CN1148266C - Atomizing feed nozzle for petroleum processing - Google Patents
Atomizing feed nozzle for petroleum processing Download PDFInfo
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- CN1148266C CN1148266C CNB001220721A CN00122072A CN1148266C CN 1148266 C CN1148266 C CN 1148266C CN B001220721 A CNB001220721 A CN B001220721A CN 00122072 A CN00122072 A CN 00122072A CN 1148266 C CN1148266 C CN 1148266C
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- nozzle
- section
- steam
- mouth body
- atomizing
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
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Abstract
The present invention discloses an atomizing feed nozzle for petroleum processing. A nozzle body is a tubular round body, one end of the nozzle body is provided with a spray head, the other end of the nozzle body is a feed end, a cavity in the nozzle body is divided into a mixing section, a shrinkage section, a mixing throat section and a diffusion section orderly from the feed end to a spray head end. The feed end of the nozzle is provided with an atomization medium inlet tube, a steam inlet and a raw oil inlet, wherein the atomization medium inlet tube and the nozzle body are coaxial, and an outlet end of the nozzle extends into the shrinkage section or diffusion section. Because the atomizing feed nozzle of the present invention is simultaneously provided with the atomization medium inlet tube and the steam inlet, the nozzle of the present invention can regulate atomization medium flexibly according to different operating conditions so as to obtain satisfied atomization effects.
Description
The invention belongs to refining of petroleum charging atomising unit.
Feed nozzle is one of used visual plant of many oil-processing unitss, and as in technological processs such as catalytic cracking, catalytic pyrolysis, residual oil pre-treatment, the performance of feed nozzle directly has influence on the operation of device and the yield of purpose product.
The disclosed a kind of heavy oil upgrading feed nozzle of Chinese patent ZL93213297.9 is the maximally related prior art of the present invention.This nozzle is made up of shower nozzle and mouth body, and the mouth body is a tubular cylinder, and the nozzle body internal cavity is made up of mixing section, contraction section, mixing trunnion section and expansion section, this nozzle be provided with one with the co-axial steam-in of mouth body and with the stock oil of mouth body mitered inlet.The main drawback of this nozzle is: have only an atomizing steam inlet, can not therefore be difficult to reach optimal atomizing effect, to satisfy the needs of complete processing according to different operating mode flexible atomizing mediums.
The object of the present invention is to provide a kind of atomizing feed nozzle for petroleum processing, its atomizing medium can make up according to different operating modes and regulate, and to reach optimal atomizing effect, satisfies the needs of complete processing.
For this reason, technical scheme provided by the invention is: a kind of atomizing feed nozzle for petroleum processing, mouth body are tubular cylinder, and the one end is provided with shower nozzle, and the other end is a feed end.The body internal cavity of nozzle is divided into mixing section, contraction section, mixing trunnion section and expansion section successively from feed end to nozzle end.It is characterized in that: be provided with atomizing medium inlet tube, steam-in and stock oil import at the nozzle material-feeding end, the atomizing medium inlet tube is coaxial with the mouth body, its exit end reach in the contraction section always or expansion section in, the mixing section place is located in steam-in and stock oil import successively, and the steam-in is near feed end.
The remarkable advantage that the present invention is compared with prior art had shows: owing to be provided with atomizing medium inlet tube and steam-in simultaneously, make nozzle of the present invention to reach satisfied atomizing effect according to different operating mode flexible atomizing mediums.
Describe the present invention and advantage thereof in detail below in conjunction with accompanying drawing.
Accompanying drawing and drawing explanation:
Accompanying drawing 1: a kind of typical structure synoptic diagram of nozzle of the present invention;
Accompanying drawing 2: the another kind of typical structure synoptic diagram of nozzle of the present invention;
Accompanying drawing 3: a kind of structure iron of nozzle material-feeding end of the present invention;
Accompanying drawing 4: A-A is to view in the accompanying drawing 3;
Accompanying drawing 5: the another kind of structure iron of nozzle material-feeding end of the present invention;
Accompanying drawing 6: A-A is to view in the accompanying drawing 5.
