CN109092215B - Propylene synthesis reactor - Google Patents
Propylene synthesis reactor Download PDFInfo
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- CN109092215B CN109092215B CN201811116932.7A CN201811116932A CN109092215B CN 109092215 B CN109092215 B CN 109092215B CN 201811116932 A CN201811116932 A CN 201811116932A CN 109092215 B CN109092215 B CN 109092215B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0278—Feeding reactive fluids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
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Abstract
The invention relates to the technical field of reactors, in particular to a propylene synthesis reactor, which comprises a tank body, an air inlet pipe, a liquid inlet pipe, a transmission mechanism, a discharge mechanism, a supporting mechanism, a spraying mechanism, a mounting plate and a catalytic mechanism, wherein the spraying mechanism is driven by the transmission mechanism to rotate in the tank body, so that a solution sprayed by a chilling nozzle is fully mixed with gas entering from the top end of the tank body by the air inlet pipe, the reaction speed is improved, and the reaction is more thorough. The catalytic mechanism utilizes the push buttons and the clamping blocks arranged at the two ends of the first fixing plate and the second fixing plate to be directly placed on the mounting plate, and is fixedly connected with the mounting plate in a clamping manner, so that the whole catalytic mechanism is conveniently fixed and mounted, dismantled and replaced. Holes are uniformly and densely distributed on the catalyst bed, so that reaction product flow on the upper catalyst bed falls to the bottom of the inner cavity of the tank body conveniently, and the purposes of separation and collection are achieved. Meanwhile, the reaction area can be increased, and the reaction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of reactors, in particular to a propylene synthesis reactor.
Background
There are two main processes for producing propylene from methanol currently available in the world: one is the MTO technology (methanol to olefin), a process that first produces methanol from syngas, then converts the methanol to a mixture of ethylene and propylene; the other is MTP technology (methanol to propylene), i.e. a process for producing methanol from synthesis gas first and then converting the methanol into propylene. Both of the above techniques start with the conversion of natural gas or coal to methanol, which is then converted to olefins. The specific processes comprise an MTO process of Exxon Mobil, an MTO process of UOP/Hydro, an MTP process of Lurgi, an SDTO process of Chinese college large union institute, a methanol to propylene (FMTP) technology of a circulating fluidized bed of Qinghua university and the like.
In the use process of the MTP reactor, the reaction is not thorough enough, the reaction speed is slow, the catalyst bed after use is not easy to replace, and the utilization rate of the catalyst on the catalyst bed is not high. In view of this, the present invention provides a propylene synthesis reactor having the following features:
(1) according to the propylene synthesis reactor, the spraying mechanism is driven by the transmission mechanism to rotate in the tank body, so that the solution sprayed by the chilling nozzle is fully mixed with the gas entering from the top end of the tank body by the gas inlet pipe, the reaction speed is improved, and the reaction is more thorough.
(2) According to the propylene synthesis reactor, the catalytic mechanism can be directly placed on the mounting plate by utilizing the push buttons and the clamping blocks arranged at the two ends of the first fixing plate and the second fixing plate, and is clamped and fixedly connected with the mounting plate, so that the whole catalytic mechanism is convenient to fixedly mount, dismount and replace.
