CN202410625U - Rotary type continuous feeding fixed bed reactor - Google Patents
Rotary type continuous feeding fixed bed reactor Download PDFInfo
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- CN202410625U CN202410625U CN2011205240516U CN201120524051U CN202410625U CN 202410625 U CN202410625 U CN 202410625U CN 2011205240516 U CN2011205240516 U CN 2011205240516U CN 201120524051 U CN201120524051 U CN 201120524051U CN 202410625 U CN202410625 U CN 202410625U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims description 16
- 230000008929 regeneration Effects 0.000 claims description 15
- 238000011069 regeneration method Methods 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 4
- 238000011068 loading method Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 18
- 239000012530 fluid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000006555 catalytic reaction Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 229910017773 Cu-Zn-Al Inorganic materials 0.000 description 2
- 230000010405 clearance mechanism Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to rotary type continuous feeding fixed bed reactor, and belongs to the technical field of catalytic fixed bed reactors. The rotary type continuous feeding fixed bed reactor comprises four reaction kettles, four trays, a turntable, movable sealing joints, air inlet pipes, air exhaust pipes and a power transmission mechanism, wherein the air inlet pipes and the air exhaust pipes are connected with air inlets and air outlets of the reactors; the four reaction kettles are uniformly and symmetrically fixed on the turntable through the four trays; the air inlet and the air outlet of each reaction kettle are connected with a corresponding air inlet pipe and a corresponding air exhaust pipe respectively through the movable sealing joints at a station I to a station IV; a motor output shaft is connected with a turntable shaft; a reaction air inlet pipe is butted with the air inlet of the reaction kettle at the station I, and a heat exchange sleeve is sleeved on the reaction air inlet pipe; and an air inlet of the heat exchange sleeve is connected with the air outlet of the reaction kettle at a replacement station III, and an air outlet of the heat exchange sleeve is communicated with the atmosphere. The rotary type continuous feeding fixed bed reactor has the advantages of stable production and high treating capacity, overcomes the defect that the conventional fixed bed reactor cannot realize continuous production, and can realize high-efficiency, energy-saving, continuous, stable and large-scale production.
Description
Technical field
The utility model relates to a kind of rotary continuous feed fixed bed reactors, belongs to catalytic fixed bed reactor technology field.
Background technology
Fixed bed reactors are claimed packed bed reactor again, are filled with solid catalyst or solid reactant in order to realize a kind of reactor of heterogeneous reaction process.Solids is graininess usually, about particle diameter 2～15mm, is piled into the bed of certain altitude (or thickness).The bed transfixion, fluid reacts through bed.The difference of it and fluidized-bed reactor and moving-burden bed reactor is that solid particle remains static.Fixed bed reactors are mainly used in the realization gas-solid catalysis.When being used for gas-solid phase or liquid-solid phase uncatalyzed reaction, bed is then loaded solid reactant.
Fixed bed reactors have three kinds of citation forms: (1) is the heat-insulating fixed bed reactors axially.The fluid bed of flowing through from top to bottom vertically, bed is with extraneous no heat exchange.(2) radially to the heat-insulating fixed bed reactors.Fluid radially flows through bed, can adopt centrifugal flow or entad flow the together extraneous no heat exchange of bed.(3) calandria type fixed bed reactor is made up of many reaction tube parallel connections.Radial reactor is compared with axial flow reactor, and the distance that fluid flows is shorter, and cross section of fluid channel is long-pending bigger, and the pressure of fluid falls less.But the structure of radial reactor is complicated than axial flow reactor.More than two kinds of forms all belong to adiabatic reactor, be applicable to that reaction heat effect is little, or reaction system can bear the occasion of the variations in temperature that is caused by reaction heat effect under the adiabatic condition.Calandria type fixed bed reactor is applicable to the reaction that reaction heat effect is bigger.In addition, the reactor that is formed by above-mentioned citation form tandem compound is arranged still, be called multistage fixed bed reactor.For example: big or when needing segmentation control temperature when reaction heat effect, can a plurality of adiabatic reactors be connected into multistage heat-insulating fixed bed reactors, establish heat exchanger or additional material between the reactor regulating temperature, so that operate under the optimal temperature conditions approaching.
