CN101665714A - Method and equipment for cooling catalyst for gas-solid reaction - Google Patents
Method and equipment for cooling catalyst for gas-solid reaction Download PDFInfo
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- CN101665714A CN101665714A CN200910066107A CN200910066107A CN101665714A CN 101665714 A CN101665714 A CN 101665714A CN 200910066107 A CN200910066107 A CN 200910066107A CN 200910066107 A CN200910066107 A CN 200910066107A CN 101665714 A CN101665714 A CN 101665714A
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Abstract
The invention discloses a method and equipment for cooling a catalyst for gas-solid reaction. A hot catalyst entering in a catalytic conversion reactor firstly enters in a catalyst cooler; the insideof the cooler is divided into a catalyst conveying zone without heat exchange, a catalyst cooling zone with heat exchange and a cooling control zone, and each zone is respectively provided with a fluidizing agent; and the hot catalyst flowing by the catalyst cooler enters in the reactor for taking part in catalytic conversion reaction after being cooled or partially cooled. The invention also provides the corresponding equipment. The invention can sure that the temperature of the catalyst entering in a riser reactor can be flexibly adjusted, thereby realizing the optimization and the control on the oil ratio of catalytic conversion reactant; a partition board with low cost is combined with a gas distributor to realize cooling control, thereby realizing the flexible adjustment between non-cooling and cooling; and a heat exchanging tube is convenient to detect and repair, thereby reducing the use cost.
Description
Technical field
The present invention relates to a kind of petrochemical industry technology, particularly relate to a kind of cooling catalyst method and equipment thereof that is used for gas-solid phase reaction.
Background technology
Reaction conditions is the important factor of gas-solid phase reaction.The selection of reaction conditions and control are directly connected to reaction conversion ratio and reaction preference in the gas-solid phase reaction process, the technology of existing optimization reactive system operation is a lot, with the catalytic conversion reaction is example, the pre-lift technique of dry gas, mixing temperature control techniques, outlet area sharp separation technology, chilling termination tech etc. all to the reaction result influence obviously, are better used industrial.Many gas-solid reaction process need solid formations such as catalyzer cool off, after being improved, reaction conditions carries out, and especially to gas-solid reaction process as catalytic conversion reaction, can the rising agent oil ratio the suitable cooling of catalyzer, suppress heat cracking reaction, improve the product distribution.
ZL99120517.0 discloses a kind of pipeline of heavy oil catalytic cracking regenerating agent cool-down method, is on the regenerator transfer line heat exchange sleeve to be installed, and the regenerated catalyst after the cooling enters riser reactor and stock oil contact reacts.US4,875, in 994 disclosed residual oil catalysis conversion methods and the device thereof, from in cooler 310, lowering the temperature earlier before demetalization half regenerated catalyst of one section breeding blanket 115 and the vacuum residuum VB contact reacts, enter riser reactor 30 and vacuum distillate VGO contact reacts after lowering the temperature in cooler 410 from the holomorphosis catalyzer of two sections breeding blankets 135, to satisfy the needs of system response control, 310,410 all are provided with heat transfer tube.US5,800,697 disclose a kind of catalytic conversion reaction-renovation process, on revivifier 12 next doors cooling catalyst district 72 is set, from the thermal regenerant of dense bed 66 from export 70 enter cooling area 72 heat exchange to optimal temperature after regeneration standpipe 24, guiding valve 26 enter riser reactor 16 bottoms and participate in reaction, thereby make temperature of reaction become independent variable.ZL200610113673.3 discloses a kind of method for transformation of petroleum hydrocarbon, the regenerated catalyst of heat turns back to reactor bottom by water cooler cooling and contacts with stock oil and carry out cracking reaction, and reclaimable catalyst is through being transported to the mixing tank that recycles after revivifier carries out coke burning regeneration or partly directly enter reactor bottom behind the stripping.ZL200610127585.9 discloses a kind of cracking method for hydrocarbon oil, and the heat exchange in interchanger with hydrocarbon ils and regenerated catalyst makes hydrocarbon ils and the contact reacts in reactor of the regenerated catalyst after the heat exchange after the heat exchange then.ZL200710054738.6 discloses a kind of regenerated catalyst thermoregulation equipment of catalytic cracking unit, on the next door of revivifier dense bed the cooling catalyst device is set, be provided with heat transfer tube in the cooling catalyst device, top is provided with the flue gas return mechanism, along the segmentation of cooling catalyst device vertical height the fluidisation ring is set, the regenerated catalyst through lowering the temperature enters the pre-lifter of riser reactor and participates in reaction.ZL200710054737.1 also discloses a kind of regenerated catalyst thermoregulation device for catalytic cracking equipment, one dividing plate is set in the revivifier dense bed, the revivifier dense bed is divided into two districts, a district is the regeneration scorch region, another district is the cooling catalyst district, the lower partition is provided with the cooler catalyst inlet, and cooling catalyst is provided with heat transfer tube in the district, and the regenerated catalyst through lowering the temperature enters the pre-lifter of riser reactor and participates in reaction.
