CN110132676A - A kind of method that Fast simulation FCC apparatus three revolves the system of single tube and smoke machine fouling and prepares the dirty sample of simulation - Google Patents
A kind of method that Fast simulation FCC apparatus three revolves the system of single tube and smoke machine fouling and prepares the dirty sample of simulation Download PDFInfo
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- CN110132676A CN110132676A CN201910448509.5A CN201910448509A CN110132676A CN 110132676 A CN110132676 A CN 110132676A CN 201910448509 A CN201910448509 A CN 201910448509A CN 110132676 A CN110132676 A CN 110132676A
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Abstract
A kind of method that Fast simulation FCC apparatus three revolves the system of single tube and smoke machine fouling and prepares the dirty sample of simulation, it is related to fluid catalytic cracking technology field, including gasification burner, air-heating furnace, catalyst addition system, catalyst heating furnace, oxidizing sulfur dioxide furnace and reacting furnace, air-heating furnace and catalyst addition system pass through piping connection catalyst heating furnace, catalyst heating furnace, solution boils furnace and oxidizing sulfur dioxide furnace pass through setting pipeline connection and carry out hybrid reaction into reacting furnace, any one in three rotation single tube models (referred to as " three rotation single tubes ") and smoke machine model (referred to as " smoke machine ") is provided in reacting furnace.The shortcomings that preparation method can prepare representative strong simulation dirt sample within a short period of time, overcome existing three rotation single tube of simulation and smoke machine fouling technology is, it can be achieved that three rotation single tubes and smoke machine quickly and effectively fouling.
Description
Technical field
The present invention relates to fluid catalytic cracking technology fields, revolve list in particular to a kind of Fast simulation FCC apparatus three
The method that the system and preparation of pipe and smoke machine fouling simulate dirty sample.
Background technique
Currently, fluid catalytic cracking (FCC) device three revolves single tube or smoke machine fouling of catalyst phenomenon is more universal, three are caused
Efficiency decline is revolved, smoke machine failure rate increases.And then make flue gas turbine inlet catalyst dust concentration over-standard, reach 300~500mg/m3,
Cause smoke machine blade fouling and serious wear, causes smoke machine vibration exceeding the standard and emergency shutdown, it is steady to seriously affect FCC apparatus long period
Fixed operation.Therefore, exploitation FCC apparatus three revolves single tube or smoke machine good antiscale property technology is very necessary.
FCC apparatus three revolves single tube or smoke machine scaling cause mainly includes two aspects that first is that a large amount of catalyst fines formation finish
The basic substance of dirt, catalyst fines have electrostatic adsorption；Second is that cementitious substance exists, such as sulfur-bearing, calcium, iron, phosphorus
Equal salts, easily form the substances such as low melting sulfate, phosphate at high temperature, are bonded in three rotation single tube wall surfaces or smoke machine blade
On, especially when device, which operates, fluctuation is occurred, generate 700 DEG C or so of high temperature, scale formation is more serious.
The reason of revolving single tube or smoke machine fouling for FCC apparatus three, coating protection can be used as FCC apparatus three and revolve single tube and cigarette
One of the method for machine good antiscale property, and it is to carry out coating scale-preventing performance to grind that the laboratory of three rotation single tubes and smoke machine dirt sample, which quickly prepares,
The basis studied carefully can carry out the evaluation of coating scale-preventing performance on this basis.In the operation of three cyclone of FCC apparatus, single tube/
Smoke machine fouling will often undergo some months or longer time that could be formed, if simulation can be prepared quickly in a laboratory environment
Dirty sample is then conducive to the research of coating scale-preventing performance, facilitates the screening of protective coating.
