CN106350109B - A kind of catalytic cracking reaction of high order isolation integral swirl-flow devices - Google Patents
A kind of catalytic cracking reaction of high order isolation integral swirl-flow devices Download PDFInfo
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- CN106350109B CN106350109B CN201610845429.XA CN201610845429A CN106350109B CN 106350109 B CN106350109 B CN 106350109B CN 201610845429 A CN201610845429 A CN 201610845429A CN 106350109 B CN106350109 B CN 106350109B
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- 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
- C10G55/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
- C10G55/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only
- C10G55/06—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one catalytic cracking step
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2405—Stationary reactors without moving elements inside provoking a turbulent flow of the reactants, such as in cyclones, or having a high Reynolds-number
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/185—Details relating to the spatial orientation of the reactor vertical
-
- 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
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4093—Catalyst stripping
Abstract
A kind of catalytic cracking reaction of high order isolation integral swirl-flow devices, belong to crude oil catalytic cracking apparatus field.It is characterized in that:Connection stripping mechanism between one-level mixed organization and two level mixed organization, exhaust pipe lower part is through stripping mechanism and gos deep into inside two level mixed organization;One-level mixed organization and the outer middle side part of stripping mechanism connect horizontally disposed raw material oil gas entrance respectively(1)And steam inlet(9), two level mixed organization top is provided with atomizing raw materials nozzle(10);Raw material rotational flow atomization device and steam eddy flow distributor are respectively equipped with one-level mixed organization and the reaction chamber of stripping mechanism, and the bottom of one-level mixed organization and two level mixed organization is respectively equipped with stator.Instant invention overcomes conventional lift pipe catalyst cracker secondary response is serious, the drawbacks of easy back-mixing, coking, the technological process such as reaction, separation, stripping is integrated in one;Fast reaction, separation are realized, improves the overall catalytic efficiency of device, reduces the operating cost of device.
Description
Technical field
A kind of catalytic cracking reaction of high order isolation integral swirl-flow devices, belong to crude oil catalytic cracking apparatus field.
Background technology
The conversion of heavy, poor oil is the focus of 21 century petroleum refining technology, and a difficulty of petrochemical industry
Point.At present, catalytic cracking production capacity has accounted for more than the 25% of whole world FCC production capacity.And in China, heavy oil is important
Strategy takes over one of energy, and catalytic cracking is always processing heavy oil, improves the mostly important means of light oil yield, wherein most
It is catalytic cracking, mixes 50 more than the % that refining residual oil accounts for total processing capacity.
Traditional catalytic cracking unit is all based on riser reactor, including but riser reactor, reducing riser
Reactor, multistage feeding riser reactor, downstriker riser reactor, duo-lift tube reactor and riser and other
Some catalyst crackers that fluid bed combines.Although various informative, the drawbacks of common all be present, it is tight to produce axial backmixing
Weight, the progress of gas solid catalytic reaction is influenceed, reaction time length, secondary response is serious, and coking is serious, makes catalyst inactivation.In order to
Overcome problem above, some short contact techniques occur in succession, including Millisecond catalytic cracking(MSCC)Technique, short contacting time are urged
Change cracking(SCT)Technique, folding bed catalytic cracking process multi-reaction-area(MIP)Technique, quantity flexibility(FDFCC)Work
Skill etc., although various doses of oily short contact catalytic cracking technology forms are different, these technologies are all split in reduction catalysis
Change secondary response, suppression heat cracking reaction, improvement product distribution etc. and achieve different effects, embody agent oil short contact
The superiority of catalytic cracking technology.But from equipment angle for, in addition to without settler technique, the reaction of other various technologies and
The specific equipment form of regenerative system does not have essential distinction, is essentially all to be carried out using regenerator and the device mode of settler two
The circulation of catalyst.
Based on above practical problem, a kind of investment of exploitation is small, integrates catalytic cracking multilevel device, realizes heavy oil in short-term
The novel catalytic cracking equipment of catalytic cracking, it is an important directions of petroleum chemical industry research from now on.
The content of the invention
The technical problems to be solved by the invention are:Overcome the deficiencies in the prior art, there is provided one kind investment is small, and collection catalysis is split
Change multilevel device in one, realize the novel catalytic cracking catalytic cracking reaction of high order separation of heavy oil catalytic cracking in short-term integrally
Change swirl-flow devices.
