CN112191277A

CN112191277A - Preparation method of catalyst

Info

Publication number: CN112191277A
Application number: CN202011059323.XA
Authority: CN
Inventors: 孙涛
Original assignee: 孙涛
Current assignee: YUEYANG CHANG WANG CHEMICAL Co.,Ltd.
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-08
Anticipated expiration: 2040-09-30
Also published as: CN112191277B

Abstract

The invention relates to a catalyst preparation method, which uses a catalyst preparation device, wherein the catalyst preparation device comprises a support plate, a turnover mechanism, a clamping mechanism and a spraying mechanism, the turnover mechanism is arranged in the middle of the upper end surface of the support plate, the clamping mechanism is arranged on the turnover mechanism, the spraying mechanism is arranged on the support plate, and the spraying mechanism is positioned above the clamping mechanism. The invention can solve the problems that when the catalytic liquid is sprayed on the catalyst carrier, the catalytic liquid cannot be uniformly sprayed on the catalyst carrier, so that the catalyst carrier cannot uniformly absorb the catalytic liquid, the catalytic effect of the catalyst carrier in use is influenced, and the catalytic reaction rate is influenced, and can also solve the problems that the existing device cannot intermittently turn over the catalyst carrier at 180 degrees in the spraying time, so that competitive adsorption is caused, the absorption efficiency of the catalyst carrier on the catalytic liquid is influenced, the catalytic liquid cannot be recycled, and the catalytic liquid is easily wasted.

Description

Preparation method of catalyst

Technical Field

The invention relates to the technical field of chemical catalysts, and particularly relates to a preparation method of a catalyst.

Background

The catalyst, named catalyst in english, is a substance that changes the reaction rate without changing the total standard gibbs free energy of the reaction, and is generally defined as a substance that can change (increase or decrease) the chemical reaction rate of a reactant without changing the chemical equilibrium in a chemical reaction, and the mass and chemical properties of the substance are not changed before and after the chemical reaction, and is called a catalyst (solid catalyst is also called a catalyst). There are various methods for preparing the catalyst, and the conventional methods include a mechanical mixing method, a precipitation method, an impregnation method, a solution evaporation method, a thermal melting method, a leaching method (leaching method), an ion exchange method, and the like, and new methods developed in the last decade include a chemical bonding method, a fiberization method, and the like. The catalyst is widely used in chemical production, scientific experiments and life activities. For example, vanadium pentoxide is used as a catalyst in the production of sulfuric acid. The ammonia gas is synthesized by nitrogen and hydrogen, and a multi-group catalyst mainly comprising iron is used, so that the reaction rate is improved. In oil refineries, the catalyst is still few, and different catalysts are selected to obtain gasoline and kerosene with different qualities. The acidic and alkaline colour Coxsackie catalysts are synthesized by chemical industry. The tail gas contains harmful CO and NO, and the catalyst of Pt and other metals can convert them into harmless CO and N quickly. The enzyme is protein with catalytic ability produced by plants, animals and microorganisms, the chemical reaction of organisms is almost performed under the catalytic action of the enzyme, and the brewing industry, the pharmaceutical industry and the like are catalyzed by catalysts. The catalyst has wide application, good catalytic effect and high reaction rate, but most of the catalysts are emulsion or particles with small particles, and a carrier is needed for carrying and placing the catalysts, so the invention provides a method for preparing the catalyst by a leaching method aiming at the tiny characteristics of the catalyst, wherein a catalyst preparation device is used.

At present, aiming at the existing catalyst preparation device, the following defects exist: 1. when the existing catalyst preparation device sprays the catalytic liquid onto the catalyst carrier, the catalytic liquid cannot be uniformly sprayed onto the catalyst carrier, so that the catalyst carrier cannot uniformly absorb the catalytic liquid, the catalytic effect of the catalyst carrier in use is influenced, and the catalytic reaction rate is influenced; 2. the existing catalyst preparation device can not spray a catalyst carrier, and the catalyst carrier is intermittently turned over by 180 degrees, so that competitive adsorption is easily caused when catalytic liquid is sprayed onto the carrier, the absorption efficiency of the catalyst carrier on the catalytic liquid is influenced, the catalytic liquid cannot be recycled, and the catalytic liquid is easily wasted.