Currently, in terms of simulating dirty sample preparation, frequently with sintering process.With three rotation single tubes and smoke machine blade same material
The catalyst sample of equivalent is placed on rectangle sample, and adds related reagent, and static state high-temperature burning is carried out in high temperature Muffle furnace
Knot test is to prepare dirty sample, to simulate fouling operating condition.Although tying the ingredient for simulating dirty sample and the dirty sample of industry being close, above-mentioned burning
There are distinct disadvantages for knot method: 1. to simulate dirty sample itself cohesive strengths lower, touches i.e. broken, and pattern is poor；2. simulate dirty sample with
Parent metal is not bonded；3. sintering test is static test, and discontinuously charging, and actual condition is dynamic continuous feed, because
This, simulation dirt sample prepared by static sintering test is representative poor.
Summary of the invention
The purpose of the present invention is to provide a kind of Fast simulation FCC apparatus three rotation single tube and the systems of smoke machine fouling.It can be real
Now make three rotation single tubes and the quickly and effectively fouling of smoke machine blade in a laboratory environment, is convenient for the research of coating tartar preventing test.
Another object of the present invention is to provide a kind of Fast simulation FCC apparatus three rotation single tube and the system systems of smoke machine fouling
The standby method for simulating dirty sample.This method can prepare representative strong simulation dirt sample within a short period of time, overcome existing simulation
The shortcomings that three rotation single tubes and smoke machine fouling technology, is, it can be achieved that three rotation single tubes and smoke machine quickly and effectively fouling.
The present invention is implemented as follows:
The system that a kind of Fast simulation FCC apparatus three revolves single tube and smoke machine fouling, including gasification burner, air-heating furnace are urged
Agent charging system, catalyst heating furnace, oxidizing sulfur dioxide furnace and reacting furnace, air-heating furnace and catalyst addition system are equal
By piping connection catalyst heating furnace, catalyst heating furnace, solution boils furnace and oxidizing sulfur dioxide furnace pass through setting pipe
Road is connected in reacting furnace, and any one in three rotation single tubes and smoke machine is provided in reacting furnace, and three rotation single tubes are single by three rotations
Pipe outer wall is fixedly connected with reacting furnace inner wall, and smoke machine includes the shell of peripheral hardware, and is fixedly connected by shell with reacting furnace inner wall,
Three rotation single tubes or smoke machine are provided with feed end and are connected to by feed end with feeding pipe.
In the present invention using in preferred embodiment, above-mentioned gasification burner is also connected with solubilizer system, and reacting furnace passes through gas
Road pipeline is connected to exhaust treatment system.
In the present invention using in preferred embodiment, above-mentioned three rotations single tube includes Disjoint Cone, air inlet pipe and exhaust pipe, into
The inside pipe wall of tracheae and the tangent connection of the inner sidewall of Disjoint Cone are simultaneously connected to Disjoint Cone inside, the bottom connection of Disjoint Cone
Exhaust pipe, air inlet pipe are connected to feeding pipe.
A kind of Fast simulation FCC apparatus three revolves the method that dirty sample is simulated in the system preparation of single tube and smoke machine fouling, including according to
The following steps of secondary progress: starting air-heating furnace, oxidizing sulfur dioxide furnace and reacting furnace, air is after air-heating furnace heats
The catalyst being added by catalyst addition system is blown in catalyst heating furnace by the road and is heated；Sulfur dioxide is in dioxy
Change partial oxidation in sulphur oxidation furnace and forms sulfide SOX, the solution after vaporizing in solution boils furnace enters reacting furnace by pipeline
In with catalyst, air, the SO in reacting furnace are respectively enterd by pipelineXFouling reaction is carried out, finally in three rotation single tubes or cigarette
Machine surface scale.
In the present invention using in preferred embodiment, the temperature of the air in above-mentioned air-heating furnace is 650-780 DEG C,
The temperature of Solid raw materials in catalyst heating furnace is 650-780 DEG C, the SO in oxidizing sulfur dioxide furnaceXTemperature be 450-
550 DEG C, the temperature of the solution after vaporizing in solution boils furnace is 650-780 DEG C, and the reaction temperature of reacting furnace is 500-780
℃；
Preferably, the temperature of the air in air-heating furnace is 680-750 DEG C, the Solid raw materials in catalyst heating furnace
Temperature be 680-750 DEG C, the SO in oxidizing sulfur dioxide furnaceXTemperature be 470-520 DEG C, after vaporizing in solution boils furnace
The temperature of solution be 680-750 DEG C, the reaction temperature of reacting furnace is 680-750 DEG C.