The technical solution adopted for the present invention to solve the technical problems is:This kind of catalytic cracking reaction of high order isolation integral
Swirl-flow devices, including mixed reactor, mixed reactor are provided with catalyst inlet, raw material oil gas entrance and blast pipe,
It is characterized in that:Described mixed reactor includes the one-level mixed organization and two level mixed organization two that connection is set up and down
Group, connection stripping mechanism, blast pipe top are stretched out at the top of one-level mixed organization between one-level mixed organization and two level mixed organization,
Bottom is through stripping mechanism and stretches into inside two level mixed organization;One-level mixed organization and the outer middle side part of stripping mechanism connect respectively
Horizontally disposed raw material oil gas entrance and steam inlet are connect, atomizing raw materials nozzle is provided with the top of two level mixed organization;One-level mixes
Raw material rotational flow atomization device and steam eddy flow distributor, one-level mixer are respectively equipped with the reaction chamber of mechanism and stripping mechanism
The bottom of structure and two level mixed organization is respectively equipped with stator.
Using two-stage hybrid reaction mechanism, and stripping mechanism is set between two-stage hybrid reaction mechanism, overcomes tradition
Riser catalytic cracking reactor secondary response is serious, will the technological process such as reaction, separation, stripping the drawbacks of easy back-mixing, coking
It is integrated in one;Fast reaction, separation are realized, and the catalyst of coking is burnt into stripping in stripping intracavitary in time, inside device
Improve the catalytic effect of catalyst, improve the catalytic cracking rate of next order reaction.Meanwhile second order reaction chamber is set, can be timely
Fresh feed is supplemented, is further reacted using the catalyst after stripping, is increased the single cycle treating capacity of device, improve device
Overall catalytic efficiency, reduce the operating cost of device.In addition, a variety of catalytic cracking reaction equipment of present apparatus set are in one, from
The processing cost of device is fundamentally reduced, it is practical strong.
Described one-level mixed organization also includes one-level hybrid chamber, solid phase cone entrance, one-level blast pipe and one-level stator,
Solid phase cone entrance is provided with the top of one-level hybrid chamber, bottom is provided with back taper discharging opening, one-level stator, raw material are provided with discharging opening
Rotational flow atomization device annular is arranged on inside one-level hybrid chamber, is set with one-level blast pipe in raw material rotational flow atomization device at center.
Described raw material rotational flow atomization device is atomizing raw materials post, and atomizing raw materials post is provided with the raw material for the setting that is inclined upwardly
Fog water content.
Be inclined upwardly setting atomizing raw materials groove when raw material oil gas enters, play a part of making rotation, make oil-gas formation oblique
Upward strong rotation mist flow contacts with catalyst, in conjunction with the effect of one-level stator, forms eddy flow, ensures catalyst and feedstock oil
Abundant, the quick hybrid reaction of gas.
Tangentially annular is distributed on atomizing raw materials post described atomizing raw materials groove, and tangential angle is 30 °~50 °, oblique
Upper angle is 10 °~15 °, and atomizing raw materials groove is rectangle, and the line number slotted along atomizing raw materials trough rim wall is at least eight rows, raw material mist
The direction of rotation for changing groove is opposite with the direction of rotation of one-level stator.
The line number slotted along atomizing raw materials trough rim wall is at least eight rows, and uniformly and large stretch of densely arranged pattern, raising are former
Expect the atomizing effect of fog water content, ensure the uniformity of atomization, prevent raw material from entering the phenomenon that cloth is uneven in hybrid chamber, enter one
Step ensures the mixing uniformity of raw material and catalyst.
Described two level mixed organization, which also includes two level hybrid chamber, secondary exhaust, two level stator and disengagement chamber, two level, to be mixed
Close chamber to set in back taper, bottom connection disengagement chamber, and two level stator is provided with the porch of disengagement chamber, worn at the top of two level stator
It is enclosed on inside one-level mixed organization, bottom connection two level stator, the bottom of disengagement chamber is row's agent mouth.
Described stripping mechanism includes stripping chamber, and described steam eddy flow distributor annular is arranged on the interior of stripping chamber
Portion, steam eddy flow distributor are that steam distributes post, and steam distribution post is provided with the steam distributing trough for tilting down setting.
