CN103834430B - A kind of catalytic cracking feeds device - Google Patents
A kind of catalytic cracking feeds device Download PDFInfo
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- CN103834430B CN103834430B CN201310025037.5A CN201310025037A CN103834430B CN 103834430 B CN103834430 B CN 103834430B CN 201310025037 A CN201310025037 A CN 201310025037A CN 103834430 B CN103834430 B CN 103834430B
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Abstract
The invention relates to a kind of catalytic cracking feeds device, comprising: oil-feed large ring collecting tubule, admission large ring collecting tubule, large ring collecting tubule support, nozzle, primary atomization steam, secondary-atomizing steam, oil-feed take-off pipe, riser reactor: the support of described large ring collecting tubule is taken root on riser reactor; Described riser reactor pipeline is provided with the large ring collecting tubule of oil-feed, oil-feed take-off pipe, the large ring collecting tubule of admission, primary atomization steam, secondary-atomizing steam, large ring collecting tubule support; The present invention to be taken root the method for design on riser reactor by using the support of large ring collecting tubule, improves the security of pipeline and device, implement device long-term operation, cost-saving, can be the higher profit of enterprise's creation.
Description
Technical field
The invention belongs to crude oil manufacture field, relate generally in catalytic cracking unit improve yield of light oil safety, long-term operation a kind of structure.
Background technology
Catalytic cracking unit is one of important oil secondary processing technique, and be one of approach realizing heavy oil lighting, riser reactor is the leading nucleus equipment realizing this process.Catalytic cracking process is the heterogeneous quick catalysis reaction carried out under turbulence state, and can catalyzer effectively contact with stock oil, and the appropriate reaction times is the key obtaining desirable object products distribution.Its core is fcc raw material high-efficient atomizing and rapid vaporization olifiant gas.The effect of catalytic cracking unit feed nozzle is exactly be atomized by stock oil, and even oil spout in riser tube, stock oil is evaporated rapidly, thus improves the contact area of stock oil and granules of catalyst, and then improve speed of reaction.Want to achieve this end, carry out the piping design of the feed nozzle under complex environment, meet the requirement of charging, effectively obtain target product, guarantee catalytic cracking unit long period, safe handling is the key of dealing with problems.
As can be seen here, above-mentioned existing catalytic cracking unit with in use in structure, obviously still has inconvenience and defect, and is urgently further improved.Therefore how to found a kind of a kind of catalytic cracking feeds device of novel texture, also become the target that current industry pole need be improved.
Summary of the invention
The object of the invention is to, overcome the defect that existing catalytic cracking unit exists, and a kind of a kind of catalytic cracking feeds device of novel texture is provided, technical problem to be solved makes its atomizing effect improving subsequent nozzle, the stock oil of ejection can be evaporated rapidly, the contact efficiency of stock oil and granules of catalyst is improved, and speed of reaction improves.By using the support of large ring collecting tubule to take root the method for design on riser reactor, improve the security of pipeline and device, implement device long-term operation, cost-saving, create higher profit.
The object of the invention to solve the technical problems adopts following technical scheme to realize.According to a kind of catalytic cracking feeds device that the present invention proposes, comprising: oil-feed admission house steward, large ring collecting tubule support, nozzle, primary atomization steam, secondary-atomizing steam, oil-feed take-off pipe, riser reactor; Described oil-feed admission house steward includes oil-feed large ring collecting tubule (2), the large ring collecting tubule (1) of admission; The support of described large ring collecting tubule is taken root on riser reactor; Described riser reactor pipeline is provided with the large ring collecting tubule of oil-feed, oil-feed take-off pipe, the large ring collecting tubule of admission, primary atomization steam, secondary-atomizing steam, large ring collecting tubule support; And its mode of connection is: it is peripheral that oil-feed large ring collecting tubule 2 and the large ring collecting tubule 1 of admission are arranged at riser reactor 8, be placed on large ring collecting tubule support 3, primary atomization steam 6, secondary-atomizing steam 5 are connected in turn with nozzle 4, and the oil-feed take-off pipe 7 of drawing from the large ring collecting tubule 2 of oil-feed is connected with primary atomization steam 6, secondary-atomizing steam 5.