It is applied in preferred embodiment in the present invention, above-mentioned 40-80h a length of in the reaction of three rotation single tube surface scales,
A length of 50-100h in the reaction of smoke machine blade surface fouling.
In the present invention using in preferred embodiment, the primary raw material of above-mentioned three rotations single tube fouling reaction includes following weight
The component of score: FCC catalyst: 11.4~26.62wt%, SO2: 2.00~4.60wt%, CaCl2: 0.36~0.83wt%,
(NH4)2HPO4: 0.36~0.83wt%, NaHSO4: 0.18~0.42wt% and vapor: 66.7~85.7wt%.
In the present invention using in preferred embodiment, the primary raw material of above-mentioned smoke machine fouling reaction includes following weight fraction
Component: FCC catalyst: 8.20~35.90wt%, SO2: 1.44~6.90wt%, CaCl2: 0.26~1.14wt%,
(NH4)2HPO4: 0.26~0.88wt%, NaHSO4: 0.13~0.44wt% and vapor: 56.30~83.90wt%.
In the present invention using in preferred embodiment, above-mentioned further includes to CaCl2、(NH4)2HPO4And NaHSO4Distinguished
Grinding, and 1250 meshes are crossed, make partial size less than 10 μm.
In the present invention using in preferred embodiment, above-mentioned feeding manner following (1) and (2) is shown:
(1) by CaCl2、(NH4)2HPO4And NaHSO4It is used as solid matter raw material after mixing with FCC catalyst, uses distilled water
Individually charging is used as liquid phase substance raw material after heating vaporization；
(2) by catalyst and CaCl2Mixing is used as solid matter raw material, distilled water and (NH4)2HPO4And NaHSO4Mixing
Solution is made, liquid phase substance raw material will be used as after mixed solution heating vaporization.
Compared with prior art, the beneficial effects of the present invention are:
The present invention provides systems and preparation method that Fast simulation FCC apparatus three revolves single tube and smoke machine fouling, and flue gas can
Rotational flow in single tubes and smoke machine model is revolved three or blows the rotation of smoke machine impeller, and fouling reaction occurs, closer to reality
The operating condition of flue gas rotational flow in three rotation single tubes and smoke machine；
Fast simulation FCC apparatus three provided by the present invention revolves system and the preparation method automation of single tube and smoke machine fouling
Degree it is high, it can be achieved that heating furnace automatic heating, temperature control and Solid raw materials, liquid phase feed and gas phase raw materials amount accurate meter
Amount；
Simulation dirt sample itself cohesive strength prepared by the present invention is higher, and quality is hard, and pattern is preferable, simulates dirty sample and base
Body metal surface bond strength is high, simulates dirty sample element composition and practical dirty sample is almost the same；
The present invention can be achieved continuous dynamic and feed, and each component ratio is consistent in real time, and it is representative strong to simulate dirty sample.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the device figure that Fast simulation FCC apparatus three revolves single tube fouling；
Fig. 2 is three rotation single tube model structures；
Fig. 3 is that three rotation single tubes of embodiment 1 simulate dirty master drawing；
Fig. 4 is that three rotation single tubes of embodiment 2 simulate dirty master drawing；
Fig. 5 is that three rotation single tubes of embodiment 3 simulate dirty master drawing；
Fig. 6 is smoke machine impeller pattern figure；
Fig. 7 is that the smoke machine impeller of embodiment 4 simulates dirty master drawing；
Fig. 8 is that the smoke machine impeller of embodiment 5 simulates dirty master drawing；
Fig. 9 is that the smoke machine impeller of embodiment 6 simulates dirty master drawing.
