CN203065407U - Sedimentation and regeneration dual-purpose device with catalyst cooling device - Google Patents
Sedimentation and regeneration dual-purpose device with catalyst cooling device Download PDFInfo
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- CN203065407U CN203065407U CN 201320070280 CN201320070280U CN203065407U CN 203065407 U CN203065407 U CN 203065407U CN 201320070280 CN201320070280 CN 201320070280 CN 201320070280 U CN201320070280 U CN 201320070280U CN 203065407 U CN203065407 U CN 203065407U
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- catalyst
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model discloses a sedimentation and regeneration dual-purpose device with a catalyst cooling device. The sedimentation and regeneration dual-purpose device comprises a vertical precipitator, wherein an outlet at the bottom of the precipitator is communicated with a vertical regenerator, the vertical regenerator is divided into an upper generator and a lower generator which are arranged upper and down, the diameter of the upper generator is greater than that of the lower generator, a catalyst outlet is formed in the upper part of the lower generator and is provided with a downward inclined catalyst conveying pipe, an outlet of the catalyst conveying pipe is communicated with a catalyst precooler, the bottom of the catalyst precooler is communicated with the bottom of a raising pipe through a downward inclined regeneration inclined pipe, and the top of the raising pipe is communicated with an inlet of the precipitator. The sedimentation and regeneration dual-purpose device has the advantages of being capable of reducing the initial temperature of a catalyst, improving the coking effect of the catalyst and increasing the ratio of catalyst to oil.
Description
Technical field
The utility model relates to the pre-falling temperature technique of catalyzer field, relates in particular to a kind of sedimentation with the cooling catalyst device two devices of regenerating.
Background technology
Catalytic cracking operation in petrochemical complex is produced, the agent-oil ratio of reaction (participating in the mass ratio of catalyst for reaction and reaction feed oil) is an important parameter that is related to reaction conversion ratio and reaction preference.Bigger and rational agent-oil ratio means the raising of catalyzer average activity in the entire reaction course, if can the rising agent oil ratio, then means the raising of reaction conversion ratio, has just improved product yield, is conducive to economic benefit of enterprises.The temperature head that catalyzer participates in before and after the reaction determines agent-oil ratio, because the reaction terminating temperature is limited by production technique and can not arbitrarily changes, the initial temperature that therefore reduces catalyzer seems particularly important, is the effective means of rising agent oil ratio.
The utility model content
Technical problem to be solved in the utility model is: the sedimentation that at the deficiency that prior art exists, provide a kind of initial temperature that reduces catalyzer, improves the band cooling catalyst device of catalyst coking effect, rising agent oil ratio two devices of regenerating.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The sedimentation of band cooling catalyst device two devices of regenerating, the settling vessel that comprises vertical setting, described settling vessel outlet at bottom is communicated with the revivifier of vertical setting, described revivifier is divided into top revivifier and the bottom revivifier of upper and lower settings, the diameter of described top revivifier is greater than the diameter of described bottom revivifier, top at described bottom revivifier is provided with catalyst outlet, described catalyst outlet is provided with downward-sloping catalyst transport, the outlet of described catalyst transport is communicated with the catalyzer pre-cooler, the bottom of described catalyzer pre-cooler is communicated with the bottom of riser tube by downward-sloping regenerator sloped tube, and the top of described riser tube is communicated with described settling vessel import.
As a kind of scheme, described settling vessel comprises 6 equally distributed cyclone separators of level, and the import of described 6 cyclone separators is communicated with the top of described riser tube respectively.
As a kind of scheme, described bottom revivifier is the cylindrical shell of 9 meters of diameters, 10 meters of height, and described catalyst outlet is located at revivifier cylinder lateral wall height 6-7 rice, described bottom.
As a kind of scheme, be provided with a plurality of tubulations that feed cold water in the described catalyzer pre-cooler.
As a kind of preferred scheme, be respectively equipped with cooling water outlet and cooling water inlet on the sidewall of described catalyzer pre-cooler upper and lower, described cooling water outlet and cooling water inlet all are communicated with described tubulation.
As a kind of preferred scheme, described catalyzer pre-cooler is the shell and tube heat exchanger that vertically arranges.