As shown in Figure 1, the mouth body 11 of feed nozzle of the present invention is a tubular cylinder, and the one end is provided with shower nozzle 5, and the other end is a feed end; The body internal cavity of nozzle is divided into mixing section 1, contraction section 2 successively, mixes trunnion section 3 and expansion section 4 from feed end to shower nozzle 5 ends; Be provided with atomizing medium inlet tube 6, steam-in 7 and stock oil import 8 at the nozzle material-feeding end; Atomizing medium inlet tube 6 is coaxial with mouth body 11, and its exit end reaches in the expansion section 4 always; Steam-in 7 vertical and mouth body 11 settings, stock oil import 8 mitereds are on mouth body 11, and the angle of its axis and mouth body 11 axis is α, 30 °≤α≤60 °.
The atomizing medium that atomizing medium inlet tube 6 of the present invention is advanced can be selected according to the character that processes raw material, and works as processing heavy oil, when particularly high carbon residue, full-bodied heavy oil, and optional water, this moment, nozzle was the steam combining cone.Can select steam for use when the processing lightweight material, this moment, nozzle was two atomizing nozzles.
When being the steam combining cone, its working condition is such:
Stock oil enters mixing section 1 from stock oil import 8, stock oil clashes into atomizing medium inlet tube 6 outer walls earlier in this space, disperse the back and then be broken into mist of oil by the steam that comes by steam-in 7, not broken part forms the outside around mist of oil be oil film, the center is the annular-flow of steam and mist of oil mixture, enter mixing trunnion section 3 through contraction section 2, annular-flow is further pulverized, liquid film is accelerated attenuate, entering expansion section 4 back stock oils is the mist of oil shape substantially and has surrounded at this position by atomizing medium inlet tube 6 water droplet of ejection at a high speed, quicken to spray in the reactor through shower nozzle 5, contact with high temperature catalyst, water droplet absorbs the heat vaporization, volumetric expansion, and the water explosion that mist of oil further is vaporized becomes tiny drop.
Atomizing medium inlet tube 6 its exit end in the accompanying drawing 1 also can reach in the contraction section 2, just illustrated this kind structure in the accompanying drawing 2, this moment, the water droplet in the ejection of contraction section 2 places was surrounded by annular-flow, mixing under trunnion section 3, expansion section 4 and shower nozzle 5 effects, water droplet was further disperseed.
In order to make water droplet disperse more even, better effects if, the exit end of atomizing medium inlet tube 6 can be processed into the porous outlet.
When nozzle during as two atomizing nozzle, its working process has just been lacked a water droplet blasting process with the steam combining cone.
For make by the atomizing steam of steam-in 7 with in the annular space that mixing section 1 and atomizing medium inlet tube 6 form, distribute more evenly before stock oil contacts, can in the annular space that mixing section between steam-in 7 and the stock oil import 81 and atomizing medium inlet tube 6 form, establish vapor distribution plate 9.Accompanying drawing 3 has provided the structure of carrying vapour grid distributor 9.Shown in accompanying drawing 3, accompanying drawing 4, vapor distribution plate 9 is one to have the annular plate of a plurality of circular holes.Certainly the form of vapor distribution plate 9 can be a lot, if can be in the hoop space uniform distribution steam.
Shown in accompanying drawing 5 and accompanying drawing 6, the quantity of oil inlet passage 12 is identical with the number of aperture of steam distribution ring 9, and corresponding mutually on mouth body 11 axis directions, is divided into several oily vapour hybrid channels with dividing plate 13 along mouth body 11 axis directions.It is more even that this kind structure makes stock oil contact with steam, and atomizing effect is better.
The working condition of nozzle of the present invention is identical shown in nozzle of the present invention shown in the accompanying drawing 2 and the accompanying drawing 1, also can be used as oily vapour combining cone or two atomizing nozzle and uses.
The present invention does not add restriction to the structure of shower nozzle 5, recommends to use the nozzle type that provides among the ZL93213297.9.
The present invention proves to have following beneficial effect through commerical test on catalytic cracking unit:
1, raw material of the present invention can directly advance nozzle without emulsifying agent emulsification;
2, the present invention adopts steam combined atomizing feedstock oil. Because the rapid expansion of water vapor has explosion mist of oil energy Power makes little, the narrowly distributing of mist of oil particle diameter, also has simultaneously following benefit:
Reduce regenerated catalyst temperature, the improving agent oil ratio; Reduce oily vapour dividing potential drop, reduce dry gas and coke and produce Rate; Heavy metal on the passivation regenerated catalyst improves product and distributes, and improves light oil yield.