More than in the disclosed patented technology, heat transfer tube directly is arranged in the thermocatalyst, be that catalyzer is always under the heat exchange state, the catalyzer that participates in follow-up catalyzed reaction all is the catalyzer after the cooling, but in the project implementing process, because feedstock property, field working conditions change, wish that the catalyst temperature that enters reactor can more than have falling temperature technique now and be difficult to reach this requirement according to the needs flexible to the reactive system operation optimization.
Summary of the invention
The main technical problem to be solved in the present invention, be to provide a kind of cooling catalyst method and equipment thereof that is used for gas-solid phase reaction, by subregion in cooling system, the catalyzer of needs being sent into reactor is divided into cooling area and last cooling area, control is through the catalyst flow ratio in two districts, flexible enters the catalyst temperature of reactor, thereby improves the agent-oil ratio of catalytic conversion reaction.
The technical solution used in the present invention is as follows:
A kind of cooling catalyst method that is used for gas-solid phase reaction, it is characterized in that: the thermocatalyst that enters catalytic conversion reactor is introduced into the cooling catalyst device, cooler inside is divided into the catalyst transport district of not heat exchange, the cooling catalyst district and cooling control region three parts of heat exchange, and each district is equipped with fluidizing medium; The thermocatalyst of cooling catalyst device of flowing through is not lowered the temperature or enter reactor after the part cooling and participates in catalytic conversion reaction.
A kind of cooling catalyst method that is used for gas-solid phase reaction of the present invention, its further concrete technical scheme is: described cooler, it is by portion is provided with the cooling dividing plate within it, catalyst flow is controlled dividing plate, the cooler internal space is divided into catalyst transport district, cooling catalyst district and cooling control region, forms the cooling control region between catalyst flow control dividing plate and cooling dividing plate.
A kind of cooling catalyst method that is used for gas-solid phase reaction of the present invention, the thermocatalyst of the described cooling catalyst device of flowing through is not lowered the temperature or through entering the concrete grammar that reactor participates in catalytic conversion reaction after the part cooling can is: when catalytic conversion reaction technology does not require when thermocatalyst lowered the temperature, close the fluidizing medium that enters the cooling catalyst district, make this district be in unfluidized state; The catalyzer that enters the catalyst transport district of not heat exchange in the cooler enters reactor, participates in reaction.
A kind of cooling catalyst method that is used for gas-solid phase reaction of the present invention, the thermocatalyst of the described cooling catalyst device of flowing through is not lowered the temperature or through entering the concrete grammar that reactor participates in catalytic conversion reaction after the part cooling can also is: when catalytic conversion reaction technology does not require when thermocatalyst lowered the temperature, close the fluidizing medium that enters the cooling control region, make this district be in unfluidized state, make the catalyzer in cooling catalyst district not enter the catalyst transport district, do not make the cooling catalyst that enters reactor; The catalyzer that enters the catalyst transport district of not heat exchange in the cooler enters reactor, participates in reaction.