Owing to adopted technique scheme, the beneficial effects of the utility model are:
Revivifier cylinder lateral wall height 6-7 rice, bottom of the present utility model is provided with catalyst outlet, described catalyst outlet is provided with downward-sloping catalyst transport, the outlet of described catalyst transport is communicated with the catalyzer pre-cooler, catalyst outlet is on the top of bottom revivifier cylinder lateral wall like this, when coming out, catalyzer removes the air better effects if, the bubble that contains reduces, and impellent is better like this.Catalyzer temperature in the catalyzer pre-cooler is reduced to about 690 ℃ by about 700 ℃, has namely guaranteed the effect of burning of catalyzer, has increased the agent-oil ratio of reactor again, thereby has improved product yield.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Among the figure: 1. settling vessel, 11. cyclone separators, 2. revivifier, 21. top revivifiers, 22. bottom revivifiers, 3. catalyst transport, 4. catalyzer pre-cooler, 5. regenerator sloped tube, 6. riser tube, 61. transverse tubes.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1, the sedimentation of band cooling catalyst device two devices of regenerating, the settling vessel 1 that comprises vertical setting, settling vessel 1 outlet at bottom is provided with the revivifier 2 of vertical setting, revivifier 2 is divided into top revivifier 21 and the bottom revivifier 22 of upper and lower settings, the diameter of top revivifier 21 is greater than the diameter of bottom revivifier 22, bottom revivifier 22 is 9 meters of diameters, the cylindrical shell that height is 10 meters, revivifier 22 cylinder lateral wall height 6-7 rice in bottom are provided with catalyst outlet, catalyst outlet is provided with downward-sloping catalyst transport 3, the outlet of catalyst transport 3 is communicated with catalyzer pre-cooler 4, be provided with a plurality of tubulations that feed cold water in the catalyzer pre-cooler 4, the bottom of catalyzer pre-cooler 4 is communicated with the bottom of riser tube 6 by downward-sloping regenerator sloped tube 5, and the top of riser tube 6 is communicated with settling vessel 1 sidewall by transverse tube 61.
Settling vessel 1 comprises 6 equally distributed cyclone separators 11 of level.Riser tube 6 vertically arranges.
Be respectively equipped with cooling water outlet and cooling water inlet on the sidewall of catalyzer pre-cooler 4 upper and lowers, cooling water outlet and cooling water inlet all are communicated with tubulation.
Catalyzer pre-cooler 4 is the shell and tube heat exchanger that vertically arranges.
During the utility model work, catalyzer enters catalyzer pre-cooler 4 from catalyst outlet through catalyst transport 3, and catalyzer by about 10 ℃ of cold water coolings, has improved agent-oil ratio in catalyzer pre-cooler 4 inside like this, is conducive to improve product yield.
Claims (6)
1. the sedimentation of band cooling catalyst device two devices of regenerating, the settling vessel that comprises vertical setting, described settling vessel outlet at bottom is communicated with the revivifier of vertical setting, described revivifier is divided into top revivifier and the bottom revivifier of upper and lower settings, the diameter of described top revivifier is greater than the diameter of described bottom revivifier, it is characterized in that: the top at described bottom revivifier is provided with catalyst outlet, described catalyst outlet is provided with downward-sloping catalyst transport, the outlet of described catalyst transport is communicated with the catalyzer pre-cooler, the bottom of described catalyzer pre-cooler is communicated with the bottom of riser tube by downward-sloping regenerator sloped tube, and the top of described riser tube is communicated with described settling vessel import.
2. the sedimentation of band cooling catalyst device as claimed in claim 1 two devices of regenerating, it is characterized in that: described settling vessel comprises 6 equally distributed cyclone separators of level, and the import of described 6 cyclone separators is communicated with the top of described riser tube respectively.
3. the sedimentation of band cooling catalyst device as claimed in claim 1 two devices of regenerating, it is characterized in that: described bottom revivifier is the cylindrical shell of 9 meters of diameters, 10 meters of height, and described catalyst outlet is located at revivifier cylinder lateral wall height 6-7 rice, described bottom.
4. the sedimentation of band cooling catalyst device as claimed in claim 1 two devices of regenerating is characterized in that: be provided with a plurality of tubulations that feed cold water in the described catalyzer pre-cooler.
5. the sedimentation of band cooling catalyst device as claimed in claim 4 two devices of regenerating, it is characterized in that: be respectively equipped with cooling water outlet and cooling water inlet on the sidewall of described catalyzer pre-cooler upper and lower, described cooling water outlet and cooling water inlet all are communicated with described tubulation.
6. the sedimentation of band cooling catalyst device as claimed in claim 4 two devices of regenerating is characterized in that: the shell and tube heat exchanger of described catalyzer pre-cooler for vertically arranging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070280 CN203065407U (en) | 2013-02-06 | 2013-02-06 | Sedimentation and regeneration dual-purpose device with catalyst cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070280 CN203065407U (en) | 2013-02-06 | 2013-02-06 | Sedimentation and regeneration dual-purpose device with catalyst cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203065407U true CN203065407U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320070280 Expired - Lifetime CN203065407U (en) | 2013-02-06 | 2013-02-06 | Sedimentation and regeneration dual-purpose device with catalyst cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203065407U (en) |
-
2013
- 2013-02-06 CN CN 201320070280 patent/CN203065407U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
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| CX01 | Expiry of patent term |