(3) According to the propylene synthesis reactor disclosed by the invention, the catalyst bed is uniformly and densely distributed with the holes, so that the reaction product flow on the upper catalyst bed falls to the bottom of the inner cavity of the tank body conveniently, and the purposes of separation and collection are realized. Meanwhile, the reaction area can be increased, and the reaction efficiency is improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a propylene synthesis reactor.A spraying mechanism is driven by a transmission mechanism to rotate in a tank body, so that a solution sprayed by a chilling nozzle is fully mixed with gas entering from the top end of the tank body by utilizing an air inlet pipe, the reaction speed is improved, and the reaction is more thorough. The catalytic mechanism utilizes the push buttons and the clamping blocks arranged at the two ends of the first fixing plate and the second fixing plate to be directly placed on the mounting plate, and is fixedly connected with the mounting plate in a clamping manner, so that the whole catalytic mechanism is conveniently fixed and mounted, dismantled and replaced. Holes are uniformly and densely distributed on the catalyst bed, so that reaction product flow on the upper catalyst bed falls to the bottom of the inner cavity of the tank body conveniently, and the purposes of separation and collection are achieved. Meanwhile, the reaction area can be increased, and the reaction efficiency is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a propylene synthesis reactor comprises a tank body, an air inlet pipe, a liquid inlet pipe, a transmission mechanism, a discharging mechanism, a supporting mechanism, a spraying mechanism, a mounting plate and a catalytic mechanism, wherein the air inlet pipe for feeding dimethyl ether is connected to the top of the tank body; the liquid inlet pipe for feeding the mixed liquid of the methanol and the water is connected to the side wall of the tank body; the spraying mechanism for spraying liquid is arranged in the tank body and comprises a rotating disc, a connecting rod and a chilling nozzle, the rotating disc is clamped and rotatably connected to the side wall of the inner cavity of the tank body, the liquid inlet pipe is communicated to a water through groove on the rotating disc, the connecting rod is fixedly connected to the inner side wall of the rotating disc, the chilling nozzle is arranged at the bottom of the connecting rod, and the water through pipeline communicated to the water through groove on the rotating disc is arranged in the connecting rod; the transmission mechanism for driving the rotating disc to rotate is arranged on one side of the tank body; the mounting plate for fixing the catalytic mechanism is arranged on the side wall of the inner cavity of the tank body at the bottom of the spraying mechanism; the catalytic mechanism is used for catalyzing methanol and dimethyl ether and generating a mixed product of propylene and is clamped and connected to the mounting plate and comprises a first fixing plate, a catalyst bed, a second fixing plate, a spring, a push button and a clamping block, the outer side wall of the first fixing plate is in contact connection with the inner side wall of the mounting plate, the clamping block is connected to the outer side of the first fixing plate in a telescopic mode, the clamping block is clamped and connected into a clamping groove of the mounting plate, the two second fixing plates are symmetrically arranged at the edge of the top surface of the first fixing plate, the push button is arranged in a sliding groove in the second fixing plate, the push button penetrates into the second fixing plate and is connected to the clamping block, and the spring is fixedly connected between the clamping block and the inner side wall of the second fixing; the discharging mechanism for discharging mixed feed liquid of reaction products is arranged at the bottom of the tank body; the supporting mechanism for fixedly supporting the whole tank body is connected to the tank body.
It is specific, be equipped with four on the lateral wall of jar body feed liquor pipe, four connecting rod and four catalyst bed, and four feed liquor pipe, four connecting rod and four catalyst bed one-to-one sets up, realizes multilayer synchronous reaction, increases reaction efficiency, prevents simultaneously that the reaction from omitting, and the reactant that the upper strata was omitted can continue the reaction in the lower floor.
Specifically, be equipped with the hole of even densely covered on the catalyst bed, the plan view of first fixed plate is circular structure, just the length of connecting rod with the diameter of first fixed plate equals, just the connecting rod with the block is connected between the rotating disc, increases reaction area, improves reaction efficiency.
Specifically, the bottom of connecting rod sets up the chilling nozzle is equipped with a plurality ofly, and is a plurality of chilling nozzle equidistance distribute in the bottom of connecting rod makes the abundant contact of reactant mix, increases reaction efficiency.
Specifically, drive mechanism includes the fixed casing of first fixed casing, second, servo motor, rotation post and gear, first fixed casing is located one side of the jar body, the top of first fixed casing is equipped with the fixed casing of second, install in the fixed casing of second servo motor, fixedly connected with in servo motor's the pivot rotates the post, it penetrates to rotate the post part in the first fixed casing has cup jointed the gear, gear engagement connect in rotate the disc, realize driving rotate the disc and rotate.
Specifically, the lateral wall of carousel is equipped with the rodent, just the radius of carousel is greater than the radius of gear saves the turning force of gear reduces the rotational speed of carousel. The front cross-sectional view of the rotating disc is of a convex structure, so that the rotating disc has an effective limiting effect and is prevented from being meshed and dislocated with the gear.
Specifically, discharge mechanism includes discharging pipe and solenoid valve, the discharging pipe is located the bottom of the jar body, be equipped with on the discharging pipe the solenoid valve realizes discharging the collection with the reaction product.
Specifically, the supporting mechanism includes first supporting disk, bracing piece and second supporting disk, first supporting disk cup joint in the bottom of the jar body, the top of bracing piece connect in first supporting disk, the bottom of bracing piece connect in the second supporting disk realizes wholly the support of the jar body with fixed.
Specifically, the bracing piece is equipped with three, and three the bracing piece be regular triangle connect in first supporting disk with between the second supporting disk, just the radius of second supporting disk is greater than the radius of first supporting disk increases and supports fixed stability and fastness.
The invention has the beneficial effects that:
(1) according to the propylene synthesis reactor, the spraying mechanism is driven by the transmission mechanism to rotate in the tank body, so that the solution sprayed by the chilling nozzle is fully mixed with the gas entering from the top end of the tank body by the gas inlet pipe, the reaction speed is improved, and the reaction is more thorough.
(2) According to the propylene synthesis reactor, the catalytic mechanism can be directly placed on the mounting plate by utilizing the push buttons and the clamping blocks arranged at the two ends of the first fixing plate and the second fixing plate, and is clamped and fixedly connected with the mounting plate, so that the whole catalytic mechanism is convenient to fixedly mount, dismount and replace.
(3) According to the propylene synthesis reactor disclosed by the invention, the catalyst bed is uniformly and densely distributed with the holes, so that the reaction product flow on the upper catalyst bed falls to the bottom of the inner cavity of the tank body conveniently, and the purposes of separation and collection are realized. Meanwhile, the reaction area can be increased, and the reaction efficiency is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a reactor for converting methanol or dimethyl ether into propylene according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional front view of the can body shown in FIG. 1;
FIG. 3 is a schematic top view of the linkage of the drive mechanism and the spray mechanism of FIG. 2;
FIG. 4 is a schematic structural view of the catalytic mechanism shown in FIG. 2;
fig. 5 is an enlarged view of the portion a shown in fig. 4.
In the figure: 1. the device comprises a tank body, 2, an air inlet pipe, 3, a liquid inlet pipe, 4, a transmission mechanism, 41, a first fixed shell, 42, a second fixed shell, 43, a servo motor, 44, a rotating column, 45, a gear, 5, a discharging mechanism, 51, a discharging pipe, 52, an electromagnetic valve, 6, a supporting mechanism, 61, a first supporting disc, 62, a supporting rod, 63, a second supporting disc, 7, a spraying mechanism, 71, a rotating disc, 71a, a water through groove, 72, a connecting rod, 72a, a water through pipeline, 73, a chilling nozzle, 8, a mounting plate, 9, a catalytic mechanism, 91, a first fixing plate, 92, a catalyst bed, 93, a second fixing plate, 94, a spring, 95, a push button, 96 and a fixture block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, the propylene synthesis reactor of the present invention comprises a tank body 1, an air inlet pipe 2, a liquid inlet pipe 3, a transmission mechanism 4, a discharge mechanism 5, a support mechanism 6, a spraying mechanism 7, a mounting plate 8 and a catalytic mechanism 9, wherein the air inlet pipe 2 for feeding dimethyl ether is connected to the top of the tank body 1; the liquid inlet pipe 3 for feeding the mixed liquid of methanol and water is connected to the side wall of the tank body 1; the spraying mechanism 7 for spraying liquid is arranged in the tank body 1, the spraying mechanism 7 comprises a rotating disc 71, a connecting rod 72 and a chilling nozzle 73, the rotating disc 71 is clamped and rotatably connected with the side wall of the inner cavity of the tank body 1, the liquid inlet pipe 3 is communicated with a water through groove 71a on the rotating disc 71, the connecting rod 72 is fixedly connected with the inner side wall of the rotating disc 71, the chilling nozzle 73 is arranged at the bottom of the connecting rod 72, and a water through pipeline 72a communicated with the water through groove 71a on the rotating disc 71 is arranged in the connecting rod 72; the transmission mechanism 4 for driving the rotating disc 71 to rotate is arranged on one side of the tank body 1; the mounting plate 8 for fixing the catalytic mechanism 9 is arranged on the side wall of the inner cavity of the tank body 1 at the bottom of the spraying mechanism 7; the catalytic mechanism 9 for catalyzing the methanol and the dimethyl ether and generating the mixed product of the propylene is clamped and connected on the mounting plate 8, the catalytic mechanism 9 comprises a first fixing plate 91, a catalyst bed 92, a second fixing plate 93, a spring 94, a push button 95 and a fixture block 96, the outer side wall of the first fixing plate 91 is connected to the inner side wall of the mounting plate 8 in a contacting manner, the outer side of the first fixing plate 91 is telescopically connected with the fixture block 96, the fixture block 96 is clamped and connected in the fixture groove of the mounting plate 8, two second fixing plates 93 are symmetrically arranged at the edge of the top surface of the first fixing plate 91, the push button 95 is disposed in the sliding slot of the second fixing plate 93, the push button 95 penetrates the second fixing plate 93 and is connected to the latch 96, the spring 94 is fixedly connected between the fixture block 96 and the inner side wall of the second fixing plate 93; the discharging mechanism 5 for discharging mixed feed liquid of reaction products is arranged at the bottom of the tank body 1; the supporting mechanism 6 for fixedly supporting the whole tank body 1 is connected to the tank body 1.
Specifically, as shown in fig. 1 and fig. 2, the sidewall of the tank body 1 of the propylene synthesis reactor of the present invention is provided with four liquid inlet pipes 3, four connecting rods 72, and four catalyst beds 92, and the four liquid inlet pipes 3, the four connecting rods 72, and the four catalyst beds 92 are arranged in a one-to-one correspondence manner, so as to achieve a multi-layer synchronous reaction, increase reaction efficiency, and simultaneously prevent reaction omission, and reactants omitted in an upper layer can continue to react in a lower layer.
Specifically, as shown in fig. 2, the catalyst bed 92 of the propylene synthesis reactor of the present invention is provided with uniformly and densely distributed holes, the top view of the first fixing plate 91 is a circular structure, the length of the connecting rod 72 is equal to the diameter of the first fixing plate 91, and the connecting rod 72 is connected with the rotating disc 71 in a snap-fit manner, so as to increase the reaction area and improve the reaction efficiency.
Specifically, as shown in fig. 2, a plurality of chilling nozzles 73 are arranged at the bottom of the connecting rod 72 of the propylene synthesis reactor, and the plurality of chilling nozzles 73 are equidistantly distributed at the bottom of the connecting rod 72, so that reactants are fully contacted and mixed, and the reaction efficiency is increased.
Specifically, as shown in fig. 2 and fig. 3, the transmission mechanism 4 of the propylene synthesis reactor according to the present invention includes a first fixed housing 41, a second fixed housing 42, a servo motor 43, a rotating column 44 and a gear 45, wherein the first fixed housing 41 is disposed on one side of the tank body 1, the second fixed housing 42 is disposed at the top end of the first fixed housing 41, the servo motor 43 is installed in the second fixed housing 42, the rotating column 44 is fixedly connected to a rotating shaft of the servo motor 43, the gear 45 is sleeved on a portion of the rotating column 44 penetrating into the first fixed housing 41, and the gear 45 is engaged with the rotating disc 71 to drive the rotating disc 71 to rotate.
Specifically, as shown in fig. 3, the outer side wall of the rotating disc 71 of the propylene synthesis reactor of the present invention is provided with a tooth, and the radius of the rotating disc 71 is larger than the radius of the gear 45, so as to save the rotating force of the gear 45 and reduce the rotating speed of the rotating disc 71. The front cross section of the rotating disc 71 is in a convex structure, so that an effective limiting effect is achieved, and the rotating disc 71 and the gear 45 are prevented from being meshed and dislocated.
Specifically, as shown in fig. 1, the discharging mechanism 5 of the propylene synthesis reactor of the present invention includes a discharging pipe and an electromagnetic valve 52, the discharging pipe is disposed at the bottom of the tank body 1, and the electromagnetic valve 52 is disposed on the discharging pipe, so as to discharge and collect reaction products.
Specifically, as shown in fig. 1, the support mechanism 6 of the propylene synthesis reactor according to the present invention includes a first support plate 61, a support rod 62 and a second support plate 63, wherein the first support plate 61 is sleeved on the bottom end of the tank body 1, the top end of the support rod 62 is connected to the first support plate 61, and the bottom end of the support rod 62 is connected to the second support plate 63, so as to support and fix the entire tank body 1.
Specifically, as shown in fig. 1, three support rods 62 are provided in the propylene synthesis reactor of the present invention, and the three support rods 62 are connected between the first support plate 61 and the second support plate 63 in a regular triangle shape, and the radius of the second support plate 63 is greater than that of the first support plate 61, so as to increase the stability and firmness of support and fixation.