A kind of cooling catalyst method that is used for gas-solid phase reaction of the present invention, the thermocatalyst of the described cooling catalyst device of flowing through is not lowered the temperature or enter the concrete grammar that reactor participates in catalytic conversion reaction after part cooling: when the catalytic conversion reaction processing requirement is lowered the temperature to thermocatalyst, the cooling catalyst district, the fluidizing medium of catalyst transport district and cooling control region is in opened condition simultaneously, this moment, the catalyzer in above-mentioned three districts all was in fluidized state, thermocatalyst from revivifier enters cooling catalyst district and catalyst transport district simultaneously, the catalyzer in cooling catalyst district and heat transfer tube heat exchange cooling, catalyst stream after this cooling mixes with the thermocatalyst in catalyst transport district behind the cooling control region, and the catalyzer that forms lesser temps enters reactor; The temperature of catalyzer that enters reactor by the fluidizing medium amount in cooling catalyst district or/and enter the fluidizing medium amount of cooling control region and regulate.
Fluidizing medium of the present invention is generally pressurized air or water vapor.When being fluidizing medium with the water vapor, water vapor both can play rheomorphism, also can play the effect of the nitrogenous gas of carrying secretly in the stripping catalyst such as nitrogen simultaneously, can partly avoid causing the problem of catalytic conversion reaction selectivity variation because of the catalyst entrainment nitrogenous gas.The fluidizing medium of respectively distinguishing of the present invention is all independently controlled separately, and flow can be regulated by corresponding gas distributor respectively according to processing requirement.
A kind of cooling catalyst equipment that is used for gas-solid phase reaction, this equipment also claims cooler, comprise housing, catalyst inlet, catalyst outlet, it is characterized in that: cooling dividing plate, catalyst flow control dividing plate are set in its housing, is cooling system that the cooler internal space is divided into catalyst transport district, cooling catalyst district and cooling control region, forms the cooling control region between catalyst flow control dividing plate and cooling dividing plate; Cooling dividing plate upper edge is higher or lower than catalyst inlet, in the cooling catalyst district heat transfer tube is installed; In catalyst transport district, cooling catalyst district and the cooling control region one or more layers gas distributor is set.
A kind of cooling catalyst equipment that is used for gas-solid phase reaction of the present invention, its concrete technical scheme can be that described cooler top is provided with the flue gas purger.
A kind of cooling catalyst equipment that is used for gas-solid phase reaction of the present invention, its concrete technical scheme also can be: described cooling dividing plate, catalyst flow control dividing plate are interior bucket formulas or cut apart baffle plate type.
A kind of cooling catalyst equipment that is used for gas-solid phase reaction of the present invention, its concrete technical scheme also can be: when cooling dividing plate upper edge is higher than catalyst inlet, can on this lowers the temperature dividing plate, opening be set catalyst inlet height zone, make catalyzer can enter cooling dividing plate both sides simultaneously.
A kind of cooling catalyst equipment that is used for gas-solid phase reaction of the present invention, its concrete technical scheme also can be: the partition flange is installed on housing top, housing is divided into the heat transfer tube construction section on top, main housing two parts of bottom, and heat transfer tube is installed on the heat transfer tube construction section; To solve the problem that heat transfer tube is fragile in the cooler, inconvenience is overhauled.
Heat transfer tube of the present invention can be along the inboard coil pipe that is provided with of cooling catalyst device housing, also can be along the tubular distance piece of housing medial shaft to setting, also can be other forms of heat transfer tube.