Disclosure of Invention

Technical problem to be solved

The invention can solve the problems that the catalyst carrier can not uniformly absorb the catalytic liquid, the catalytic effect of the catalyst carrier in use is influenced and the catalytic reaction rate is influenced because the catalytic liquid can not be uniformly sprayed on the catalyst carrier when the catalyst preparation device in the prior art sprays the catalytic liquid on the catalyst carrier, and can also solve the problems that the catalyst carrier can not be intermittently turned over by 180 degrees when the catalyst preparation device in the prior art sprays the catalyst carrier, the competitive adsorption is easily caused when the catalytic liquid is sprayed on the carrier, the absorption efficiency of the catalyst carrier on the catalytic liquid is influenced, the catalytic liquid can not be recycled, and the catalytic liquid is easily wasted.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme that a catalyst preparation device is used in the catalyst preparation method, the catalyst preparation device comprises a supporting plate, a turnover mechanism, a clamping mechanism and a spraying mechanism, the supporting plate comprises a supporting transverse plate and a supporting vertical plate, the turnover mechanism is installed in the middle of the upper end face of the supporting transverse plate, the clamping mechanism is installed on the turnover mechanism, the spraying mechanism is installed on the supporting vertical plate, and the spraying mechanism is located above the clamping mechanism.

Tilting mechanism include supporting seat, rotation motor, pivot, I-shaped wheel, band pulley, bull stick, conveyer belt, recess and upset branch chain, support diaphragm up end middle part right side install the supporting seat, install through the motor cabinet and rotate the motor on the supporting seat, rotate and install the pivot through the shaft coupling on the output shaft of motor, install the I-shaped wheel in the pivot, the I-shaped wheel bilateral symmetry is provided with the band pulley, the band pulley is connected with bull stick one end, the bull stick other end passes through the bearing and installs on supporting riser, I-shaped wheel and band pulley between connect through the conveyer belt, set up the recess on the conveyer belt, install the upset branch chain in the recess.

The clamping mechanism comprises a clamping plate, a clamping block, a rubber pad, a flow guide groove, a sliding block, a locking branched chain, a turnover rod, a supporting rotating rod and an electric push rod, wherein the clamping plate is provided with a sliding groove, the clamping block is symmetrically installed in the sliding groove in a sliding fit manner, the clamping block is of an L-shaped structure, the rubber pad is arranged on the clamping block, the flow guide groove is arranged between the two clamping blocks, a cavity is formed in the clamping plate, the sliding blocks are symmetrically arranged in the cavity in a sliding fit manner, one end of the sliding block is connected with the clamping block, the locking branched chain is arranged between the two sliding blocks, the right end face of the clamping plate is provided with the turnover rod, the left end face of the clamping plate is provided with the supporting rotating rod in a rotating fit manner, the other end of the supporting rotating rod is installed on the supporting vertical plate through a bearing, the turnover rod, the movable end of the electric push rod is connected with the clamping plate.

The spraying mechanism comprises a spraying frame, catalytic liquid, a spraying pump, a spraying pipe, a spraying plate, a spraying rod, a spraying head and a circulating branched chain, the spraying frame is installed in the middle of the right end face of a supporting vertical plate and is of an Contraband-type structure with a downward opening, a liquid storage tank is arranged inside the spraying frame, the catalytic liquid is filled in the liquid storage tank, the spraying pump is installed in the middle of the upper end face of the spraying frame and is connected with the spraying pipe, the spraying pipe is connected with the spraying plate, the spraying rod is evenly arranged on the spraying plate, the spraying head is installed on the spraying rod, the spraying pipe is connected with the circulating branched chain, and the circulating branched chain is installed on a supporting plate.

The catalyst preparation device comprises the following steps:

the method comprises the following steps: clamping the honeycomb carrier: manually placing the rectangular honeycomb catalyst carrier on a clamping mechanism for locking and fixing;

step two: spraying a catalytic liquid: spraying catalytic liquid on the catalyst carrier through a spraying mechanism to enable the catalyst carrier to be fully absorbed;

step three: and (3) intermittently overturning at 180 degrees: the catalyst carrier is intermittently turned over by 180 degrees through the turning mechanism, so that the catalyst carrier can absorb the catalytic liquid more uniformly, and competitive adsorption is prevented;

step four: circulating spraying: when the catalyst carrier is turned over by the turning mechanism, the catalyst carrier is sprayed for the second time by the circulating branched chain, so that the catalyst carrier is absorbed more fully;

step five: air drying and collecting: and taking out the rectangular honeycomb carrier which fully absorbs the catalytic liquid from the clamping mechanism, and performing uniform collection and treatment through natural air drying.