Described steam distributing trough is tangentially slotted obliquely, and tangential angle is 30 °~50 °, obliquely angle be 10 °~
15 °, its groove is shaped as rectangle, and the line number that post side wall fluting is distributed along steam is at least eight rows, the rotation side of steam distributing trough
To identical with the direction of rotation of two level mixed organization discharge outlet material.
Described raw material oil gas entrance and steam inlet annular are uniform, at least provided with two.
Described atomizing raw materials nozzle fore-and-aft tilt is arranged on the top of two level mixed organization, the entrance of nozzle and vertical side
To angle at 45 °, at least provided with two, annular is uniformly arranged.
Compared with prior art, beneficial effect possessed by the present invention is:It is multistage the invention provides a kind of catalytic cracking
Integrated reaction and separation swirl-flow devices, it is serious that it overcomes conventional lift pipe catalyst cracker secondary response, easy back-mixing, knot
The drawbacks of burnt, the technological processes such as reaction, separation, stripping are integrated in one;Fast reaction, separation are realized, and in time by coking
Catalyst burns stripping in stripping intracavitary, improves the catalytic effect of catalyst inside device, improves the catalysis of next order reaction
Cracking rate.Meanwhile second order reaction chamber is set, fresh feed can be supplemented in time, further reacted using the catalyst after stripping,
Increase the single cycle treating capacity of device, improve the overall catalytic efficiency of device, reduce the operating cost of device.In addition, this dress
The a variety of catalytic cracking reaction equipment of set are put in one, fundamentally reduce the processing cost of device, it is practical strong.
Brief description of the drawings
Fig. 1 is that the structural diagrams of apparatus of the present invention are intended to;
Fig. 2:A-A schematic diagrames in Fig. 1;
Fig. 3:B-B schematic diagrames in Fig. 1;
Fig. 4:C-C schematic diagrames in Fig. 1;
Fig. 5:D-D schematic diagrames in Fig. 1;
Fig. 6:E-E schematic diagrames in Fig. 1;
Fig. 7:The partial enlarged drawing of I part in Fig. 1;
Fig. 8:The partial enlarged drawing of II part in Fig. 1;
Fig. 9:The partial enlarged drawing of III part in Fig. 1;
Figure 10:The partial enlarged drawing of IV part in Fig. 3;
Figure 11:The partial enlarged drawing of V part in Fig. 5.
Wherein, 1, raw material oil gas entrance 2, one-level hybrid chamber 3, solid phase cone entrance 4, one-level blast pipe 5, former
Material atomization post 6, one-level stator 7, stripping chamber 8, steam distribution post 9, steam inlet 10, atomizing raw materials nozzle
11st, two level hybrid chamber 12, secondary exhaust 13, two level stator 14, disengagement chamber 15, atomizing raw materials groove 16, steam
Distributing trough.
Embodiment
Fig. 1 ~ 11 are highly preferred embodiment of the present invention, and 1 ~ 11 the present invention will be further described below in conjunction with the accompanying drawings.
Referring to the drawings 1:A kind of catalytic cracking reaction of high order isolation integral swirl-flow devices, including mixed reactor, mix
Close reaction unit and be provided with catalyst inlet, raw material oil gas entrance 1 and blast pipe, mixed reactor includes connection up and down and set
Two groups of one-level mixed organization and two level mixed organization, between one-level mixed organization and two level mixed organization connection stripping mechanism,
Blast pipe top is stretched out at the top of one-level mixed organization, and bottom is through stripping mechanism and stretches into inside two level mixed organization;One-level is mixed
The outer middle side part for closing mechanism and stripping mechanism connects horizontally disposed raw material oil gas entrance 1 and steam inlet 9, two level mixing respectively
Atomizing raw materials nozzle 10 is provided with the top of mechanism;Raw material eddy flow mist is respectively equipped with one-level mixed organization and the reaction chamber of stripping mechanism
Makeup is put is respectively equipped with stator with steam eddy flow distributor, the bottom of one-level mixed organization and two level mixed organization.
Raw material oil gas entrance 1 and the annular of steam inlet 9 are uniform, at least provided with two.Incline the longitudinal direction of atomizing raw materials nozzle 10
The top of two level mixed organization is tiltedly arranged on, the entrance of nozzle is in vertical direction with 45 ° of angles, and at least provided with two, annular is
Cloth is set.