Task of the present invention is achieved in that
1, the thermocatalyst after the regeneration enters the cooling catalyst device, when the catalytic conversion reaction system does not require when thermocatalyst lowered the temperature, the cooling catalyst district or (with) cooling control region fluidizing medium be in closing condition, this moment, the catalyzer in cooling catalyst district did not carry out heat exchange with heat transfer tube, thermocatalyst from revivifier only enters the catalyst transport district, thermocatalyst directly flow through under the fluidizing medium effect in catalyst transport district catalyst transport district, catalyst outlet flow out cooler and enter reactor and participate in reaction;
2, thermocatalyst after the regeneration enters the cooling catalyst device, when the catalytic conversion reaction system requirements is lowered the temperature to thermocatalyst, the cooling catalyst district, the fluidizing medium of catalyst transport district and cooling control region is in opened condition simultaneously, this moment, the catalyzer in above-mentioned three districts all was in fluidized state, thermocatalyst from revivifier enters cooling catalyst district and catalyst transport district simultaneously, thermocatalyst and the heat transfer tube that enter the cooling catalyst district this moment carry out heat exchange, temperature reduces, regulate the fluidizing medium amount of cooling catalyst district or cooling control region, the cooling catalyst district, the catalyzer in the pressure official post cooling catalyst district of cooling control region is constantly carried to the cooling control region, thereby the exchange of realization catalyzer reaches and mixes with the thermocatalyst in catalyst transport district, form the mixed catalyst of lesser temps, flow out cooler through catalyst outlet, enter reactor and participate in catalyzed reaction; When the regenerated catalyst among the present invention is flowed through cooler, can make 0 ℃-160 ℃ of regenerator coolings, the regenerator after the cooling do not return revivifier but directly the dereaction device contact with stock oil and carry out catalytic conversion reaction.
Cooling control region among the present invention can be used as the path of catalyzer when lowering the temperature, and also can regulate the cooling spoke degree of the catalyzer that participates in catalyzed reaction according to cooling control region fluidizing medium amount when cooling catalyst district fluidizing medium amount is constant.
The present invention compared with prior art, its beneficial effect is:
At first, the present invention is because subregion is carried out in employing in the cooling catalyst device, make the catalyst temperature that enters riser reactor can flexible, can select thermocatalyst " zero " heat exchange or part heat exchange according to reactive system processing condition needs and working condition requirement, thereby realization is to the optimization and the control of catalytic conversion reaction agent-oil ratio;
The second, adopt cost to drop into the dividing plate bound gas divider of easily making on low, the engineering and realize the Creative Design of cooling control region, efficiently solve the flexible of catalyzer between not lowering the temperature, lowering the temperature;
The 3rd, the present invention is that the partition flange is installed on the cooler housing at cooling system, and heat transfer tube easy access and replacing have reduced use cost;
The 4th, cooling system of the present invention be cooler finish regulate enter the catalyst temperature of reactor in, can also play the effect of degassing vessel, adopt cool-down method of the present invention and equipment, can save the degassing vessel that existing regenerating unit generally adopts, perhaps the existing degassing vessel of regenerating unit is transformed, be transformed into cooler thereby heat transfer tube is installed.
Description of drawings
Fig. 1: a kind of cooling catalyst method reaction-regenerative device synoptic diagram that is used for gas-solid phase reaction of the present invention.
Fig. 2-4: a kind of cooling catalyst equipment that is used for gas-solid phase reaction of the present invention is the cooler structural representation.
Fig. 5-7: cooling catalyst device A-A, B-B, C-C sectional view among Fig. 2 of the present invention-4.
Fig. 8: catalyst stream is through cooler shown in Figure 2 temperature reduction technology schematic flow sheet not.
Fig. 9: catalyst stream is through cooler temperature reduction technology schematic flow sheet shown in Figure 3.
Figure 10: catalyst stream is through cooler temperature reduction technology schematic flow sheet shown in Figure 4.