3, atomizing type changes flexibly, can be by the steam combine operations, also can be by the operation of vapour steam fog, and its amount all can be controlled respectively.
Claims (5)
1, a kind of atomizing feed nozzle for petroleum processing, mouth body (11) is a tubular cylinder, the one end is provided with shower nozzle (5), the other end is a feed end, and the body internal cavity of nozzle is divided into mixing section (1), contraction section (2) successively, mixes trunnion section (3) and expansion section (4) from feed end to shower nozzle (5) end; It is characterized in that: be provided with atomizing medium inlet tube (6), steam-in (7) and stock oil import (8) at the nozzle material-feeding end; Atomizing medium inlet tube (6) is coaxial with mouth body (11), its exit end reach in the contraction section (2) always or expansion section (4) in; Steam-in (7) and stock oil import (8) are located at mixing section (1) successively and are located, and establish stock oil import (8) after at first the feed end direction establishes steam-in (7).
2, nozzle according to claim 1 is characterized in that: steam-in (7) and the vertical setting of mouth body (11); Stock oil import (8) mitered is on mouth body (11), and the angle of its axis and mouth body (11) axis is α, 30 °≤α≤60 °.
3, nozzle according to claim 1 is characterized in that: in the annular space that mixing section (1) between steam-in (7) and stock oil import (8) and atomizing medium inlet tube (6) form, be provided with vapor distribution plate (9).
4, nozzle according to claim 3 is characterized in that: it is a tube-in-tube structure (10) that stock oil import (8) is located, and is provided with oil inlet passage (12) on mixing section (1) outer wall in tube-in-tube structure (10).
5, nozzle according to claim 4, it is characterized in that: the quantity of oil inlet passage (12) is identical with the number of aperture of vapor distribution plate (9), and corresponding mutually on mouth body (11) axis direction, be divided into oily vapour hybrid channel with dividing plate (13) along mouth body (11) axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001220721A CN1148266C (en) | 2000-08-16 | 2000-08-16 | Atomizing feed nozzle for petroleum processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001220721A CN1148266C (en) | 2000-08-16 | 2000-08-16 | Atomizing feed nozzle for petroleum processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1304979A CN1304979A (en) | 2001-07-25 |
| CN1148266C true CN1148266C (en) | 2004-05-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001220721A Expired - Fee Related CN1148266C (en) | 2000-08-16 | 2000-08-16 | Atomizing feed nozzle for petroleum processing |
Country Status (1)
| Country | Link |
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| CN (1) | CN1148266C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406130C (en) * | 2005-06-30 | 2008-07-30 | 宝山钢铁股份有限公司 | Cold air powered spraying method and device |
| CN101721959B (en) * | 2008-10-28 | 2012-06-27 | 中国石油化工股份有限公司 | Portable nozzle and fluidized bed reactor with same |
| CN101804560B (en) * | 2010-03-17 | 2012-05-09 | 烟台台海玛努尔核电设备股份有限公司 | Processing method of safety injection tank tube nozzle |
| CN103160309A (en) * | 2011-12-16 | 2013-06-19 | 洛阳瑞泽石化工程有限公司 | Feeding nozzle for catalytic cracking test unit |
-
2000
- 2000-08-16 CN CNB001220721A patent/CN1148266C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1304979A (en) | 2001-07-25 |
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Legal Events
| Date | Code | Title | Description |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangzhou Zhongyuan Petroleum and Chemical Engineering Co., Ltd. Assignor: Luoyang Petrochemical Engineering Co., China Petrochemical Group Contract fulfillment period: 2008.6.10 to 2015.6.10 contract change Contract record no.: 2009440000268 Denomination of invention: Atomizing feed nozzle for petroleum processing Granted publication date: 20040505 License type: Exclusive license Record date: 2009.4.20 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.6.10 TO 2015.6.10; CHANGE OF CONTRACT Name of requester: GUANGZHOU ZHONGYUAN PETROLEUM CHEMICAL ENGINEERING Effective date: 20090420 |
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| C56 | Change in the name or address of the patentee |
Owner name: SINOPEC LUOYANG ENGINEERING CO., LTD. Free format text: FORMER NAME: CHINA PETROCHEMICAL CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 471003 Zhongzhou West Road, Henan, China, No. 27, No. Patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Address before: 471003 Zhongzhou West Road, Henan, China, No. 27, No. Patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040505 Termination date: 20160816 |