Icon: 1- water-adding system；2- solution boils furnace；3- air-heating furnace；4- catalyst addition system；5- catalyst adds
Hot stove；6- oxidizing sulfur dioxide furnace；7- reacting furnace；71- feeding pipe；8- exhaust treatment system；10- tri- revolves single tube；11- separation
Cone；12- air inlet pipe；121- feed end；13- exhaust pipe.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside", " clockwise ", " counterclockwise " is orientation based on the figure
Or positional relationship or the invention product using when the orientation or positional relationship usually put, be merely for convenience of description this
Invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " etc. are only used
It is described in distinguishing, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment 1
Refering to Figure 1, the device that Fast simulation FCC apparatus three revolves single tube fouling includes water-adding system 1, solution boils
Furnace 2, air-heating furnace 3, catalyst addition system 4, catalyst heating furnace 5, oxidizing sulfur dioxide furnace 6, at reacting furnace 7 and tail gas
Reason system 8, main wind air reach 750 DEG C through 3 temperature after heating of air-heating furnace.
By catalyst, CaCl2、(NH4)2HPO4And NaHSO4It is ground respectively, is sieved, taken with the sieve of 1250 mesh
Sieved object carries out mixing as solid matter raw material, wherein control cocatalyst feed rate is 186.0g/h, CaCl2Feed rate
For 5.8g/h, (NH4)2HPO4Feed rate is 5.8g/h, NaHSO4Feed rate is 2.9g/h.By solid matter raw material by urging
After pipeline is added in agent heating system 4, Jing Zhufeng air is blown into catalyst heating furnace 5 and is heated, and is heated to solid matter
Material temperature is 750 DEG C.
Distilled water is delivered in solution boils furnace 2 by water-adding system 1 and is vaporized, can also will be steamed by centrifugal pump
Distilled water is delivered in solution boils furnace 2 and is vaporized, and vapourizing temperature is 700 DEG C.The feed rate of distilled water is 900g/h.
Sulfur dioxide and air carry out partial oxidation reaction in oxidizing sulfur dioxide furnace 6, generate SOX, control SO2Into
Material rate is 200NmL/min, is used for SO2The air feeding rate of oxidation is 700NmL/min；Three rotation 10 air inlet pipe of single tube into
Gas velocity rate is 28m/s, SOXTemperature be 450 DEG C.The present invention is in solution boils furnace 2, air-heating furnace 3, catalyst heating furnace 5,
Thermometer, temperature regulating device and flowmeter are provided on oxidizing sulfur dioxide furnace 6 and reacting furnace 7, and can be according to demand to each
Heating furnace carries out automatic heating, temperature control, the accurate metering of inlet amount.The present invention can be achieved continuous dynamic and feed, each component ratio
It is consistent in real time, it is representative strong to simulate dirty sample.
By vapor, solid matter raw material, SOXAfter mixing in feeding pipe 71, reaction is entered under the action of air-flow
In furnace 7, the feed end 121 of Jing Sanxuan single tube 10 carries out rotational flow in three rotation single tubes 10, referring to shown in Fig. 2, air-flow edge point
Tangential entrance from cone 11 carries out fouling reaction in the inner wall of three rotation single tubes 10, reacts 50h, the residual gas warp after reaction
The exhaust pipe 13 of 11 bottom of Disjoint Cone is expelled in pipeline, and pipeline connection is into exhaust treatment system 8, after processing is up to standard,
Finally it is discharged in atmosphere.After overtesting, obtains three rotation single tubes and simulate dirty sample 1, referring to shown in Fig. 3.
Embodiment 2
By catalyst, CaCl2、(NH4)2HPO4And NaHSO4It is ground respectively, crosses 1250 meshes, sieved object is taken to be mixed
Cooperation is solid matter raw material, and the feed rate for controlling catalyst is 186.0g/h, CaCl2Feed rate is 5.8g/h, (NH4)2HPO4Feed rate is 5.8g/h, NaHSO4Feed rate is 2.9g/h；Water feed rate is 1500g/h；SO2Feed rate is
200NmL/min, SO2The air feeding rate of oxidation is 700NmL/min；Three rotation single tube air inlet pipe 12 feed rate be
28m/s；Controlling main wind air themperature is 750 DEG C；Steam temperature is 700 DEG C；SOXTemperature is 450 DEG C；Solid raw materials charging temperature
Degree is 750 DEG C；Reaction time is 70h.Three rotation single tubes are obtained after testing and simulate dirty sample 2, referring to shown in Fig. 4.