Number description: I cooling catalyst district; II catalyst transport district; The III control region that lowers the temperature; 1 reactor; 2 settling vessels; 3 stripping stages; 4 inclined tubes to be generated; 5 guiding valves to be generated; 6 revivifiers; 7,9 regenerator sloped tubes; 71 catalyst inlets; 8a, 8b, 8c cooling catalyst device; 91 catalyst outlets; 10 regeneration guiding valves; 11 flue gas purgers; 12 housings; 19 main housings; 20 heat transfer tube construction sections; 13a, the 13b dividing plate of lowering the temperature; 14 heat transfer tubes; 15a, 15b catalyst flow control dividing plate; 16a, 16b, 16c gas distributor; 17 cooling dividing plate openings; 18 partition flanges; 22,23,24 catalyzer; 33,34,35 pressurized air; 44 flue gases; α cooling dividing plate opening angle.
Embodiment
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing, but protection scope of the present invention includes, but are not limited to this:
Fig. 1 is a kind of cooling catalyst method reaction-regenerative device synoptic diagram that is used for gas-solid phase reaction of the present invention.Cooling catalyst device 8a is installed on the regenerator sloped tube 7,9 between reactor 1 and the revivifier 6, and the 8a top is provided with flue gas purger 11; Its technical process is as follows: the catalyzer in revivifier 6 after the regeneration enters cooler 8a through regenerator sloped tube 7, flue gas returns revivifier 6 by 11, thermocatalyst is not through lowering the temperature or partly flowing out 8a after the cooling, enter reactor 1 by regenerator sloped tube 9, guiding valve 10, the conveying that continues to make progress under the lifting vapor action contacts with stock oil reacts, and catalyzer enters revivifier 6 by regeneration standpipe 4, guiding valve 5 at settling vessel 2, stripping stage 3 respectively and regenerates behind separation, stripping.
Fig. 2 is the cooler structural representation for a kind of cooling catalyst equipment that is used for gas-solid phase reaction of the present invention, cooling catalyst device 8a of the present invention, its A-A to sectional view as shown in Figure 5, comprise housing 12, catalyst inlet 71, catalyst outlet 91, the interior bucket of housing 12 usefulness formula cooling dividing plate 13a, catalyst flow control dividing plate 15a is divided into catalyst transport district II, cooling catalyst district I and cooling control region III three parts, vertically be provided with heat transfer tube 14 in the cooling control region III, I, each district of II and III is provided with gas distributor 16a respectively, 16c and 16b, cooling dividing plate 13a upper edge is lower than catalyst inlet 71, and cooler 8a top is provided with flue gas purger 11.
Fig. 3 is the cooler structural representation for the cooling catalyst equipment that another kind of the present invention is used for gas-solid phase reaction, cooling catalyst device 8b of the present invention, its A-A to sectional view as shown in Figure 5, B-B to sectional view as shown in Figure 6, an interior bucket formula cooling dividing plate 13a upper edge is higher than catalyst inlet 71, arc cooling dividing plate opening 17 is set in catalyst inlet 71 vertical height zones, and cooling dividing plate opening 17 opening angle α are between 30 °-360 °; Partition flange 18 is installed on housing 12, housing 12 is divided into the heat transfer tube construction section 20 on top, main housing 19 2 parts of bottom, heat transfer tube 14 is installed on 20; The same Fig. 2 of all the other position structures; Can pull down 20 during maintenance, change maintenance heat transfer tube 14, need not large-scale lifting rig.
Fig. 4 is the cooler structural representation for the cooling catalyst equipment that the third is used for gas-solid phase reaction of the present invention, cooling catalyst device 8c of the present invention, its C-C to sectional view as shown in Figure 7, housing 12 usefulness separation baffles formulas coolings dividing plate 13b, catalyst flow control dividing plate 15b are divided into catalyst transport district II, cooling catalyst district I and cooling control region III three parts; The same Fig. 2 of all the other position structures.
Fig. 8 is the not temperature reduction technology schematic flow sheet of thermocatalyst by cooler 8a shown in Figure 2: thermocatalyst 22 enters cooler 8a through catalyst inlet 71, enter catalyst transport district II by cooling dividing plate 13a upper edge, flow downward along II, flow out cooler 8a through catalyst outlet 91, flue gas 44 is returned in the revivifier 6 by the flue gas purger 11 at housing 12 tops.Cooler 8a plays the effect of circulation pipeline and degassing vessel in this scheme.