One-level mixed organization also includes one-level hybrid chamber 2, solid phase cone entrance 3, one-level blast pipe 4 and one-level stator 6, and one
The top of level hybrid chamber 2 is provided with solid phase cone entrance 3, and bottom is provided with back taper discharging opening, one-level stator 6 is provided with discharging opening, former
Material rotational flow atomization device annular is arranged on inside one-level hybrid chamber 2, is set with one-level exhaust in raw material rotational flow atomization device at center
Pipe 4.Raw material rotational flow atomization device is atomizing raw materials post 5, and atomizing raw materials post 5 is provided with the atomizing raw materials groove for the setting that is inclined upwardly
15.Tangentially annular is distributed on atomizing raw materials post 5 atomizing raw materials groove 15, and tangential angle is 30 °~50 °, and angle is obliquely
10 °~15 °, atomizing raw materials groove 15 is rectangle, and the line number slotted along the side wall of atomizing raw materials groove 15 is at least eight rows, atomizing raw materials groove
15 direction of rotation is opposite with the direction of rotation of one-level stator 6.
Two level mixed organization also includes two level hybrid chamber 11, secondary exhaust 12, two level stator 13 and disengagement chamber 14, two level
Hybrid chamber 11 is set in back taper, bottom connection disengagement chamber 14, and is provided with two level stator 13, two level in the porch of disengagement chamber 14
The top of stator 13 is set on inside one-level mixed organization, bottom connection two level stator 13, and the bottom of disengagement chamber 14 is row's agent mouth.It is excellent
Choosing, one-level blast pipe 4 is co-axially mounted with secondary exhaust 12, and the diameter of one-level blast pipe 4 is more than the straight of secondary exhaust 12
The entrance of one-level blast pipe 4 is stretched into footpath, the outlet section part of secondary exhaust 12, is set in the porch of one-level blast pipe 4
Groove.
Specifically, solid phase cone entrance 3 is connected to the top of one-level hybrid chamber 2, raw material oil gas entrance 1 is radially connected to one
The middle part of level hybrid chamber 2, atomizing raw materials post 5 are coaxially mounted in one-level hybrid chamber 2, and the side wall surrounding of atomizing raw materials post 5 sets original
Expect fog water content 15, described one-level blast pipe 4 is coaxially sequentially communicated solid phase cone entrance 3, one-level hybrid chamber 2 and stripping chamber 7, steamed
Vapour entrance 9 is radially connected to the middle part of stripping chamber 7, and steam distribution post 8 is co-axially located in stripping chamber 7, and steam distributes the side of post 8
Wall surrounding sets steam distributing trough 16, the connection stripping outlet at bottom of chamber 7 of two level hybrid chamber 11, bottom connection disengagement chamber 14, raw material
Atomizer 10 inserts two level hybrid chamber 11, and secondary exhaust 12 is sequentially connected stripping chamber 7, two level hybrid chamber 11 and disengagement chamber
14。
As shown in figure 1, one-level stator 6 is arranged in the post between one-level hybrid chamber 2 and stripping chamber 7, two level stator 13 is set
Put in the disengagement chamber 14 of the bottom of two level hybrid chamber 11.
As shown in Fig. 1, Fig. 3, Fig. 6, atomizing raw materials groove 15 tangentially, and is slotted obliquely, and tangential angle is 30 °~
50 °, angle is 10 °~15 ° obliquely, and its groove is shaped as rectangle, and the line number slotted along the side wall of atomizing raw materials groove 15 is at least
Eight rows, the direction of rotation of atomizing raw materials groove 15 are opposite with the direction of rotation of one-level stator 6.
As shown in Fig. 1, Fig. 5, Fig. 7, steam distributing trough 16 tangentially, and is slotted obliquely, and tangential angle is 30 °~
50 °, angle is 10 °~15 ° obliquely, and its groove is shaped as rectangle, and the line number that the side wall of post 8 fluting is distributed along steam is at least eight
OK, the direction of rotation of steam distributing trough 16 is identical with the direction of rotation of two level stator 13.
As shown in Figure 2, Figure 4 shows, raw material oil gas entrance 1 is evenly arranged in the surrounding of one-level hybrid chamber 2, at least provided with two, steams
Vapour entrance 9 is evenly arranged in the stripping surrounding of chamber 7, at least provided with two.
