CN104293372A - Heavy oil catalysis atomizing nozzle - Google Patents
Heavy oil catalysis atomizing nozzle Download PDFInfo
- Publication number
- CN104293372A CN104293372A CN201410421345.4A CN201410421345A CN104293372A CN 104293372 A CN104293372 A CN 104293372A CN 201410421345 A CN201410421345 A CN 201410421345A CN 104293372 A CN104293372 A CN 104293372A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- atomization
- mixing section
- oil
- heavy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0491—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid the liquid and the gas being mixed at least twice along the flow path of the liquid
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1037—Hydrocarbon fractions
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nozzles (AREA)
Abstract
The invention relates to a heavy oil catalysis atomizing nozzle, which comprises a first mixing chamber, a second mixing chamber, a nozzle chamber and a nozzle, the first mixing chamber and the second mixing chamber are fixed in the nozzle chamber, the first mixing chamber is arranged at an inlet end of the nozzle chamber, and the nozzle is arranged at an outlet end of the nozzle chamber; the heavy oil catalysis atomizing nozzle also comprises an atomization structure which is fixedly arranged in the nozzle chamber; the atomization structure comprises a support member and an atomization body, and the support member and the atomization body are fixed together; and the shape of the atomization body can be spherical shape, semispherical shape, progressively arc, elliptical shape or paraboloid. According to the invention, oil and gas are fully mixed, by means of the atomization body, oil and gas can be fully atomized, the taper-shaped controllable solid mist field can be formed, and the heavy oil catalysis atomizing nozzle has the advantages of simple structure, convenient usage, good operation elasticity and high reliability.
Description
Technical field
The present invention relates to nozzle field, particularly relate to indispensable efficient heavy-oil catalytic atomizing nozzle in a kind of catalyst spray drying of petrochemical complex, shaping of catalyst production process.
Background technology
Current, atomizing feed nozzle is a gordian technique in catalytic cracking process.In the heavy oil fluid catalytic cracking course of processing, the quality of atomizing feed nozzle performance plays an important role to cracking reaction, product slates; Particularly when taking heavy oil as raw material, this impact is particularly outstanding.Wellatomized charging and high-temperature regenerated catalyst short-time contact, carry out violent catalytic cracking reaction, yield of light oil can be improved, reduce coke yield, improve product slates and prevent overcracking, eliminate the coking phenomenon in riser reactor, bring considerable economic benefit.Therefore, domestic and international relevant enterprise is being continually developed always and is being released new and effective atomizing feed nozzle, to adapt to the needs of heavy oil deep processing technical development and to obtain larger economic benefit.
The heavy oil feeding atomization nozzle used both at home and abroad is at present divided into following a few class substantially: the first kind is improved and formed on wikipedia type nozzle basis, is characterized in that utilization convergence-expansion shape venturi improves gas flow rate as far as possible and gas-liquid two-phase velocity contrast is atomized intensity to increase; Equations of The Second Kind is target spray nozzle, and its principle is that feed oil forms high-speed jet and clashes into metallic target under High Pressure Difference effect, and be atomized carrying out first time with crossflow effect, formation gas-spray two-phase flow, finally in the acceleration of shower nozzle nozzle, realizes secondary-atomizing; 3rd class is two venturi internal-mixing feed nozzles; 4th class is two-fluid rotarytype injector, which employs two-phase swirler; Etc..
All kinds of nozzle Problems existing is above: (1) material enters in nozzle chambers, and pressure drag easily causes nozzle chambers mechanical vibration, and oil gas can not fully mix; (2) adopt existing nozzle major part easily to smash catalyzer, cause oil quality to decline, polluted air; (3) easily coking etc.
Because above-mentioned existing atomizing feed nozzle Problems existing, the present inventor is based on being engaged in the practical experience and expertise that this type of product design manufacture enriches for many years, and coordinate the utilization of scientific principle, actively in addition research and innovation, to founding a kind of heavy-oil catalytic atomizing nozzle of novel texture, existing Problems existing can be solved, make it have more practicality.Through constantly research, design, and through repeatedly studying sample and after improving, finally creating the present invention had practical value.
Summary of the invention
The object of the invention is providing a kind of heavy-oil catalytic atomizing nozzle, oil gas can be made fully to mix, and by atomization mass wherein, oil gas is fully atomized, and form the solid mist field that taper is controlled, not only structure is simple, easy to use, also turndown ratio is good, and reliability is high.