Fixed bed reactors have plurality of advantages: (1) back-mixing is little, and fluid can effectively contact with catalyst, can be than high selectivity when reacting with the series connection side reaction.(2) the catalyst mechanical loss is little.(3) simple in structure.But fixed bed reactors also have its fatal shortcoming, and promptly catalyst can not be changed in the operating process, and catalyst needs the reaction of frequent regeneration generally should not use.So the heat subject that the continuous type fixed bed reactors become the various countries scholars is made in research.
Summary of the invention
The purpose of the utility model provides a kind of rotary continuous feed fixed bed reactors, through revolving reaction still position, solves the regeneration problem of catalyst, realization response efficiently, carry out continuously.
The technical scheme of the utility model is: rotary continuous feed fixed bed reactors comprise 2, four pallets 3 of four agitated reactors; Rotating disk 4; Movable sealing joint 7, the air inlet pipe and the blast pipe that are connected with exhaust outlet with agitated reactor 2 air inlets respectively, and power drive mechanism; Four agitated reactors 2 are fixed on the rotating disk 4 through four pallets 3 respectively symmetrically, and the air inlet of each agitated reactor 2 upper end and gas outlet, lower end are respectively through movable sealing joint 7, be connected with blast pipe with air inlet pipe accordingly in station I-IV; Power drive mechanism comprises rotating disk drive motors, active joint drive motors and corresponding transmission mechanism (like common transmission mechanisms such as gear graduation transmission mechanism, chain-drive mechanisms) composition; The output shaft of rotating disk drive motors is connected with the rotating shaft of rotating disk 4 through transmission mechanism, drives rotating disk 4 rotations (rotating speed of rotating disk is confirmed according to producing actual needs); The output shaft of active joint drive motors is connected with movable sealing joint 7 through transmission mechanism, the 7 upper and lower motions of drive movable sealing joint, the butt joint of realization and agitated reactor air inlet or exhaust outlet or separate.
The reaction air inlet pipe 1-1 of said reaction station I docks through the air inlet of movable sealing joint 7 with the agitated reactor 2 of station I, is with heat exchange sleeve 1 on the reaction air inlet pipe 1-1; Blast pipe 3-2 is connected with the exhaust outlet of the agitated reactor 2 of displacement station III with movable sealing joint 7 air inlet of heat exchange sleeve 1, gas outlet 6 logical atmosphere through replacing.
Said heat exchange sleeve 1 is a shell-and-tube, and tube side is walked unstripped gas, and shell side is walked regeneration tail gas; Spirality fin 13 is equipped with in the tube wall inboard of heat exchange sleeve 1, and the control gas flow direction is convenient to air current flow, strengthens heat exchange property.The quantity of spirality fin 13 is confirmed according to actual needs.
Said movable sealing joint 7 terminations are that agitated reactor connector, afterbody are air inlet pipe connector 15, are provided with the seal valve 14 that is with fastening spring in the port of agitated reactor connector.During 7 work of movable sealing joint, its agitated reactor connector is connected with agitated reactor air inlet or exhaust outlet, and by spring seal valve 14 tensions is realized sealing.
Said agitated reactor 2 lower inner wall are provided with annular boss, placing porous pallet 12 on the boss, and loading catalyst 8 on the pallet.
Said agitated reactor 2 external packets are covered with heat-insulation layer 11, the thermocouple sheath 9 that is used for the assaying reaction temperature in the kettle is equipped with in the bottom, in the thermocouple sheath 9 thermocouple are housed.
The Pressure gauge 10 that is used to measure reacting kettle inner pressure is equipped with at the top of said agitated reactor 2.
The agitated reactor 2 of the utility model is the common response still; Thermocouple is common commercially available prod, and motor can adopt the commercially available prod, material, the size of movable sealing joint 7 and each air inlet pipe and blast pipe; According to operating temperature in treating capacity and the agitated reactor and pressure, confirm according to actual needs.
The operation principle of above-mentioned rotary continuous feed fixed bed reactors is: four independently agitated reactor place respectively on four pallets (fixed mount) 3 of rotating disc 4; Unstripped gas feeds the station I by air inlet 1-1 and fills in the agitated reactor 2 of fresh catalyst; Carry out catalytic reaction in the still, product is discharged by gas outlet 1-2 and is collected; Behind the catalysqt deactivation, drive clearance mechanism by motor synchronous and make rotating disc 4 rotations, movable sealing joint 14 upwards slides air inlet, gas outlet is separated with agitated reactor simultaneously; When agitated reactor 2 forwarded the station II to, movable sealing joint 14 docked air inlet pipe 2-1, escape pipe 2-2 to lower slider with the air inlet/outlet of agitated reactor 2, fed inert gas by air inlet, the gas in the displacement still; After the replacement completion; Step action before starter motor repeats; Make agitated reactor 2 forward the station III to, and feed regeneration gas and carry out catalyst regeneration, the tail gas that carries a large amount of heats after the regeneration gets into the air inlet 5 of double-tube heat exchanger 1 via escape pipe 3-2; Unstripped gas is carried out preheating, discharge by the gas outlet 6 of double-tube heat exchanger 1 then.Behind the regeneration ending, the step action made agitated reactor 2 forward the station IV to before starter motor repeated, and the feeding inert gas carries out twice replaced to catalyst.After the twice replaced end, the step action made agitated reactor 2 forward the I station to before starter motor repeated, and carried out the catalytic reaction second time.So back and forth, catalyst granules is housed in the agitated reactor, in each production cycle, all experiences the process of " reaction-displacement-regeneration-displacement-reaction "; Each agitated reactor inner catalyst loadings equates, all experiences same process, thereby has realized the continuous production of reaction.
The utility model has the advantages that:
(1) with the mode of agitated reactor rotation, overcome the deficiency of catalytic reaction discontinuous reaction, realize producing continuously;
(2) heat that utilizes regeneration tail gas to carry carries out preheating to unstripped gas, has reduced the required energy of unstripped gas heating;
(3) utilize agitated reactor to react, can realize large-scale production;
(4) device easy and simple to handle, easy to control, be easy to popularize;
(5) can be used for multiple catalytic reaction, applied range.
Description of drawings
Fig. 1 is the utility model system schematic;
Fig. 2 is the single agitated reactor structural representation of the utility model;
Fig. 3 is the utility model heat exchange sleeve sketch map;
Fig. 4 is the utility model movable sealing joint sketch map.
Among the figure: 1, heat exchange sleeve; 2, agitated reactor; 3, pallet; 4, rotating disk; 5, heat exchange sleeve air inlet; 6, heat exchange sleeve gas outlet; 7, movable sealing joint; 8, catalyst packing course; 9, thermocouple sheath; 10, Pressure gauge; 11, heat-insulation layer; 12, many empty pallets; 13, helical fin; 1-1 reaction station air inlet pipe; 1-2, reaction station blast pipe; Replace 2-1, the first time station air inlet pipe; Replace 2-2, the first time station blast pipe; 3-1, regeneration station air inlet pipe; 3-2 regeneration station blast pipe; Replace 4-1, the second time station air inlet pipe; Replace 4-2, the second time station blast pipe; I, reaction station; Replace II, the first time station; III, regeneration station; Replace IV, the second time station.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further, but said content does not constitute the restriction to the utility model.
Embodiment 1: referring to Fig. 1-4, these rotary continuous feed fixed bed reactors comprise four agitated reactors 2; Four pallets 3, rotating disk 4, movable sealing joint 7; The air inlet pipe and the blast pipe that are connected with exhaust outlet with agitated reactor 2 air inlets respectively, and common power drive mechanism.Four agitated reactors 2 are fixed on the rotating disk 4 through four pallets 3 respectively symmetrically, and the air inlet of each agitated reactor 2 upper end and gas outlet, lower end are respectively through movable sealing joint 7, be connected with blast pipe with air inlet pipe accordingly in station I-IV; Power drive mechanism comprises rotating disk drive motors, active joint drive motors and corresponding transmission mechanism composition; The output shaft of rotating disk drive motors is connected with the rotating shaft of rotating disk 4 through the gear graduation transmission mechanism; Drive rotating disk 4 rotations, the conversion of realization response still station; Active joint drive motors output shaft is connected with movable sealing joint 7 through chain-drive mechanism, and drive movable sealing joint 7 is done upper and lower motion, the butt joint of realization and agitated reactor air inlet or exhaust outlet or separate.Be with heat exchange sleeve 1 on the reaction air inlet pipe 1-1 of reaction station I; Reaction air inlet pipe 1-1 docks through the air inlet of movable sealing joint 7 with the agitated reactor 2 of station I, and blast pipe 3-2 is connected with the exhaust outlet of the agitated reactor 2 of displacement station III the air inlet of heat exchange sleeve 1, the logical atmosphere in gas outlet through replacing.Heat exchange sleeve 1 is a shell-and-tube, and tube side is walked unstripped gas, and shell side is walked regeneration tail gas, and 8 spirality fins 13 evenly are housed on its tube wall inboard.Movable sealing joint 7 terminations are that agitated reactor connector, afterbody are air inlet pipe connector 15, are provided with the seal valve 14 that is with fastening spring in the port of agitated reactor connector.Agitated reactor 2 lower inner wall are provided with annular boss, placing porous pallet 12 on the boss, and loading catalyst 8 on the pallet; Agitated reactor 2 external packets are covered with heat-insulation layer 11, the thermocouple sheath 9 that is used for the assaying reaction temperature in the kettle is equipped with in the bottom, in the thermocouple sheath 9 thermocouple are housed; The Pressure gauge 10 that is used to measure reacting kettle inner pressure is equipped with at agitated reactor 2 tops.Agitated reactor 2 is common response stills, and thermocouple is common commercially available prod, and the material of movable sealing joint 7 and each air inlet pipe and blast pipe is steel, and the caliber of each air inlet pipe and blast pipe is 20mm.
The rotary continuous feed fixed bed reactors of written or printed documents are used for partial oxidation reaction of methane and produce synthesis gas, on agitated reactor porous pallet, pack the Ce-Fe composite oxides into as the carrier of oxygen, and unstripped gas is a methane.Methane is fed by air inlet pipe 1-1 and fills in the agitated reactor 2 of the fresh carrier of oxygen, and the product synthesis gas is discharged by escape pipe 1-2 and collected.Behind the carrier of oxygen inactivation, by the driven by motor clearance mechanism movable sealing joint 7 is moved upward, seal valve 14 is because the pulling force of spring makes inlet close, and rotating disc 4 rotates simultaneously, and agitated reactor 2 forwards the station II to, feeds N by air inlet pipe 2-1
2, the gas in the displacement still; After treating that displacement is accomplished, rotating disk rotates once more, and agitated reactor 2 forwards the station III to; By air inlet pipe 3-1 bubbling air, carry out Lattice Oxygen regeneration, tail gas carries a large amount of heats get into double-tube heat exchanger 1 via escape pipe 3-2 air inlet 5; With the methane preheating, the tail gas after the preheating is by gas outlet 6 dischargings; After regeneration was accomplished, rotating disk rotated once more, and agitated reactor 2 forwards the station IV to, fed N by air inlet pipe 4-1
2, carry out the displacement second time; After said process was accomplished, rotating disk rotated once more, and agitated reactor 2 forwards the station I to, carries out the partial oxidation reaction of methane of a new round.
Embodiment 2: referring to Fig. 1-4, the structure of these rotary continuous feed fixed bed reactors is identical with embodiment 1.Be used for methane oxidation reacted synthesis gas; Feed gas methane, catalyst are Cu-Zn-Al, and the material of movable sealing joint 7, each air inlet pipe and blast pipe is copper material; The caliber of each air inlet pipe and blast pipe is 15mm, and 12 spirality fins 13 evenly are housed on heat exchange sleeve 1 inner tubal wall; Drive motors drives movable sealing joint 7 and does upper and lower motion through gear graduation and rack gear, realizes with the butt joint of agitated reactor air inlet or exhaust outlet or separates.