Object of the present invention and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid a kind of catalytic cracking feeds device, is characterized in that primary atomization steam, secondary-atomizing steam, oil-feed take-off pipe are six or four symmetries are uniform is arranged on described riser reactor.
Aforesaid a kind of catalytic cracking feeds device, is characterized in that multiple nozzle is six or four symmetries are uniform is arranged on described riser reactor.
Aforesaid a kind of catalytic cracking feeds device, is characterized in that large ring collecting tubule support is three groups, is uniformly arranged on riser reactor.
Aforesaid a kind of catalytic cracking feeds device, it is characterized in that the temperature of riser tube inflow pipeline is 210 DEG C, pressure is 1.1MPa; The temperature of atomizing steam is 250 DEG C, and pressure is 1.0MPa.
The present invention compared with prior art has obvious advantage and beneficial effect.From above technology contents, for achieving the above object, the invention provides a kind of catalytic cracking feeds device, comprising: described in oil-feed admission house steward, large ring collecting tubule support, nozzle, primary atomization steam, secondary-atomizing steam, oil-feed take-off pipe, riser reactor, the support of large ring collecting tubule is taken root on riser reactor; Described riser reactor pipeline is provided with the large ring collecting tubule of oil-feed, oil-feed take-off pipe, the large ring collecting tubule of admission, primary atomization steam, secondary-atomizing steam, large ring collecting tubule support; Described oil-feed admission house steward includes oil-feed large ring collecting tubule, the large ring collecting tubule of admission.
For achieving the above object, method of design of the present invention is: 1, each lateral of stock oil and atomizing steam will be arranged symmetrically with, and guarantees that the resistance drop of each branch is equal; Simultaneously each setting pressure table one piece after trip valve on inflow pipeline and intake ducting, is convenient to check the medium flowing situation in oil circuit and gas circuit, guarantees that charging situation is consistent.2, the oil-feed of nozzle and atomizing steam house steward adopt large ring collecting tubule to design.3, the support of large ring collecting tubule, one of the main divisions of the male role in traditional opera's root is on the outer wall of riser reactor.
By technique scheme, a kind of catalytic cracking feeds device of the present invention at least has following advantages and beneficial effect: the atomizing effect improving subsequent nozzle, the stock oil of ejection can be evaporated rapidly, the contact efficiency of stock oil and granules of catalyst is improved, speed of reaction improves.By using the support of large ring collecting tubule to take root the method for design on riser reactor, improve the security of pipeline and device, implement device long-term operation, cost-saving, create higher profit.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technique means of the present invention can be better understood, and can be implemented according to the content of specification sheets, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is that a kind of feed nozzle pipeline of catalytic cracking feeds device is arranged symmetrically with schematic diagram.
Fig. 2 is a kind of oil-feed and admission collecting tubule rack arrangement schematic diagram of catalytic cracking feeds device.
Fig. 3 is a kind of oil-feed of catalytic cracking feeds device and admission collecting tubule and rack arrangement figure.
1: admission large ring collecting tubule 2: the large ring collecting tubule of oil-feed
3: large ring collecting tubule support 4: nozzle
5: secondary-atomizing steam 6: primary atomization steam
7: oil-feed take-off pipe 8: riser reactor
Embodiment
For further setting forth the present invention for the technique means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to a kind of its embodiment of catalytic cracking feeds device proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
As shown in Figure 1, Figure 2, Figure 3 shows, Fig. 1 is that a kind of feed nozzle pipeline of catalytic cracking feeds device is arranged symmetrically with schematic diagram.Fig. 2 is a kind of oil-feed and admission collecting tubule rack arrangement schematic diagram of catalytic cracking feeds device.Fig. 3 is a kind of oil-feed of catalytic cracking feeds device and admission collecting tubule and rack arrangement figure.