As shown in Fig. 1, Fig. 8, one-level blast pipe 4 is co-axially mounted with secondary exhaust 12, and the diameter of one-level blast pipe 4 is more than
The entrance of one-level blast pipe 4 is stretched into the diameter of secondary exhaust 12, the outlet section part of secondary exhaust 12, is vented in one-level
The porch of pipe 4 sets groove.
As shown in Fig. 1, Fig. 6, the cavity that two level hybrid chamber 11 is become larger by internal diameter forms with the cavity tapered into, former
Material atomizer 10 is distributed on the cavity that internal diameter becomes larger, and the entrance of nozzle is in vertical direction with 45 ° of angles.
Stripping mechanism includes stripping chamber 7, and steam eddy flow distributor annular is arranged on the inside of stripping chamber 7, steam eddy flow
Distributor is that steam distributes post 8, and steam distribution post 8 is provided with the steam distributing trough 16 for tilting down setting.Steam distributing trough
16 tangentially slot obliquely, and tangential angle is 30 °~50 °, and angle is 10 °~15 ° obliquely, and its groove is shaped as rectangle,
Line number along steam distribution post 8 side wall fluting is at least eight rows, and direction of rotation and the two level mixed organization of steam distributing trough 16 go out
The direction of rotation of material is identical at material mouth.
Operation principle and the course of work:The top of one-level hybrid chamber 2 is solid phase cone entrance 3, and catalyst enters from solid phase cone
Mouth 3 enters one-level hybrid chamber 2, while raw material oil gas enters one-level hybrid chamber 2 by raw material oil gas entrance 1, and raw material oil gas is passing through
When crossing atomizing raw materials post 5, because atomizing raw materials groove 15 is inclined upwardly the characteristic of setting, make the rotation by force of oil-gas formation obliquely vaporific
Stream contacts with catalyst, and the hybrid reaction in one-level hybrid chamber 2, mixture makes rotation by one-level stator 6, in the effect of centrifugal force
Under, catalyst along the side wall of one-level hybrid chamber 2 rotation flows downward, the light oil constituents after raw material oil decomposition close to chamber central to
Lower flowing.
By the reaction of first stage, partial catalyst coking and deactivation, in addition the temperature in device can also reduce, now instead
Product and catalyst is answered to enter stripping chamber 7;Meanwhile steam enters stripping chamber 7 by steam inlet 9, steam passes through in stripping chamber 7
When crossing steam distribution post 8, in the presence of steam distributing trough 16, downward spiral steam stream is formed.Now, into stripping chamber 7
Steam with stripping catalyst, can not only make the catalyst of coking and deactivation burn decarburization, and can be provided for catalyst and oil and gas
Power, accelerate oil gas and catalyst.There is annular entry at one-level blast pipe 4 and the cooperation of secondary exhaust 12, decomposed
Light component oil gas from annular entry enters one-level blast pipe 4 with steam, enters next unit by one-level blast pipe 4.
Mixture by stripping chamber 7 enters two level hybrid chamber 11, and fresh feed is set by the top of two level hybrid chamber 11
Atomizing raw materials nozzle 10 enter two level hybrid chamber 11, carry out secondary hybrid reaction with catalyst, reacted mixture passes through
Two level stator 13 enters disengagement chamber 14.
In disengagement chamber 14, catalyst and product light component Oil-gas Separation, row agent mouth of the catalyst from the bottom of disengagement chamber 14
Discharge, light component oil gas sequentially enters one-level blast pipe 4 and secondary exhaust 12 enters next unit.
A kind of catalytic cracking reaction of high order isolation integral swirl-flow devices visible by above-described embodiment, of the invention, will
The technological processes such as reaction, separation, stripping are integrated in one;Realize fast reaction, separation.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (8)
1. a kind of catalytic cracking reaction of high order isolation integral swirl-flow devices, including mixed reactor, on mixed reactor
Provided with catalyst inlet, raw material oil gas entrance(1)And blast pipe, it is characterised in that:Described mixed reactor is included up and down
Two groups of the one-level mixed organization and two level mixed organization set is connected, vapour is connected between one-level mixed organization and two level mixed organization
Mechanism is put forward, blast pipe top is stretched out at the top of one-level mixed organization, and bottom is through stripping mechanism and stretches into inside two level mixed organization;
One-level mixed organization and the outer middle side part of stripping mechanism connect horizontally disposed raw material oil gas entrance respectively(1)And steam inlet
(9), two level mixed organization top is provided with atomizing raw materials nozzle(10);In one-level mixed organization and the reaction chamber of stripping mechanism respectively
Provided with raw material rotational flow atomization device and steam eddy flow distributor, the bottom of one-level mixed organization and two level mixed organization is set respectively
There is stator;
Described raw material rotational flow atomization device is atomizing raw materials post(5), atomizing raw materials post(5)It is provided with the original for the setting that is inclined upwardly
Expect fog water content(15).