Fig. 9 is the part temperature reduction technology schematic flow sheet of thermocatalyst by cooler 8b shown in Figure 3: thermocatalyst 22 is divided into two portions after catalyst inlet 71 enters cooler 8b, the arc opening 17 of part thermocatalyst 24 on cooling dividing plate 13a enters catalyst transport district II and flows downward along II, another part catalyzer 23 enters among the cooling catalyst district I and carries out heat exchange with heat transfer tube 14, the temperature of catalyzer is by the amount control of the pressurized air 35 that enters cooling control region III and cooling area I and 34 among the I, catalyzer 23 after this cooling contacts with thermocatalyst 24 and forms mixed catalyst 25, flow out cooler 8b through catalyst outlet 91, flue gas 44 is returned in the revivifier 6 by flue gas purger 11, and cooler 8b plays the effect of cooler and degassing vessel in this scheme.
Figure 10 is the part temperature reduction technology schematic flow sheet of thermocatalyst by cooler 8c shown in Figure 4: thermocatalyst 22 is divided into two portions after catalyst inlet 71 enters cooler 8c, part thermocatalyst 24 flows downward along catalyst transport district II, another part thermocatalyst 23 enters among the cooling catalyst district I and carries out heat exchange with heat transfer tube 14, the temperature of catalyzer is by the amount control of the pressurized air 35 that enters cooling control region III and cooling area I and 34 among the I, catalyzer 23 after this cooling contacts with thermocatalyst 24 and forms mixed catalyst 25, flow out cooler 8c through catalyst outlet 91, flue gas 44 is returned in the revivifier 6 by flue gas purger 11.
Embodiment:
Claims (10)
1, a kind of cooling catalyst method that is used for gas-solid phase reaction, it is characterized in that: the thermocatalyst that enters catalytic conversion reactor is introduced into cooling catalyst device (8a, 8b, 8c), cooler inside is divided into the catalyst transport district (II) of not heat exchange, the cooling catalyst district (I) and cooling control region (III) three parts of heat exchange, and each district is equipped with fluidizing medium; The thermocatalyst of cooling catalyst device (8a, 8b, 8c) of flowing through is not lowered the temperature or enter reactor after the part cooling and participates in catalytic conversion reaction.
2, a kind of cooling catalyst method that is used for gas-solid phase reaction according to claim 1, it is characterized in that: described cooler, it is by portion is provided with cooling dividing plate (13a, 13b) within it, catalyst flow is controlled dividing plate (15a, 15b), the cooler internal space is divided into catalyst transport district (II), cooling catalyst district (I) and cooling control region (III), forms cooling catalyst control region (III) between catalyst flow control dividing plate (15a, 15b) and cooling dividing plate (13a, 13b).
3, a kind of cooling catalyst method that is used for gas-solid phase reaction according to claim 1, it is characterized in that: the thermocatalyst of the described cooling catalyst device of flowing through (8a, 8b, 8c) is not lowered the temperature or enter reactor after the part cooling and participates in catalytic conversion reaction, when catalytic conversion reaction technology does not require when thermocatalyst lowered the temperature, close the fluidizing medium that enters cooling catalyst district (I), make this district be in unfluidized state; The catalyzer that enters the catalyst transport district (II) of not heat exchange in the cooler enters reactor, participates in reaction.
4, a kind of cooling catalyst method that is used for gas-solid phase reaction according to claim 1, it is characterized in that: the thermocatalyst of the described cooling catalyst device of flowing through (8a, 8b, 8c) is not lowered the temperature or enter reactor after the part cooling and participates in catalytic conversion reaction, when catalytic conversion reaction technology does not require when thermocatalyst lowered the temperature, close the fluidizing medium that enters cooling control region (III), make this district be in unfluidized state, make the catalyzer in cooling catalyst district (I) not enter catalyst transport district (II), do not make the cooling catalyst that enters reactor; The catalyzer that enters the catalyst transport district (II) of not heat exchange in the cooler enters reactor, participates in reaction.