The object of the invention is to adopt following technical scheme to realize.The invention provides a kind of heavy-oil catalytic atomizing nozzle, comprise the first mixing section, the second mixing section, nozzle chambers and shower nozzle, this first mixing section and the second mixing section are fixedly arranged in nozzle chambers, and the inlet end of nozzle chambers is located at by this first mixing section, and this shower nozzle is located at the exit end of nozzle chambers; It also comprises atomization structure, and this atomization structure is fixedly arranged in nozzle chambers; This atomization structure comprises strut member and atomization mass, and this strut member and atomization mass are fixed together; The shape of this atomization mass is spherical, semisphere, progressive cambered surface, ellipse or parabola.
Object of the present invention can also be further achieved by the following technical measures.
Aforesaid heavy-oil catalytic atomizing nozzle, wherein this atomization mass and strut member are one-body molded.
Aforesaid heavy-oil catalytic atomizing nozzle, wherein this shower nozzle is bigbore single opening.
The present invention compared with prior art has obvious advantage and beneficial effect.By technique scheme, the present invention has following advantages and beneficial effect:
1, heavy-oil catalytic atomizing nozzle of the present invention, takes full advantage of material pressure, flow velocity and vapor mixing, and in nozzle chambers, carried out two mixing, and oil gas is fully mixed.
2, heavy-oil catalytic atomizing nozzle of the present invention, by atomization structure wherein, makes oil gas fully be atomized, and to form the controlled solid mist field of taper, adds atomization quality.
3, heavy-oil catalytic atomizing nozzle of the present invention, not only structure is simple, easy to use, and also turndown ratio is good, and reliability is high.
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: be the structural representation of heavy-oil catalytic atomizing nozzle of the present invention.
Fig. 2 ~ Fig. 4: be the structural representation of atomization structure of the present invention.
[main element nomenclature]
1: the first mixing section 2: the second mixing section
3: atomization structure 4: nozzle chambers
5: shower nozzle 11: sweating room
12: spiracular plate 13: preliminary mixing section
111: primary steam entrance 112: secondary steam entrance
131: stock oil entrance 132: inclined hole
133: end socket 21: Venturi tube
22: trunnion 23: expansion section
31: strut member 32: atomization mass
311: inclined hole 312: the first strut member
213: the second strut members
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 heavy-oil catalytic atomizing nozzle proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
Consulting shown in Fig. 1, is the structural representation of heavy-oil catalytic atomizing nozzle of the present invention.This heavy-oil catalytic atomizing nozzle comprises the first mixing section 1, second mixing section 2, atomization structure 3, nozzle chambers 4 and shower nozzle 5, and this first mixing section 1, second mixing section 2 and atomization structure 3 are all fixedly arranged in nozzle chambers 4, and this shower nozzle 5 is located at the exit end of nozzle chambers 4.
Wherein, the inlet end of nozzle chambers 4 is located at by this first mixing section 1, comprises sweating room 11, spiracular plate 12 and preliminary mixing section 13; Concrete, this sweating room 11 has radial primary steam entrance 111 and axial secondary steam entrance 112, namely primary steam enters sweating room 11 by radial direction, and secondary steam is by axially entering sweating room 11; This spiracular plate 12 is between sweating room 11 and preliminary mixing section 13, and this spiracular plate 12 is provided with multiple pore, makes the steam in sweating room 11 evenly enter preliminary mixing section 13; The side of this preliminary mixing section 13 is provided with stock oil entrance 131, and stock oil enters preliminary mixing section 13 from this stock oil entrance 131, and mixes for the first time with steam wherein, forms oil gas.In addition, the sidewall of this preliminary mixing section 13 is provided with the inclined hole 132 that diameter differs, also differ in each angle of inclination, for the ejection of first mixed oil gas, and the end socket 133 of this preliminary mixing section 13 is approximate cone-shape structures, the conical top of this end socket 133 has spray orifice, equally for the ejection of first mixed oil gas.The number of above-mentioned inclined hole 132, can determine according to actual demand, the present invention is not limited, and such as, the number of inclined hole 132 is 8-20.
The coated preliminary mixing section 13 of this second mixing section 2 part, makes the oil gas sprayed from preliminary mixing section 13 can enter into the second mixing section 2.This second mixing section 2 comprises Venturi tube 21, trunnion 22 and expansion section 23, and this Venturi tube 21, trunnion 22 and expansion section 23 are connected in turn.In actual applications, first mixed oil gas is made from the coarse to fine by Venturi tube 21, and accelerate flow velocity, simultaneously through trunnion 22 and expansion section 23, secondary mixing is more fully carried out to oil gas, form the oil-gas two-phase flow (bubble flow) containing a lot of water vapor bubble, make it to arrive atomization structure 3.