Utilize intake pipe 2 to let in mist such as dimethyl ether from the top of jar body 1, utilize feed liquor pipe 3 to jar internal letting in methyl alcohol, who waits the mixed liquid, utilize spraying mechanism 7 and drive mechanism 4 to fully atomize the mixed liquid that gets into, along with the catalyst fully reaction on gas mixture and the catalyst bed 92, the product of formation is collected at the inner chamber bottom of jar body 1 to finally utilize discharge mechanism 5 to carry out the separation collection of discharging. The method specifically comprises the following steps:
(1) mixed gas such as dimethyl ether is introduced into the tank body 1 from the top end of the tank body 1 by using the gas inlet pipe 2, and mixed liquid such as methanol, water and the like is introduced into the connecting pipe in the tank body 1 by using the liquid inlet pipe 3. The servo motor 43 and the chilling nozzles 73 are opened by the magnet, the gear 45 is driven to rotate by the servo motor 43, so that the rotating disc 71 meshed with the gear 45 is driven to rotate, the connecting rod 72 is driven to rotate by the rotating disc 71, and the chilling nozzles 73 arranged at the bottom of the connecting rod 72 rotate to spray mixed liquid which is fully and uniformly mixed with mixed gas.
(2) When the mixed liquid and the mixed gas flow onto the catalyst bed 92, the catalyst arranged in the holes on the catalyst bed 92 is utilized to fully catalyze the mixture of methanol, dimethyl ether and the like, so that the mixture reacts to produce the mixture of propylene. The connecting rods 72 arranged layer by layer are utilized to enable the reaction to be more thorough. And simultaneously prevents the unreacted substances on the upper layer from being missed.
(3) After the reaction is finished, the generated reaction product is collected at the bottom of the inner cavity of the tank body 1, and the electromagnetic valve 52 is opened to discharge the reaction product from the discharge pipe for separation and collection.
(4) After the operation is completed and catalyst bed 92 needs to be replaced, push button 95 can be pushed to remove the fixing plate upward, so that fixture block 96 is disengaged from mounting plate 8.
The spraying mechanism 7 of the invention is driven by the transmission mechanism 4 to rotate in the tank body 1, so that the solution sprayed by the chilling nozzle 73 is fully mixed with the gas entering from the top end of the tank body 1 by the gas inlet pipe 2, the reaction speed is improved, and the reaction is more thorough. The catalytic mechanism 9 utilizes the push buttons 95 and the fixture blocks 96 arranged at the two ends of the first fixing plate 91 and the second fixing plate 93 to be directly placed on the mounting plate 8, and is fixedly connected with the mounting plate 8 in a clamping manner, so that the whole catalytic mechanism 9 is conveniently fixed and mounted, dismantled and replaced. Holes are uniformly and densely distributed on the catalyst bed 92, so that reaction product flow on the upper catalyst bed 92 falls to the bottom of the inner cavity of the tank body 1, and the purposes of separation and collection are achieved. Meanwhile, the reaction area can be increased, and the reaction efficiency is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A propylene synthesis reactor, characterized by: the device comprises a tank body (1), an air inlet pipe (2), a liquid inlet pipe (3), a transmission mechanism (4), a discharging mechanism (5), a supporting mechanism (6), a spraying mechanism (7), a mounting plate (8) and a catalytic mechanism (9), wherein the air inlet pipe (2) for feeding dimethyl ether is connected to the top of the tank body (1); the liquid inlet pipe (3) for feeding the mixed liquid of methanol and water is connected with the side wall of the tank body (1); the spraying mechanism (7) used for spraying liquid is arranged in the tank body (1), the spraying mechanism (7) comprises a rotating disc (71), a connecting rod (72) and a chilling nozzle (73), the rotating disc (71) is clamped and rotatably connected to the side wall of the inner cavity of the tank body (1), the liquid inlet pipe (3) is communicated to a water through groove (71a) in the rotating disc (71), the connecting rod (72) is fixedly connected to the inner side wall of the rotating disc (71), the chilling nozzle (73) is arranged at the bottom of the connecting rod (72), and a water through pipeline (72a) communicated to the water through groove (71a) in the rotating disc (71) is arranged in the connecting rod (72); the transmission mechanism (4) for driving the rotating disc (71) to rotate is arranged on one side of the tank body (1); the mounting plate (8) for fixing the catalytic mechanism (9) is arranged on the side wall of the inner cavity of the tank body (1) at the bottom of the spraying mechanism (7); wherein the catalysis mechanism (9) for catalyzing methanol and dimethyl ether and generating a propylene mixed product is connected to the mounting plate (8) in a clamping manner, the catalysis mechanism (9) comprises a first fixing plate (91), a catalyst bed (92), a second fixing plate (93), a spring (94), a push button (95) and a clamping block (96), the outer side wall of the first fixing plate (91) is connected to the inner side wall of the mounting plate (8) in a contact manner, the outer side of the first fixing plate (91) is connected with the clamping block (96) in a telescopic manner, the clamping block (96) is connected to the clamping groove of the mounting plate (8) in a clamping manner, the two second fixing plates (93) are symmetrically arranged at the edge of the top surface of the first fixing plate (91), the push button (95) is arranged in a sliding groove of the second fixing plate (93), and the push button (95) penetrates into the second fixing plate (93) to be connected to the, the spring (94) is fixedly connected between the fixture block (96) and the inner side wall of the second fixing plate (93); the discharging mechanism (5) for discharging mixed feed liquid of reaction products is arranged at the bottom of the tank body (1); the supporting mechanism (6) for fixedly supporting the whole tank body (1) is connected to the tank body (1);
the transmission mechanism (4) comprises a first fixed shell (41), a second fixed shell (42), a servo motor (43), a rotating column (44) and a gear (45), the first fixed shell (41) is arranged on one side of the tank body (1), the second fixed shell (42) is arranged at the top end of the first fixed shell (41), the servo motor (43) is installed in the second fixed shell (42), the rotating column (44) is fixedly connected to a rotating shaft of the servo motor (43), the gear (45) is sleeved on the part, penetrating into the first fixed shell (41), of the rotating column (44), and the gear (45) is connected to the rotating disc (71) in a meshed mode;
the outer side wall of the rotating disc (71) is provided with a tooth, the radius of the rotating disc (71) is larger than that of the gear (45), and the front cross-sectional view of the rotating disc (71) is of a convex structure.
2. A propylene synthesis reactor as claimed in claim 1, characterised in that: be equipped with four on the lateral wall of the jar body (1) feed liquor pipe (3), four connecting rod (72) and four catalyst bed (92), and four feed liquor pipe (3), four connecting rod (72) and four catalyst bed (92) one-to-one sets up.
3. A propylene synthesis reactor as claimed in claim 1, characterised in that: the catalyst bed (92) is provided with holes which are uniformly and densely distributed, the top view of the first fixing plate (91) is of a circular structure, the length of the connecting rod (72) is equal to the diameter of the first fixing plate (91), and the connecting rod (72) is connected with the rotating disc (71) in a clamping manner.
4. A propylene synthesis reactor as claimed in claim 1, characterised in that: the chilling nozzles (73) arranged at the bottom of the connecting rod (72) are arranged in a plurality, and the chilling nozzles (73) are distributed at the bottom of the connecting rod (72) in an equal distance mode.
5. A propylene synthesis reactor as claimed in claim 1, characterised in that: the discharging mechanism (5) comprises a discharging pipe and an electromagnetic valve (52), the discharging pipe is arranged at the bottom of the tank body (1), and the electromagnetic valve (52) is arranged on the discharging pipe.
6. A propylene synthesis reactor as claimed in claim 1, characterised in that: the supporting mechanism (6) comprises a first supporting disc (61), a supporting rod (62) and a second supporting disc (63), the first supporting disc (61) is sleeved on the bottom end of the tank body (1), the top end of the supporting rod (62) is connected with the first supporting disc (61), and the bottom end of the supporting rod (62) is connected with the second supporting disc (63).
7. A propylene synthesis reactor as claimed in claim 6, characterised in that: the bracing piece (62) are equipped with three, and three bracing piece (62) are regular triangle connect in first supporting disk (61) with between second supporting disk (63), just the radius of second supporting disk (63) is greater than the radius of first supporting disk (61).
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| CN201811116932.7A CN109092215B (en) | 2018-09-25 | 2018-09-25 | Propylene synthesis reactor |
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| CN201811116932.7A CN109092215B (en) | 2018-09-25 | 2018-09-25 | Propylene synthesis reactor |
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| CN109925972B (en) * | 2019-04-23 | 2019-12-31 | 宁波巨化新材料有限公司 | Multi-section fixed bed reactor for reaction of synthesizing n-propanol |
| CN112608837B (en) * | 2020-12-30 | 2022-04-19 | 西北大学 | Biological enzyme catalytic reaction device |
| CN116808955A (en) * | 2022-03-23 | 2023-09-29 | 陈健 | Propylene synthesis reactor |
| CN114713148B (en) * | 2022-05-16 | 2023-06-27 | 杰超橡塑南通有限公司 | Condensation reaction device capable of quickly replacing catalyst for synthesizing diphenylamine |
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