The invention provides a kind of catalytic cracking feeds device, comprising: oil-feed admission house steward, large ring collecting tubule support 3, nozzle 4, primary atomization steam 6, secondary-atomizing steam 5, oil-feed take-off pipe 7, riser reactor 8; Described oil-feed admission house steward includes oil-feed large ring collecting tubule, the large ring collecting tubule of admission.
The support 3 of described large ring collecting tubule is taken root on riser reactor 8;
Described riser reactor 8 pipeline is provided with the large ring collecting tubule 2 of oil-feed, oil-feed take-off pipe 7, the large ring collecting tubule 1 of admission, primary atomization steam 6, secondary-atomizing steam 5, large ring collecting tubule support 3; And its mode of connection is: it is peripheral that oil-feed large ring collecting tubule 2 and the large ring collecting tubule 1 of admission are arranged at riser reactor 8, be placed on large ring collecting tubule support 3, primary atomization steam 6, secondary-atomizing steam 5 are connected in turn with nozzle 4, and the oil-feed take-off pipe 7 of drawing from the large ring collecting tubule 1 of oil-feed is connected with primary atomization steam 6, secondary-atomizing steam 5.
A kind of catalytic cracking feeds device provided by the invention, when applying:
The temperature of riser tube inflow pipeline is generally 210 DEG C, and pressure is 1.1MPa; The temperature of atomizing steam is 250 DEG C, 1.0MPa.Piping arrangement is generally divided into: the large ring collecting tubule 2 of oil-feed, oil-feed take-off pipe 7, the large ring collecting tubule 1 of admission, primary atomization steam 6, secondary-atomizing steam 5, large ring collecting tubule support 3.
(1) from Fig. 1, Fig. 2, can find out in Fig. 3, oil-feed, admission house steward is designed to the large ring collecting tubule 2 of large ring collecting tubule pattern oil-feed, the large ring collecting tubule 1 of admission, six (or four) nozzles 4 are symmetrical uniform, oil-feed take-off pipe 7, primary atomization steam 6 and secondary-atomizing steam 5 are all arranged symmetrically with, thus ensure stock oil and the oil-feed take-off pipe 7 at raw material nozzles place, the resistance drop of six (or four) branches of primary atomization steam 6 and secondary-atomizing steam 5 is equal, make charging even, not bias current, without dead angle, make real reaction and Theoretical Calculation closer to, easy acquisition target product.
(2) Fig. 2, Fig. 3 are the support detail drawing of nozzle oil-feed admission pipeline.Totally three groups, large ring collecting tubule support 3, is distributed on riser reactor 8.How correctly supporting flue is a major issue in design, and for high temperature service, support Design seems particularly important, and can also concern whole piping safe long-term operation simultaneously.
Method of design of the present invention is that large ring collecting tubule support 3 is taken root on riser reactor 8, and support is taken root on the framework of civil engineering by method of design different from the past, guarantee pipeline and riser reactor 8 keeps geo-stationary to stablize under operation, the potential safety hazard that the piping local stress that both eliminations bring due to the temperature difference is excessive.
