201644103U has announced the various product hydrothermal aging of a kind of catalytic cracking catalyst device, this hydrothermal aging device is installed in many aging pipes in the heating furnace, blind flange is provided with filter and delivery line 2-4 group, reaches the effect of temperature, steam flow unanimity.But water vapour enters the distribution that the position of pipe in aging pipe might influence steam, causes the mobile state of catalyst inconsistent, influence repeatability.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of device for the catalytic cracking catalyst hydrothermal aging.
The utility model for the technical scheme that solves its technical problem and adopt is:
This device comprises: reactor 2, heating furnace 3, coil pipe 4, blind flange 5, ceramic filter 6, electroheat pair 7, steam entry 8, pump 1, reactor 2 is positioned at the inside of heating furnace 3, reactor 2 is by heating furnace 3 heating, reactor 2 all immerses in the heating furnace, the upper end of reactor is connected with blind flange 5, the lower end is provided with steam entry 8
Device described in the utility model, the reactor 2 outside coil pipes 4 that twine, an end of coil pipe 4 connects pump 1, and pump 1 is delivered to coil pipe 4 with water, and the heat when utilizing heating furnace 3 reactor heatings 2 makes aqueous vapor turn to water vapour, and the water vapour of generation is entered the bottom of reactor 2 by steam entry 8.After water vapour enters reactor 2 bottoms by steam entry 8, make the catalyst in the reactor 2 be in fluidized state, guarantee effective, the even contact of water vapour and catalyst on the one hand, guarantee that on the other hand reactor 2 interior temperature distribution are even.
Device described in the utility model, blind flange 5 is connected threadably with reactor 2 upper ends, but the blind flange integral demounting, and dismounting post-reactor 2 upper ends are dress agent mouth/unload agent mouth, blind flange 5 is toroidal, and ceramic filter 6 is installed on the blind flange 5 with inserted mode.
Device described in the utility model, ceramic filter 6 centers have a circular hole in order to place electroheat pair 7.
Compared with prior art, device described in the utility model places the top of reactor with ceramic filter, has avoided water vapour among the CN202527185U to be difficult for discharging and the reactor pressure rising problem that causes; Device described in the utility model uses water vapour as fluidizing agent, makes catalyst carry out hydrothermal aging under fluidized state, has avoided aging effect authenticity and the relatively poor problem of repeatability among CN101424601A and the CN201644103U.
In addition, device described in the utility model also has following characteristics: reactor all immerses in the heating furnace, has avoided water vapour to be condensed into water in reactor, has reached the etching apparatus problem that therefore causes; Ceramic filter is installed on the blind flange with inserted mode, when the filter generation is stopped up, only needs that it is extracted cleaning and gets final product, and when having solved the generation obstruction of conventional art exit, needs the dismounting reactor, and plant maintenance is convenient, and expense is low, the efficient height; The water vapour that feeds does not need independent water vapour producer is set with reactor outer coils heating and gasifying, has both simplified device, has effectively utilized the energy again.
In sum, the utility model, reasonable in design is easy, is convenient to operation, maintains easily, and can be widely used in the hydrothermal treatment consists process of catalyst.
Description of drawings
Fig. 1 is the hydrothermal aging device for catalytic cracking catalyst described in the utility model.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail.
Among the figure, reactor 2 is positioned at the inside of heating furnace 3, reactor 2 is by heating furnace 3 heating, reactor 2 all immerses in the heating furnace, the upper end of reactor is connected with blind flange 5, the lower end is provided with steam entry 8, the reactor 2 outside coil pipes 4 that twine, an end of coil pipe 4 connects pump 1, and the other end connects steam entry 8, blind flange 5 is connected threadably with reactor 2 upper ends, but the blind flange integral demounting, dismounting post-reactor 2 upper ends are dress agent mouth/unload the agent mouth, blind flange 5 is toroidal, ceramic filter 6 is installed on the blind flange 5 with inserted mode, and there is a circular hole at ceramic filter 6 centers in order to place electroheat pair 7.
Embodiment, catalyst are packed into by reactor 2 upper ends in the reactor, mounting flange lid 5 after the dress agent, and at blind flange insertion ceramic filter 6, electroheat pair 7 is inserted in the reactor by the filter center circular hole, is used for measuring aging temperature, reactor all immerses in the heating furnace 3, is heated by heating furnace; Begin during hydrothermal aging to wear out when temperature reaches design temperature, feed water vapour from steam entry 8, water vapour is carried by pump 1, and through coil pipe 4 vaporizations, under vapor action, catalyst is in fluidized state, and steam is through ceramic filter emptying.Finish aging after, stop to feed water vapour, stop heating, after the question response actuator temperature is down to room temperature, open blind flange 5, take out the catalyst behind the hydrothermal aging, the hydrothermal aging process finishes.
Claims (4)
1. catalytic cracking catalyst hydrothermal aging device, it is characterized in that this device comprises: reactor 2, heating furnace 3, coil pipe 4, blind flange 5, ceramic filter 6, electroheat pair 7, steam entry 8, pump 1, reactor 2 is positioned at the inside of heating furnace 3, reactor 2 is by heating furnace 3 heating, reactor all immerses in the heating furnace, the upper end of reactor is connected with blind flange 5, and the lower end is provided with steam entry 8.
2. device according to claim 1 is characterized in that the described reactor 2 outside coil pipes 4 that twine, and an end of coil pipe 4 connects pump 1, and the other end connects steam entry 8.
3. device according to claim 1, it is characterized in that described blind flange 5 is connected threadably with hydrothermal reactor 2 upper ends, but blind flange integral demounting, hydrothermal reactor 2 upper ends, dismounting back are dress agent mouth/unload agent mouth, blind flange 5 is toroidal, and ceramic filter 6 is installed on the blind flange 5 with inserted mode.
4. according to the described device of claim 3, it is characterized in that there is a circular hole at described ceramic filter 6 centers in order to place electroheat pair 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139452 CN203196644U (en) | 2013-03-17 | 2013-03-17 | Catalytic cracking catalyst hydrothermal aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320139452 CN203196644U (en) | 2013-03-17 | 2013-03-17 | Catalytic cracking catalyst hydrothermal aging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203196644U true CN203196644U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320139452 Expired - Lifetime CN203196644U (en) | 2013-03-17 | 2013-03-17 | Catalytic cracking catalyst hydrothermal aging device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203196644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575859A (en) * | 2013-10-14 | 2014-02-12 | 青岛惠城石化科技有限公司 | Method for rapidly representing activity of catalytic cracking catalyst |
-
2013
- 2013-03-17 CN CN 201320139452 patent/CN203196644U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575859A (en) * | 2013-10-14 | 2014-02-12 | 青岛惠城石化科技有限公司 | Method for rapidly representing activity of catalytic cracking catalyst |
| CN103575859B (en) * | 2013-10-14 | 2015-04-29 | 青岛惠城石化科技有限公司 | Method for rapidly representing activity of catalytic cracking catalyst |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266500 Qingdao economic and Technological Development Zone, Huaihe, East Road, No. 57, No. Patentee after: QINGDAO HUI CHENG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 266500 Qingdao economic and Technological Development Zone, Huaihe, East Road, No. 57, No. Patentee before: QINGDAO HUICHENG PETROCHEMICAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.57, Huaihe East Road, Qingdao Economic and Technological Development Zone, Shandong Province 266500 Patentee after: Qingdao Huicheng Environmental Protection Technology Group Co.,Ltd. Address before: No.57, Huaihe East Road, Qingdao Economic and Technological Development Zone, Shandong Province 266500 Patentee before: QINGDAO HUI CHENG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |