CN113499740B - Method and device for reducing difference and controlling temperature of gas-phase fixed bed circulating reactor - Google Patents
Method and device for reducing difference and controlling temperature of gas-phase fixed bed circulating reactor Download PDFInfo
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- CN113499740B CN113499740B CN202110901797.2A CN202110901797A CN113499740B CN 113499740 B CN113499740 B CN 113499740B CN 202110901797 A CN202110901797 A CN 202110901797A CN 113499740 B CN113499740 B CN 113499740B
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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
- B01J8/0285—Heating or cooling the reactor
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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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
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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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00539—Pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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Abstract
The invention discloses a method and a device for reducing the difference and controlling the temperature of a gas phase fixed bed circulating reactor, comprising a box body; further comprising a control assembly for switching regulation of temperature and pressure differential; the adjusting assembly is used for adjusting the pressure difference, the rotating rod is driven to move left and right through the control rod, the rotating rod drives the inserting rod and the circular plate to move, so that the adjustment of switching temperature and pressure difference is completed, the movable plate is driven to move along the movable groove through meshing transmission of the gears, the size of the volume is controlled under the condition that reaction gas is not influenced, the size of pressure is adjusted, the movable plate is pressed through the pressing plate which is arranged to move, the movable plate is moved beneficially, and the phenomenon that the movable plate is inconvenient to adjust due to the fact that the pressure difference is too large is avoided.
Description
Technical Field
The invention relates to the technical field of chemical reactors, in particular to a method and a device for reducing the temperature of a gas phase fixed bed circulating reactor.
Background
In chemical engineering, liquid-phase fixed beds and gas-phase fixed beds are mostly used for catalytic reactions, wherein the gas-phase fixed beds can be used for organic catalytic reactions such as hydrogenation, dehydrogenation, oxidation, alkylation, aromatization, ammoniation and the like. When a gas phase fixed bed circulating reactor works, after temperature control treatment is carried out according to the catalytic temperature requirement of a material, corresponding gas can be generated in the reactor, however, the change of the temperature can also promote the pressure difference between the inside and the outside of the reactor, and the partially catalyzed material not only has the temperature requirement but also has the pressure requirement, so that a method and a device for reducing the temperature difference and controlling the temperature of the gas phase fixed bed circulating reactor are provided.
Disclosure of Invention
The invention aims to provide a method and a device for reducing the temperature and controlling the temperature of a gas phase fixed bed circulating reactor, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a gas phase fixed bed circulating reactor drop temperature control device comprises a box body; further comprising a control assembly for switching regulation of temperature and pressure differential; and the adjusting assembly is used for adjusting the pressure difference.
Preferably, the control assembly includes the motor, motor bottom fixedly connected with is connected fixed plate fixed with the box, motor output shaft surface cover is equipped with the sleeve, first spout has all been seted up to sleeve inner wall both sides, motor output shaft both sides fixedly connected with and first spout sliding fit's spacing, sleeve one end fixedly connected with penetrates the bull stick in the box, two limiting plates of bull stick one end fixedly connected with, two be equipped with the control lever between the limiting plate, the control lever is connected with the fixed plate is articulated, one of them limiting plate side fixedly connected with horizontal pole, the bull stick other end is equipped with the switching subassembly.
Preferably, the switching component comprises two circular plates which are distributed oppositely and fixedly connected with the rotating rod, a plurality of clamping teeth are fixedly connected to the top surface, the bottom surface and the front side of each circular plate, an inner cavity is formed in the box, a movable groove is formed in the middle of the inner cavity, two first notches are symmetrically formed in the inner front portion of the box and are provided with a first notch, a gear is arranged in the first notch in a rotating fit mode, the side edge of the gear is in meshing transmission with the clamping teeth, a first bevel gear is fixedly connected to the inner side of the gear in a meshing transmission mode, a second bevel gear is arranged in meshing transmission mode and is fixedly connected with a threaded rod penetrating into the inner cavity, an inserting rod is fixedly connected to the end portion of the rotating rod, a rotating disk for controlling temperature is arranged on the right side of the rotating rod, the rotating disk is in rotating fit with the box, and a plurality of inserting grooves are uniformly distributed on the rotating disk.