Embodiment 3
By catalyst, CaCl2、(NH4)2HPO4And NaHSO4It is ground respectively, crosses 1250 meshes, sieved object is taken to be mixed
Cooperation is solid matter raw material.The feed rate for controlling catalyst is 279.0g/h, CaCl2Feed rate is 8.7g/h, (NH4)2HPO4Feed rate is 8.7g/h, NaHSO4Feed rate is 4.4g/h；Water feed rate is 1500g/h；SO2Feed rate is
200NmL/min, SO2Oxidation air feed rate is 700NmL/min；The feed rate of air inlet pipe 12 of three rotation single tubes 10 is
28m/s；Controlling main wind air themperature is 750 DEG C；Steam temperature is 700 DEG C；SOXTemperature is 450 DEG C；Solid raw materials charging temperature
Degree is 750 DEG C；The fouling reaction time is 70h.Three rotation single tubes are obtained after testing and simulate dirty sample 3, referring to Figure 5.
The three dirty samples of rotation single tubes simulation in single tube dirt sample and embodiment 1 are revolved in industry three to analyze using X-ray fluorescence spectra
Carry out main component comparison, testing result referring to shown in table 1, by table 1 it can be concluded that, embodiment 1 simulate dirty sample element composition with
Actual industrial dirt sample is almost the same, and it is representative strong to simulate dirty sample.
Single tube dirt sample is revolved in 1 industry three of table and the quasi- dirty sample main component of test sheet pipe die compares
Embodiment 4
A kind of device for Fast simulation FCC apparatus smoke machine fouling is present embodiments provided, is existed with the difference of embodiment 1
In being provided with smoke machine impeller pattern in reacting furnace 7, wherein for the illustraton of model of smoke machine impeller referring to shown in Fig. 6, smoke machine includes peripheral hardware
Shell, and be fixedly connected by shell with reacting furnace inner wall, smoke machine is provided with feed end and is connected by feed end and feeding pipe
It is logical.The present invention can successfully prepare FCC apparatus smoke machine within 50~100h and effectively simulate dirty sample, representative strong；And it is existing
The preparation of static sintering technology simulate time of dirty sample and be generally within 10h, although the time is short, simulate the representativeness of dirty sample
Difference；And industrial FCC apparatus smoke machine fouling will often undergo the time of some months or even several years that could be formed.It is burnt in contrast to static state
Junction dirt and industrial fouling, the present invention can prepare representative strong simulation dirt sample within a short period of time, overcome existing simulation
The shortcomings that smoke machine fouling technology, is, it can be achieved that smoke machine quickly and effectively fouling.
By catalyst, CaCl2、(NH4)2HPO4And NaHSO4It is ground respectively, is sieved, taken with the sieve of 1250 mesh
Sieved object carries out mixing as solid matter raw material, and wherein cocatalyst feed rate is 279.0g/h, CaCl2Feed rate is
8.7g/h, (NH4)2HPO4Feed rate is 8.7g/h, NaHSO4Feed rate is 4.35g/h；Water feed rate is 2000g/h；
SO2Feed rate is 200NmL/min, SO2The air feeding rate of oxidation is 700NmL/min；Main air temperature is 750 DEG C；Water
Steam temperature is 700 DEG C；SOXTemperature is 450 DEG C；Solid raw materials feeding temperature is 750 DEG C；The fouling reaction time is 70h.Through trying
Smoke machine impeller is obtained after testing and simulates dirty sample 1, referring to shown in Fig. 7.