Specifically consulting shown in Fig. 2 ~ Fig. 4, is the structural representation of atomization structure of the present invention again.This atomization structure 3 comprises strut member 31 and atomization mass 32, and this strut member 31 and atomization mass 32 are fixed together.Detailed, this strut member 31 comprises the first strut member 312 and the second strut member 313, and this first strut member 312 and the second strut member 313 are all approximate cone-shape structures, and are relatively fixed together; The conical top relative diffusion section 23 of this first strut member 312 is arranged, and to avoid the mixed oil gas of secondary to pile up at the first strut member 312 place, and the tapered side of this first strut member 312 is provided with multiple inclined hole 311, for the ejection of the mixed oil gas of secondary; The number of this inclined hole 311 can be determined according to actual demand, and the present invention is not limited, and such as, the number of inclined hole 311 is 8-10.The conical lower portion of this second strut member 313 is fixed in the conical lower portion of the first strut member 312, and appears the inclined hole 311 that place has.This atomization mass 32 is fixed in the conical top of the second strut member 313, and relative inclined hole 311 is arranged, and the oil gas major part namely sprayed from inclined hole 311 can be ejected into atomization mass 32, and by reflection ejection; When the hydrocarbons contact sprayed from inclined hole 311 is to atomization mass 32, this oil gas (mainly liquid) wherein can be divided, becomes less particle diameter; That is, by the effect of atomization mass 32, the above-mentioned oil gas sprayed from inclined hole 311 by collision atomization, can be formed tapered solid mist field, and sprays from shower nozzle 5.And the size of above-mentioned atomization mass 32, can determine according to actual demand, above-mentioned atomization mass 32 can be one-body molded with the second strut member 313 (i.e. strut member), and the present invention is not limited.Importantly, the shape of this atomization mass is spherical, semisphere, progressive cambered surface, parabola or ellipse etc., and the shape of such as, atomization mass in Fig. 2 is spherical, and the shape of the atomization mass in Fig. 3 is progressive cambered surface, and the shape of atomization mass in Fig. 4 is oval.
What deserves to be explained is, in the present invention, this shower nozzle 5 is bigbore single openings, is beneficial to the ejection of oil gas.
Below the working process of heavy-oil catalytic atomizing nozzle of the present invention is introduced.
First, stock oil enters preliminary mixing section 13 from stock oil entrance 131, simultaneously, primary steam enter sweating room 11 by radial direction and secondary steam by axially entering sweating room 11, and through spiracular plate 12, steam enters preliminary mixing section 13 and mixes for the first time, and steam generally selects water vapor, and water vapour is generally the overheated steam of 250-400 degree; Subsequently, first mixed oil gas enters the second mixing section 2 by the inclined hole 132 on preliminary mixing section 13, and carries out secondary mixing more fully through Venturi tube 21, trunnion 22 and expansion section 23; Finally, the oil gas of secondary mixing is atomized body 32 and collides atomization, forms tapered solid mist field (more small particle size), is sprayed by shower nozzle 5, and the fully comprehensive engagement reaction such as catalyzer.
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, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the 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 (3)
1. a heavy-oil catalytic atomizing nozzle, comprise the first mixing section, the second mixing section, nozzle chambers and shower nozzle, this first mixing section and the second mixing section are fixedly arranged in nozzle chambers, and the inlet end of nozzle chambers is located at by this first mixing section, and this shower nozzle is located at the exit end of nozzle chambers;
It is characterized in that it also comprises atomization structure, this atomization structure is fixedly arranged in nozzle chambers; This atomization structure comprises strut member and atomization mass, and this strut member and atomization mass are fixed together; The shape of this atomization mass is spherical, semisphere, progressive cambered surface, ellipse or parabola.
2. heavy-oil catalytic atomizing nozzle according to claim 1, is characterized in that wherein this atomization mass and strut member are one-body molded.