Greatly can be increased the security of feed nozzle piping by above measure, and then make whole device and even full factory system can long period smooth operation, guarantee that economic benefit steadily improves.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when the structure and technology contents that can utilize above-mentioned announcement are made a little change or be modified to the Equivalent embodiments of equivalent variations, but every content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a catalytic cracking feeds device, is characterized in that comprising: oil-feed admission house steward, large ring collecting tubule support (3), nozzle (4), primary atomization steam (6), secondary-atomizing steam (5), oil-feed take-off pipe (7), riser reactor (8);
Described oil-feed admission house steward comprises oil-feed large ring collecting tubule (2), the large ring collecting tubule (1) of admission;
Described large ring collecting tubule support (3) is taken root on riser reactor (8);
Described riser reactor (8) pipeline is provided with the large ring collecting tubule (2) of oil-feed, oil-feed take-off pipe (7), the large ring collecting tubule (1) of admission, primary atomization steam (6), secondary-atomizing steam (5), large ring collecting tubule support (3); And its mode of connection is: it is peripheral that oil-feed large ring collecting tubule (2) and the large ring collecting tubule (1) of admission are arranged at riser reactor (8), be placed on large ring collecting tubule support (3), primary atomization steam (6), secondary-atomizing steam (5) are connected in turn with nozzle (4), and the oil-feed take-off pipe (7) of drawing from the large ring collecting tubule (2) of oil-feed is connected with primary atomization steam (6), secondary-atomizing steam (5) successively.
2. a kind of catalytic cracking feeds device as claimed in claim 1, is characterized in that primary atomization steam (6), secondary-atomizing steam (5), oil-feed take-off pipe (7) are six or four symmetries are uniform is arranged on described riser reactor (8).
3. a kind of catalytic cracking feeds device as claimed in claim 1, is characterized in that multiple nozzle (4) is six or four symmetries are uniform is arranged on described riser reactor (8).
4. a kind of catalytic cracking feeds device as claimed in claim 1, is characterized in that large ring collecting tubule support (3) is three groups, is uniformly arranged on riser reactor (8).
5. a kind of catalytic cracking feeds device as claimed in claim 1, it is characterized in that the temperature of the large ring collecting tubule (2) of riser tube inflow pipeline oil-feed is 210 DEG C, pressure is 1.1MPa; The temperature of atomizing steam is 250 DEG C, and pressure is 1.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025037.5A CN103834430B (en) | 2013-01-23 | 2013-01-23 | A kind of catalytic cracking feeds device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025037.5A CN103834430B (en) | 2013-01-23 | 2013-01-23 | A kind of catalytic cracking feeds device |
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| Publication Number | Publication Date |
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| CN103834430A CN103834430A (en) | 2014-06-04 |
| CN103834430B true CN103834430B (en) | 2015-09-09 |
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| CN201310025037.5A Active CN103834430B (en) | 2013-01-23 | 2013-01-23 | A kind of catalytic cracking feeds device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103965949B (en) * | 2013-01-30 | 2016-01-20 | 中国石油天然气股份有限公司 | Feeding method and device of catalytic cracking reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789379A (en) * | 2004-12-13 | 2006-06-21 | 洛阳石化设备研究所 | Method for catalytic conversion of hydrocarbon stock and riser reactor |
| JP3914569B2 (en) * | 1995-03-07 | 2007-05-16 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | Feed nozzle assembly |
| CN202063879U (en) * | 2011-04-29 | 2011-12-07 | 中国石油化工股份有限公司 | Catalytic cracking feed nozzle |
| CN102839014A (en) * | 2011-06-23 | 2012-12-26 | 中国石油天然气集团公司 | Reactor and method for reinforcing heavy oil conversion and reducing gasoline olefin |
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- 2013-01-23 CN CN201310025037.5A patent/CN103834430B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3914569B2 (en) * | 1995-03-07 | 2007-05-16 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | Feed nozzle assembly |
| CN1789379A (en) * | 2004-12-13 | 2006-06-21 | 洛阳石化设备研究所 | Method for catalytic conversion of hydrocarbon stock and riser reactor |
| CN202063879U (en) * | 2011-04-29 | 2011-12-07 | 中国石油化工股份有限公司 | Catalytic cracking feed nozzle |
| CN102839014A (en) * | 2011-06-23 | 2012-12-26 | 中国石油天然气集团公司 | Reactor and method for reinforcing heavy oil conversion and reducing gasoline olefin |
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| CN103834430A (en) | 2014-06-04 |
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