Embodiment 5
By catalyst, CaCl2、(NH4)2HPO4And NaHSO4It is ground respectively, crosses 1250 meshes, sieved object is taken to be mixed
Cooperation is solid matter raw material, and wherein cocatalyst feed rate is 242.0g/h, CaCl2Feed rate is 7.54g/h, (NH4)2HPO4Feed rate is 7.54g/h, NaHSO4Feed rate is 3.77g/h；Water feed rate is 2000g/h；SO2Feed rate
For 200NmL/min, SO2The air feeding rate of oxidation is 700NmL/min；Main air temperature is 750 DEG C；Steam temperature is
700℃；SOXTemperature is 450 DEG C；Solid raw materials feeding temperature is 750 DEG C；The fouling reaction time is 80h.Cigarette is obtained after testing
Machine impeller simulates dirty sample 2, referring to shown in Fig. 8.
Embodiment 6
By catalyst and CaCl2It is ground respectively, crosses 1250 meshes, take sieved object to carry out mixing former as solid matter
Material, (NH4)2HPO4、NaHSO4Be mixedly configured into solution as liquid phase substance raw material with distilled water.Wherein catalyst charge
Rate is 230.0g/h, CaCl2Feed rate is 7.27g/h, (NH4)2HPO4Feed rate is 5.6g/h, NaHSO4Feed rate
For 2.80g/h；Water feed rate is 360g/h；SO2Feed rate is 200NmL/min, SO2The air feeding rate of oxidation is
700NmL/min；Main wind air themperature is 750 DEG C；Vapor (steam) temperature is 700 DEG C；SOXTemperature is 450 DEG C；Solid raw materials charging temperature
Degree is 750 DEG C；The fouling reaction time is 50h.Smoke machine impeller is obtained after testing and simulates dirty sample 3, referring to shown in Fig. 9.
Smoke machine in industrial smoke machine dirt sample and embodiment 5 is simulated into dirty sample and carries out main component comparison, testing result reference
Shown in table 2, by table 2, it can be concluded that, embodiment 5 simulates smoke machine dirt sample element and forms, simulation almost the same with actual industrial dirt sample
Dirty sample is representative strong.
The industrial smoke machine dirt sample of table 2 and test smoke machine simulate dirty sample main component comparison (%)
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the system that a kind of Fast simulation FCC apparatus three revolves single tube and smoke machine fouling, which is characterized in that including gasification burner, air
Heating furnace, catalyst addition system, catalyst heating furnace, oxidizing sulfur dioxide furnace and reacting furnace, the air-heating furnace and institute
It states catalyst addition system and passes through piping connection catalyst heating furnace, the catalyst heating furnace, the gasification burner and described
Oxidizing sulfur dioxide furnace passes through setting feeding pipe and is connected in reacting furnace, and three rotation single tubes and cigarette are provided in the reacting furnace
Any one in machine, the three rotation single tube revolve single tube outer walls by three and are fixedly connected with the reacting furnace inner wall, the smoke machine
Shell including peripheral hardware, and be fixedly connected by shell with the reacting furnace inner wall, the three rotation single tube or smoke machine setting
There is feed end and is connected to by feed end with the feeding pipe.
2. the system that Fast simulation FCC apparatus three according to claim 1 revolves single tube and smoke machine fouling, which is characterized in that
The gasification burner is also connected with solubilizer system, and the reacting furnace is connected to by gas path pipe with exhaust treatment system.
3. the system that Fast simulation FCC apparatus three according to claim 1 revolves single tube and smoke machine fouling, which is characterized in that
The three rotations single tube includes Disjoint Cone, air inlet pipe and exhaust pipe, and the inside pipe wall of the air inlet pipe is interior with the Disjoint Cone
The tangent connection of side wall simultaneously be connected to inside the Disjoint Cone, the bottom connection exhaust pipe of the Disjoint Cone, it is described into
Tracheae is connected to the feeding pipe.