Embodiment 3: referring to Fig. 1-4, the structure of these rotary continuous feed fixed bed reactors is identical with embodiment 1.Be used for methane oxidation reacted synthesis gas; Feed gas methane, catalyst are Cu-Zn-Al, and the material of movable sealing joint 7, each air inlet pipe and blast pipe is aluminium alloy; The caliber of each air inlet pipe and blast pipe is 25mm; 16 spirality fins 13 evenly are housed on heat exchange sleeve 1 inner tubal wall, and drive motors drives rotating disk 4 rotations through chain-drive mechanism.
Claims (8)
1. rotary continuous feed fixed bed reactors is characterized in that: comprise four agitated reactors (2), four pallets (3); Rotating disk (4); Movable sealing joint (7), the air inlet pipe and the blast pipe that are connected with exhaust outlet with agitated reactor (2) air inlet respectively, and power drive mechanism; Four agitated reactors (2) are fixed on the rotating disk (4) through four pallets (3) respectively symmetrically; The air inlet of each agitated reactor (2) upper end and gas outlet, lower end be respectively through movable sealing joint (7), be connected with blast pipe with air inlet pipe accordingly at I-IV station, and the output shaft of motor spool is connected through transmission mechanism and rotating disk (4).
2. rotary continuous feed fixed bed reactors according to claim 1 is characterized in that: power drive mechanism comprises rotating disk drive motors, active joint drive motors and corresponding transmission mechanism; The output shaft of rotating disk drive motors is connected with the rotating shaft of rotating disk (4) through transmission mechanism, drives rotating disk (4) and rotates; The output shaft of active joint drive motors is connected with movable sealing joint (7) through transmission mechanism, drives movable sealing joint (7) and does upper and lower motion.
3. rotary continuous feed fixed bed reactors according to claim 1; It is characterized in that: be with heat exchange sleeve (1) on the reaction air inlet pipe (1-1) of reaction station I; Reaction air inlet pipe (1-1) is docked through the air inlet of movable sealing joint (7) with the agitated reactor (2) of station I; The air inlet of heat exchange sleeve (1) is through replacing blast pipe (3-2), being connected through the exhaust outlet of movable sealing joint (7) with the agitated reactor (2) of displacement station III, and the gas outlet (6) of heat exchange sleeve (1) leads to atmosphere.
4. rotary continuous feed fixed bed reactors according to claim 3 is characterized in that: heat exchange sleeve (1) is a shell-and-tube, and tube side is walked unstripped gas, and shell side is walked regeneration tail gas; Spirality fin (13) is equipped with in the tube wall inboard of heat exchange sleeve (1).
5. rotary continuous feed fixed bed reactors according to claim 1; It is characterized in that: movable sealing joint (7) termination is that agitated reactor connector, afterbody are air inlet pipe connector (15), is provided with the seal valve (14) that is with fastening spring in the port of agitated reactor connector.
6. rotary continuous feed fixed bed reactors according to claim 1 is characterized in that: agitated reactor (2) lower inner wall is provided with annular boss, placing porous pallet (12) on the boss, loading catalyst on the pallet (8).
7. rotary continuous feed fixed bed reactors according to claim 1 is characterized in that: agitated reactor (2) external packets is covered with heat-insulation layer (11), the thermocouple sheath (9) that is used for the assaying reaction temperature in the kettle is equipped with in the bottom.
8. rotary continuous feed fixed bed reactors according to claim 1 is characterized in that: the Pressure gauge (10) that is used to measure reacting kettle inner pressure is equipped with at the top of agitated reactor (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011205240516U CN202410625U (en) | 2011-12-15 | 2011-12-15 | Rotary type continuous feeding fixed bed reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205240516U CN202410625U (en) | 2011-12-15 | 2011-12-15 | Rotary type continuous feeding fixed bed reactor |
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| CN202410625U true CN202410625U (en) | 2012-09-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513035A (en) * | 2011-12-15 | 2012-06-27 | 昆明理工大学 | Rotary type continuous feed fixed bed reactor |
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2011
- 2011-12-15 CN CN2011205240516U patent/CN202410625U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102513035A (en) * | 2011-12-15 | 2012-06-27 | 昆明理工大学 | Rotary type continuous feed fixed bed reactor |
| CN102513035B (en) * | 2011-12-15 | 2014-05-07 | 昆明理工大学 | Rotary type continuous feed fixed bed reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20141215 |
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| EXPY | Termination of patent right or utility model |