Preferably, the adjusting component comprises a first threaded sleeve and a movable plate movably matched in the movable groove, second threaded sleeves are fixedly connected to two sides of the movable plate, the first threaded sleeve and the second threaded sleeve are both in threaded connection with a threaded rod, and the first threaded sleeve is provided with two power assisting components in a symmetrical structure.
Preferably, the helping hand subassembly includes and is connected fixed block, the first telescopic link fixed with first threaded sleeve union coupling with the box, the fixed block is inside to be inclination and has seted up the third spout, the third spout is close to the fly leaf direction and sets up the fourth spout that runs through the fixed block, first telescopic link top is equipped with the stopper, the second notch has been seted up to the stopper bottom, anterior in the second notch is deepened on first telescopic link top, fixedly connected with second telescopic link between second notch trailing flank and the first telescopic link, second telescopic link surface coiling has the spring, the spring both ends articulate the cooperation with second notch and first telescopic link respectively, stopper middle part fixedly connected with slide bar, the slide bar is close to fly leaf one end fixedly connected with and supports the clamp plate, the slide bar other end penetrates fourth spout and third spout fixedly connected with spacing ball in proper order, spacing ball and third spout sliding fit.
Preferably, the size of the section of the movable groove is consistent with that of the section of the movable plate, and the periphery of the movable plate is fixedly connected with a sealing layer.
Preferably, a subdivision driver is arranged on the motor.
Preferably, the side surface of the pressing plate is adhered with an anti-skid layer.
A method for reducing the difference and controlling the temperature of a gas phase fixed bed circulating reactor comprises the following steps;
s1, starting, and starting a box body to enable the reactor to react.
And S2, adjusting, starting a motor, and adjusting in coordination with the change of temperature and pressure.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the leveling cross rod is in a horizontal position, and the control rod is shaken, so that the sleeve drives the rotating rod to move left and right under the action of the first sliding groove and the limiting strip, the circular plate and the gear are correspondingly positioned by moving left to facilitate the adjustment of the pressure difference in the subsequent reactor, and the inserting rod and the inserting groove are inserted and matched by moving right to facilitate the adjustment of the temperature in the reactor.
2. According to the invention, the motor with the subdivision driver rotates at low speed at intervals, the threaded rod drives the movable plate to move along the movable groove under the action of the latch, the gear and the bevel gear, so that the size of the volume is controlled under the condition of not influencing reaction gas, the pressure intensity is adjusted, the pressing plate moves to press the movable plate through the matching of the inclined third sliding groove and the sliding rod, the movable plate is moved, and the phenomenon that the movable plate is inconvenient to adjust due to overlarge pressure difference is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of a control module according to the present invention;
FIG. 4 is an enlarged view of the structure of area A in FIG. 2;
FIG. 5 is an enlarged view of the structure of the area B in FIG. 2;
fig. 6 is a schematic cross-sectional view of the structure of fig. 5.
In the figure: 1, a box body; 2-a control component; 3, a motor; 4, fixing a plate; 5-a sleeve; 6-a first chute; 7-a limit strip; 8-rotating the rod; 9-a limiting plate; 10-a control lever; 11-a cross-bar; 12-a switching component; 13-circular plate; 14-latch; 15-lumen; 16-a movable slot; 17-a first notch; 18-gear wheel; 19-a first bevel gear; 20-a second bevel gear; 21-a threaded rod; 22-a plunger; 23-a turntable; 24-a slot; 25-an adjustment assembly; 26-a first threaded sleeve; 27-a movable plate; 28-a second threaded sleeve; 29-a booster component; 30-fixing blocks; 31-a first telescopic rod; 32-a third runner; 33-a fourth runner; 34-a limiting block; 35-a second notch; 36-a second telescopic rod; 37-a spring; 38-a slide bar; 39-pressing plate; 40-limiting ball.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a gas phase fixed bed circulating reactor drop temperature control device comprises a box body 1; the device also comprises a control assembly 2, wherein the control assembly 2 is used for switching the regulation of temperature and pressure difference; and the adjusting assembly 25 is used for adjusting the pressure difference magnitude of the adjusting assembly 25.