4. a kind of be using what Fast simulation FCC apparatus three as described in any one of claims 1-3 revolved single tube and smoke machine fouling
The method that dirty sample is simulated in the preparation of system, which is characterized in that including the following steps successively carried out: starting air-heating furnace, dioxy
Change sulphur oxidation furnace and reacting furnace, the catalysis that air is added will by catalyst addition system after air-heating furnace heats through pipeline
Agent is blown into catalyst heating furnace and is heated；Sulfur dioxide partial oxidation in oxidizing sulfur dioxide furnace forms sulfide
SOX, the solution after vaporizing in solution boils furnace entered in reacting furnace by pipeline and respectively enterd in reacting furnace by pipeline
Catalyst, air, SOXFouling reaction is carried out, finally in three rotation single tubes or smoke machine surface scale.
5. Fast simulation FCC apparatus three according to claim 4 revolves single tube and dirty sample is simulated in the system preparation of smoke machine fouling
Method, which is characterized in that the temperature of the air in the air-heating furnace is 650-780 DEG C, in the catalyst heating furnace
The temperature of Solid raw materials be 650-780 DEG C, the SO in the oxidizing sulfur dioxide furnaceXTemperature be 450-550 DEG C, it is described
The temperature of solution after vaporizing in solution boils furnace is 650-780 DEG C, and the reaction temperature of the reacting furnace is 500-780 DEG C；
Preferably, the temperature of the air in the air-heating furnace is 680-750 DEG C, the solid phase in the catalyst heating furnace
The temperature of raw material is 680-750 DEG C, the SO in the oxidizing sulfur dioxide furnaceXTemperature be 470-520 DEG C, the solution vapour
The temperature for changing the solution after vaporizing in furnace is 680-750 DEG C, and the reaction temperature of the reacting furnace is 680-750 DEG C.
6. Fast simulation FCC apparatus three according to claim 4 revolves single tube and dirty sample is simulated in the system preparation of smoke machine fouling
Method, which is characterized in that a length of 40-80h in the reaction of three rotation single tube surface scales, in smoke machine blade surface fouling
A length of 50-100h when reaction.
7. Fast simulation FCC apparatus three according to claim 4 revolves single tube and dirty sample is simulated in the system preparation of smoke machine fouling
Method, which is characterized in that it is described three rotation single tube fouling reaction primary raw material include following weight fraction component: FCC is urged
Agent: 11.4~26.62wt%, SO2: 2.00~4.60wt%, CaCl2: 0.36~0.83wt%, (NH4)2HPO4: 0.36~
0.83wt%, NaHSO4: 0.18~0.42wt% and vapor: 66.7~85.7wt%.
8. Fast simulation FCC apparatus three according to claim 4 revolves single tube and dirty sample is simulated in the system preparation of smoke machine fouling
Method, which is characterized in that the primary raw material of smoke machine fouling reaction includes the component of following weight fraction: FCC catalyst:
8.20~35.90wt%, SO2: 1.44~6.90wt%, CaCl2: 0.26~1.14wt%, (NH4)2HPO4: 0.26~
0.88wt%, NaHSO4: 0.13~0.44wt% and vapor: 56.30~83.90wt%.
9. being prepared according to the system that the described in any item Fast simulation FCC apparatus three of claim 7-8 revolve single tube and smoke machine fouling
The method for simulating dirty sample, which is characterized in that the CaCl2、(NH4)2HPO4And NaHSO4Partial size less than 10 μm.
10. Fast simulation FCC apparatus three according to claim 8 revolves single tube and dirty sample is simulated in the system preparation of smoke machine fouling
Method, which is characterized in that the feeding manner of solid matter and liquid phase substance following (1) and (2) is shown:
(1) by CaCl2、(NH4)2HPO4And NaHSO4Solid matter raw material is used as after mixing with FCC catalyst, it is independent with distilled water
Charging is used as liquid phase substance raw material after heating vaporization；
(2) by catalyst and CaCl2Mixing is used as solid matter raw material, distilled water and (NH4)2HPO4And NaHSO4It is mixed
Solution will be used as liquid phase substance raw material after mixed solution heating vaporization.
Priority Applications (1)
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