3. heavy-oil catalytic atomizing nozzle according to claim 1, is characterized in that wherein this shower nozzle is bigbore single opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421345.4A CN104293372B (en) | 2014-08-25 | 2014-08-25 | Heavy-oil catalytic atomizing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421345.4A CN104293372B (en) | 2014-08-25 | 2014-08-25 | Heavy-oil catalytic atomizing nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104293372A true CN104293372A (en) | 2015-01-21 |
| CN104293372B CN104293372B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410421345.4A Active CN104293372B (en) | 2014-08-25 | 2014-08-25 | Heavy-oil catalytic atomizing nozzle |
Country Status (1)
| Country | Link |
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| CN (1) | CN104293372B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318667A (en) * | 2018-01-30 | 2018-07-24 | 河南郑大嘉源环保技术有限公司 | Atomizing diesel oil coking experiment simulator and diesel cleaning detection method |
| CN108480080A (en) * | 2018-05-23 | 2018-09-04 | 海安县石油科研仪器有限公司 | A kind of simulation oil gas mixed aerosol device |
| CN108889243A (en) * | 2017-07-30 | 2018-11-27 | 李先富 | A kind of stream of double-cyclone three spray gun |
| CN113769598A (en) * | 2021-08-24 | 2021-12-10 | 北京协同创新食品科技有限公司 | Jet flow mixing nozzle |
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| CN1282777A (en) * | 2000-07-07 | 2001-02-07 | 中国石油天然气集团公司 | Atomizing nozzle for feeding raw material in catalytic cracking |
| CN201686665U (en) * | 2010-04-14 | 2010-12-29 | 洛阳高新柯恒石化技术有限公司 | Atomizing nozzle used for feeding of heavy oil catalytic cracking unit |
| CN202290379U (en) * | 2011-10-11 | 2012-07-04 | 洛阳瑞昌石油化工设备有限公司 | Heavy oil catalytic cracking spray nozzle with tangential feeding |
| CN202786132U (en) * | 2012-09-13 | 2013-03-13 | 洛阳森德石化工程有限公司 | Multistage-atomization heavy oil catalytic cracking anti-coking nozzle |
| CN103897721A (en) * | 2014-03-10 | 2014-07-02 | 沈庆成 | Feeding spray nozzle of raising pipe of high-efficiency catalytic cracking device and atomizing method |
| CN203754651U (en) * | 2014-03-10 | 2014-08-06 | 沈庆成 | Feeding nozzle of lifting pipe of high-efficiency catalytic cracking device |
| CN204111684U (en) * | 2014-08-25 | 2015-01-21 | 洛阳帝博石化装备有限公司 | Heavy-oil catalytic atomizing nozzle |
-
2014
- 2014-08-25 CN CN201410421345.4A patent/CN104293372B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282777A (en) * | 2000-07-07 | 2001-02-07 | 中国石油天然气集团公司 | Atomizing nozzle for feeding raw material in catalytic cracking |
| CN201686665U (en) * | 2010-04-14 | 2010-12-29 | 洛阳高新柯恒石化技术有限公司 | Atomizing nozzle used for feeding of heavy oil catalytic cracking unit |
| CN202290379U (en) * | 2011-10-11 | 2012-07-04 | 洛阳瑞昌石油化工设备有限公司 | Heavy oil catalytic cracking spray nozzle with tangential feeding |
| CN202786132U (en) * | 2012-09-13 | 2013-03-13 | 洛阳森德石化工程有限公司 | Multistage-atomization heavy oil catalytic cracking anti-coking nozzle |
| CN103897721A (en) * | 2014-03-10 | 2014-07-02 | 沈庆成 | Feeding spray nozzle of raising pipe of high-efficiency catalytic cracking device and atomizing method |
| CN203754651U (en) * | 2014-03-10 | 2014-08-06 | 沈庆成 | Feeding nozzle of lifting pipe of high-efficiency catalytic cracking device |
| CN204111684U (en) * | 2014-08-25 | 2015-01-21 | 洛阳帝博石化装备有限公司 | Heavy-oil catalytic atomizing nozzle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889243A (en) * | 2017-07-30 | 2018-11-27 | 李先富 | A kind of stream of double-cyclone three spray gun |
| CN108318667A (en) * | 2018-01-30 | 2018-07-24 | 河南郑大嘉源环保技术有限公司 | Atomizing diesel oil coking experiment simulator and diesel cleaning detection method |
| CN108318667B (en) * | 2018-01-30 | 2023-11-21 | 河南郑大嘉源环保技术有限公司 | Spray type diesel coking test simulation device and diesel detergency detection method |
| CN108480080A (en) * | 2018-05-23 | 2018-09-04 | 海安县石油科研仪器有限公司 | A kind of simulation oil gas mixed aerosol device |
| CN113769598A (en) * | 2021-08-24 | 2021-12-10 | 北京协同创新食品科技有限公司 | Jet flow mixing nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104293372B (en) | 2016-04-13 |
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