5, a kind of cooling catalyst method that is used for gas-solid phase reaction according to claim 1, it is characterized in that: the described cooling catalyst device (8a that flows through, 8b, thermocatalyst 8c) is not lowered the temperature or enter reactor after the part cooling and participates in catalytic conversion reaction, when the catalytic conversion reaction processing requirement is lowered the temperature to thermocatalyst, cooling catalyst district (I), the fluidizing medium of catalyst transport district (II) and cooling control region (III) is in opened condition simultaneously, this moment, the catalyzer in above-mentioned three districts all was in fluidized state, thermocatalyst from revivifier (6) enters cooling catalyst district (I) and catalyst transport district (II) simultaneously, the catalyzer in cooling catalyst district (I) and heat transfer tube heat exchange (14) cooling, catalyst stream after this cooling mixes with the thermocatalyst of catalyst transport district (II) behind cooling control region (III), and the catalyzer that forms lesser temps enters reactor; The temperature of catalyzer that enters reactor by the fluidizing medium amount of cooling catalyst district (I) or/and enter the fluidizing medium amount of cooling control region (III) and regulate.
6, a kind of cooling catalyst equipment that is used for gas-solid phase reaction, comprise housing (12), catalyst inlet (71), catalyst outlet (91), it is characterized in that: cooling dividing plate (13a, 13b), catalyst flow control dividing plate (15a, 15b) are set in the described housing, is cooling system that cooler (8a, 8b, 8c) internal space is divided into catalyst transport district (II), cooling catalyst district (I) and cooling control region (III), forms cooling catalyst control region (III) between catalyst flow control dividing plate (15a, 15b) and cooling dividing plate (13a, 13b); Cooling dividing plate (13a, 13b) upper edge is higher or lower than catalyst inlet (71), and heat transfer tube (14) is installed in cooling catalyst district (I); In catalyst transport district (II), cooling catalyst district (I) and the cooling control region (III) one or more layers gas distributor (16a, 16b, 16c) is set.
7, a kind of cooling catalyst equipment that is used for gas-solid phase reaction according to claim 6 is characterized in that: described cooler (8a, 8b, 8c) top is provided with flue gas purger (11).
8, a kind of cooling catalyst equipment that is used for gas-solid phase reaction according to claim 6 is characterized in that: described cooling dividing plate (13a, 13b), flow control dividing plate (15a, 15b) are interior bucket formulas or cut apart baffle plate type.
9, a kind of cooling catalyst equipment that is used for gas-solid phase reaction according to claim 6, it is characterized in that: when described cooling dividing plate (13a) upper edge was higher than catalyst inlet (71), catalyst inlet height zone was provided with opening on this cooling dividing plate.
10, a kind of cooling catalyst equipment that is used for gas-solid phase reaction according to claim 6, it is characterized in that:: partition flange (18) is installed on described housing (12) top, housing is divided into the heat transfer tube construction section (20) on top, main housing (19) two parts of bottom, and heat transfer tube (14) is installed on the heat transfer tube construction section.
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| CN105505441A (en) * | 2016-01-06 | 2016-04-20 | 石宝珍 | Catalytic cracking reaction regeneration method and device |
| CN104945211B (en) * | 2014-10-08 | 2017-01-11 | 青岛京润石化工程有限公司 | Heat extraction and catalyst circulation method in catalytic reaction for preparing hydrocarbons from methanol |
| CN108224821A (en) * | 2017-12-28 | 2018-06-29 | 中石化炼化工程（集团）股份有限公司 | A kind of interior interior heat collecting device and apply its chemical system |
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| CN101665714B (en) | 2012-09-05 |
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