A kind of 2. catalytic cracking reaction of high order isolation integral swirl-flow devices according to claim 1, it is characterised in that:Institute
The one-level mixed organization stated also includes one-level hybrid chamber(2), solid phase cone entrance(3), one-level blast pipe(4)With one-level stator
(6), one-level hybrid chamber(2)Top is provided with solid phase cone entrance(3), bottom is provided with back taper discharging opening, one is provided with discharging opening
Level stator(6), raw material rotational flow atomization device annular is arranged on one-level hybrid chamber(2)Inside, center in raw material rotational flow atomization device
Place's suit one-level blast pipe(4).
A kind of 3. catalytic cracking reaction of high order isolation integral swirl-flow devices according to claim 1, it is characterised in that:Institute
The atomizing raw materials groove stated(15)Tangentially annular is distributed on atomizing raw materials post(5)On, tangential angle is 30 °~50 °, is pressed from both sides obliquely
Angle is 10 °~15 °, atomizing raw materials groove(15)For rectangle, along atomizing raw materials groove(15)The line number of side wall fluting is at least eight rows, former
Expect fog water content(15)Direction of rotation and one-level stator(6)Direction of rotation it is opposite.
A kind of 4. catalytic cracking reaction of high order isolation integral swirl-flow devices according to claim 1, it is characterised in that:Institute
The two level mixed organization stated also includes two level hybrid chamber(11), secondary exhaust(12), two level stator(13)And disengagement chamber(14),
Two level hybrid chamber(11)Set in back taper, bottom connection disengagement chamber(14), and in disengagement chamber(14)Porch be provided with two level
Stator(13), two level stator(13)Top is set on inside one-level mixed organization, bottom connection two level stator(13), disengagement chamber
(14)Bottom for row agent mouth.
A kind of 5. catalytic cracking reaction of high order isolation integral swirl-flow devices according to claim 1, it is characterised in that:Institute
The stripping mechanism stated includes stripping chamber(7), described steam eddy flow distributor annular is arranged on stripping chamber(7)Inside, steam
Vapour eddy flow distributor is that steam distributes post(8), steam distribution post(8)It is provided with the steam distributing trough for tilting down setting
(16).
A kind of 6. catalytic cracking reaction of high order isolation integral swirl-flow devices according to claim 5, it is characterised in that:Institute
The steam distributing trough stated(16)Tangentially to slot obliquely, tangential angle is 30 °~50 °, and angle is 10 °~15 ° obliquely, its
Groove is shaped as rectangle, and post is distributed along steam(8)The line number of side wall fluting is at least eight rows, steam distributing trough(16)Rotation side
To identical with the direction of rotation of two level mixed organization discharge outlet material.
A kind of 7. catalytic cracking reaction of high order isolation integral swirl-flow devices according to claim 1, it is characterised in that:Institute
The raw material oil gas entrance stated(1)And steam inlet(9)It is annular uniform, at least provided with two.
A kind of 8. catalytic cracking reaction of high order isolation integral swirl-flow devices according to claim 1, it is characterised in that:Institute
The atomizing raw materials nozzle stated(10)Fore-and-aft tilt is arranged on the top of two level mixed organization, the entrance of nozzle in vertical direction with
45 ° of angles, at least provided with two, annular is uniformly arranged.
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CN103289726A (en) * | 2012-03-02 | 2013-09-11 | 中国石油大学(北京) | Tube-shell type solid-solid heat exchanger |
CN104946306A (en) * | 2015-05-26 | 2015-09-30 | 中国石油大学(华东) | Combination method for hydrocracking of coal tar whole-fraction suspended bed and hydro-upgrading of fixed bed |
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