The control assembly 2 comprises a motor 3, a fixed plate 4 fixedly connected with the bottom of the motor 3 is connected with a box body 1, a sleeve 5 is sleeved on the outer surface of an output shaft of the motor 3, first sliding grooves 6 are formed in two sides of the inner wall of the sleeve 5, limiting strips 7 in sliding fit with the first sliding grooves 6 are fixedly connected with two sides of the output shaft of the motor 3, a rotating rod 8 fixedly connected with one end of the sleeve 5 penetrates into the box body 1, two limiting plates 9 and two limiting plates 9 are fixedly connected with one end of the rotating rod 8, a control rod 10 is arranged between the two limiting plates 9, the control rod 10 is hinged and connected with the fixed plate 4, one of the limiting plates 9 is fixedly connected with a transverse rod 11 on the side, a switching assembly 12 is arranged at the other end of the rotating rod 8, the manual leveling transverse rod 11 is in a horizontal state, the situation that the jamming 14 and the gear 18 do not conflict can be caused at the moment, the control rod 10 is moved leftwards, the sleeve 5 is driven to move along the first sliding groove 6, the rotating rod 8 is driven, a circular plate 13 corresponds to the gear 18 in position, the position, so that the subsequent reactor internal pressure difference can be adjusted, and the inserting rod 22 and the inserting slot 24 can be adjusted so that the temperature of the reactor can be adjusted conveniently by moving rightwards.
The switching component 12 comprises two circular plates 13 which are oppositely distributed and fixedly connected with a rotating rod 8, a plurality of clamping teeth 14 are fixedly connected to the top surface, the bottom surface and the front side of each circular plate 13, an inner cavity 15 is formed inside the box body 1, a movable groove 16 is formed in the middle of each inner cavity 15, two first notches 17 are formed in the box body 1 in a symmetrical structure, a gear 18 is rotationally matched in each first notch 17, the side edge of the gear 18 is in meshing transmission with the clamping teeth 14, a first bevel gear 19 is fixedly connected to the inner side of the gear 18, a second bevel gear 20 is in meshing transmission with the first bevel gear 19, a threaded rod 21 penetrating into the inner cavity 15 is fixedly connected to the second bevel gear 20, an inserting rod 22 is fixedly connected to the end portion of the rotating rod 8, a rotating disk 23 for controlling temperature is arranged on the right side of the rotating rod 8, the rotating disk 23 is in rotational transmission with the box body 1, a plurality of inserting slots 24 are uniformly distributed on the rotating disk 23, the motor 3 rotates, the limiting strip 7 drives the sleeve 5, the rotating rod 8 and the circular plates 13 to rotate, the clamping teeth 14 mesh the transmission gear 18, the gear 18 drives the first bevel gear 19 to rotate, and the second bevel gear 21 to rotate.
The adjusting component 25 comprises a first threaded sleeve 26 and a movable plate 27 movably matched in the movable groove 16, second threaded sleeves 28 are fixedly connected to two sides of the movable plate 27, the first threaded sleeve 26 and the second threaded sleeve 28 are both in threaded connection with the threaded rod 21, two power-assisting components 29 are symmetrically arranged on the first threaded sleeve 26, and the threaded rod 21 rotates to drive the first threaded sleeve 26, the second threaded sleeve 28 and the movable plate 27 to move back and forth, so that the volume in the reactor is changed.
The assisting assembly 29 includes a fixed block 30 fixedly connected to the box 1, a first telescopic rod 31 fixedly connected to the first threaded sleeve 26, a third sliding slot 32 formed in the fixed block 30 at an inclined angle, a fourth sliding slot 33 penetrating through the fixed block 30 and formed in a direction where the third sliding slot 32 is close to the movable plate 27, a limiting block 34 disposed at a top end of the first telescopic rod 31, a second notch 35 formed at a bottom of the limiting block 34, a front portion of the second notch 35, a second telescopic rod 36 fixedly connected between a rear side of the second notch 35 and the first telescopic rod 31, a spring 37 wound around an outer surface of the second telescopic rod 36, two ends of the spring 37 respectively engaged with the second notch 35 and the first telescopic rod 31, a sliding rod 38 fixedly connected to a middle portion of the limiting block 34, a pressing plate 39 fixedly connected to one end of the sliding rod 38 close to the movable plate 27, a limiting ball 40 fixedly connected to the fourth sliding slot 33 and the third sliding slot 32, the other end of the sliding rod 38 sequentially penetrating through the fourth sliding slot 33 and the third sliding slot 32, the limiting ball 40 slidably engaged with the third slot 32, the first threaded sleeve 26 moving along the threaded rod 21, the second threaded rod 31, the movable plate 36, the movable plate 27, and the third threaded sleeve 34, and the movable plate 27, and the limiting block 34, and the telescopic rod 34, and the third telescopic rod 34, and the limiting ball 40.
The size of the cross section of the movable groove 16 is the same as that of the movable plate 27, and a sealing layer is fixedly connected around the movable plate 27, so that the sealing layer is beneficial to maintaining the sealing property when the movable plate 27 moves, and catalytic gas is prevented from overflowing.
The motor 3 is provided with a subdivision driver, the motor 3 is rotated at low speed at intervals through the subdivision driver, and the rotating rod 8 is convenient to be inserted into the uniform adjusting turntable 23 of the rod 22.
The side surface of the pressing plate 39 is adhered with an anti-slip layer, and the anti-slip layer prevents the pressing plate 39 from sliding when moving to press the movable plate 27.
In addition, a method for reducing the difference and controlling the temperature of a gas phase fixed bed circulating reactor comprises the following steps;
s1, starting the box body 1, and enabling the reactor to react.
And S2, adjusting, starting the motor 3, and adjusting in coordination with the change of temperature and pressure.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A gas phase fixed bed circulation reactor drop temperature control device comprises:
a box body (1);
the method is characterized in that:
further comprising a control assembly (2), said control assembly (2) being adapted to switch regulation of temperature and pressure difference;
the adjusting assembly (25), the said adjusting assembly (25) is used for regulating the magnitude of the differential pressure;
the control assembly (2) comprises a motor (3), the bottom of the motor (3) is fixedly connected with a fixing plate (4) fixedly connected with a box body (1), the outer surface of an output shaft of the motor (3) is sleeved with a sleeve (5), first sliding grooves (6) are formed in two sides of the inner wall of the sleeve (5), two limiting strips (7) in sliding fit with the first sliding grooves (6) are fixedly connected with two sides of the output shaft of the motor (3), one end of the sleeve (5) is fixedly connected with a rotating rod (8) penetrating into the box body (1), two limiting plates (9) are fixedly connected with one end of the rotating rod (8), a control rod (10) is arranged between the two limiting plates (9), the control rod (10) is hinged to the fixing plate (4) and is connected with one of a transverse rod (11) in the side of the limiting plate (9), a switching assembly (12) is arranged at the other end of the rotating rod (8), the switching assembly (12) comprises two circular plates (13) which are oppositely distributed and fixedly connected with the rotating rod (8), a plurality of clamping teeth (14) are fixedly connected with the top surface, the front side and a plurality of the clamping teeth (14) and a movable inner cavity (15) is formed in the middle of the inner cavity (15), and a first inner cavity (17) is symmetrically formed in the middle of the inner cavity (15) and arranged in the middle of the box body (1), first notch (17) normal running fit has gear (18), gear (18) side and latch (14) meshing transmission, the first bevel gear (19) of gear (18) inboard fixedly connected with, first bevel gear (19) meshing transmission has second bevel gear (20), second bevel gear (20) fixedly connected with penetrates threaded rod (21) of inner chamber (15), bull stick (8) tip fixedly connected with inserted bar (22), the right-hand carousel (23) that is equipped with controlled temperature of bull stick (8), carousel (23) and box (1) normal running fit, be evenly distributed on carousel (23) and seted up a plurality of slots (24).
2. The gas-phase fixed bed circulating reactor drop temperature control device according to claim 1, wherein: the adjusting assembly (25) comprises a first threaded sleeve (26) and a movable plate (27) which is movably matched in the movable groove (16), second threaded sleeves (28) are fixedly connected to two sides of the movable plate (27), the first threaded sleeve (26) and the second threaded sleeve (28) are in threaded connection with the threaded rod (21), and two power assisting assemblies (29) are arranged on the first threaded sleeve (26) in a symmetrical structure.
3. The gas phase fixed bed circulating reactor drop temperature control device according to claim 2, wherein: the power-assisted assembly (29) comprises a fixed block (30) fixedly connected with the box body (1) and a first telescopic rod (31) fixedly connected with the first threaded sleeve (26), a third chute (32) is arranged in the fixed block (30) in an inclined angle, the third sliding chute (32) is provided with a fourth sliding chute (33) which penetrates through the fixed block (30) in the direction close to the movable plate (27), the top end of the first telescopic rod (31) is provided with a limit block (34), the bottom of the limiting block (34) is provided with a second notch (35), the top end of the first telescopic rod (31) is inserted into the inner front part of the second notch (35), a second telescopic rod (36) is fixedly connected between the rear side surface of the second notch (35) and the first telescopic rod (31), a spring (37) is wound on the outer surface of the second telescopic rod (36), two ends of the spring (37) are respectively in hanging fit with the second notch (35) and the first telescopic rod (31), the middle part of the limiting block (34) is fixedly connected with a sliding rod (38), one end of the sliding rod (38) close to the movable plate (27) is fixedly connected with a pressing plate (39), the other end of the slide bar (38) penetrates through the fourth chute (33) and the third chute (32) in sequence and is fixedly connected with a limiting ball (40), the limiting ball (40) is in sliding fit with the third sliding groove (32).
4. The temperature control device for a vapor phase fixed bed circulating reactor according to claim 3, wherein: the size of the section of the movable groove (16) is consistent with that of the section of the movable plate (27), and the periphery of the movable plate (27) is fixedly connected with a sealing layer.
5. The gas-phase fixed bed circulating reactor drop temperature control device according to claim 4, wherein: the motor (3) is provided with a subdivision driver.
6. The temperature control device for a vapor phase fixed bed circulating reactor according to claim 5, wherein: and an anti-skid layer is adhered to the side surface of the pressing plate (39).
7. The temperature control method of the gas phase fixed bed circulating reactor drop temperature control device according to claim 6, characterized by comprising the following steps;
s1, starting, namely starting a box body (1) to enable a reactor to react;
and S2, adjusting, starting the motor (3), and adjusting in coordination with the change of temperature and pressure.
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| CN202110901797.2A CN113499740B (en) | 2021-08-06 | 2021-08-06 | Method and device for reducing difference and controlling temperature of gas-phase fixed bed circulating reactor |
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| CN202110901797.2A CN113499740B (en) | 2021-08-06 | 2021-08-06 | Method and device for reducing difference and controlling temperature of gas-phase fixed bed circulating reactor |
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| CN113499740B true CN113499740B (en) | 2023-03-10 |
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| CN112493864A (en) * | 2020-12-02 | 2021-03-16 | 珠海优特智厨科技有限公司 | Door opening and closing device and blanking equipment |
| CN112710112A (en) * | 2020-12-31 | 2021-04-27 | 宁波巨化化工科技有限公司 | Heat exchange control device for chloroethane synthesis reactor |
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| CN113499740A (en) | 2021-10-15 |
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