As a preferred technical scheme of the invention: the turnover branched chain comprises a clamping ring, a supporting rod, inclined supporting rods, a rack plate and a gear, wherein the clamping ring is arranged in a groove formed in the conveying belt in a clamping mode, the supporting rod is arranged on the clamping ring, the inclined supporting rods are symmetrically arranged on the supporting rod in a left-right mode, the rack plate is arranged on the inclined supporting rods, the gear is connected to the rack plate in a gear meshing mode, and the gear is connected with the turnover rod.

As a preferred technical scheme of the invention: the locking branched chain comprises a bidirectional cylinder, a locking rod, a locking head, a limiting ring and a buffer spring, wherein the bidirectional cylinder is installed in a cavity inside the clamping plate through a cylinder seat, the output end of the bidirectional cylinder is connected with the locking rod through a flange, the locking head is installed on the upper end face of the locking rod, the limiting ring is sleeved at the lower end of the locking rod in a sliding fit mode, and the buffer spring is arranged between the limiting ring and the locking head.

As a preferred technical scheme of the invention: the circulation branch chain include collecting box, filter screen, suction pump and circulating pipe, the collecting box install in supporting diaphragm up end middle part, the collecting box is the ascending box structure of opening, the collecting box middle part is provided with the filter screen, is provided with the suction pump in the collecting box, the suction pump is connected with circulating pipe one end, the support riser on seted up circular through-hole, the circulating pipe other end passes circular through-hole and is connected with the shower.

As a preferred technical scheme of the invention: the diversion trench is shaped like a funnel, and a snake-shaped track is arranged in the diversion trench.

As a preferred technical scheme of the invention: the spray header divide into two sets ofly, a set ofly install on spraying the board through the spray bar, the structure semicircular structure, another group installs on spraying the frame through the spray bar, the structure is round platform type structure, and every sprays the nozzle hole that the end evenly was provided with a plurality of round platform shapes.

(III) advantageous effects

1. The catalyst preparation method provided by the invention can solve the problems that when the catalyst preparation device sprays the catalytic liquid onto the catalyst carrier, the catalytic liquid cannot be uniformly sprayed onto the catalyst carrier, so that the catalyst carrier cannot uniformly absorb the catalytic liquid, the catalytic effect of the catalyst carrier in use is influenced, and the catalytic reaction rate is influenced, and can also solve the problems that when the catalyst carrier cannot be sprayed by the existing catalyst preparation device, the intermittent 180-degree overturning easily causes competitive adsorption when the catalytic liquid is sprayed onto the carrier, the absorption efficiency of the catalyst carrier on the catalytic liquid is influenced, the catalytic liquid cannot be recycled, and the catalytic liquid is easily wasted.

2. According to the catalyst preparation method provided by the invention, the clamping mechanism can stably clamp the catalyst carrier, the contact surface with the catalyst carrier is smaller, the catalyst carrier can fully absorb the catalytic liquid sprayed by the spraying mechanism, the catalyst carrier can fully absorb the catalytic liquid, the catalytic effect of the catalyst carrier in use is improved, and the reaction rate of catalytic reaction is improved.

3. According to the preparation method of the catalyst, the circulating branched chain can collect and recycle the sprayed catalytic liquid and can be matched with the turnover mechanism, so that the catalytic liquid is uniformly sprayed on the catalyst carrier, the catalytic liquid is uniformly and fully absorbed, and the waste of the catalytic liquid is reduced.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of the operation of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic diagram of the transverse cross-sectional structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the clamping mechanism of the present invention;

FIG. 5 is a schematic longitudinal cross-sectional view of the present invention;

fig. 6 is a schematic perspective view of the turnover mechanism and the bottom plate of the present invention.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 6, a catalyst preparation method uses a catalyst preparation device, the catalyst preparation device includes a support plate 1, a turnover mechanism 2, a clamping mechanism 3 and a spraying mechanism 4, the support plate 1 includes a support transverse plate 11 and a support vertical plate 12, the turnover mechanism 2 is installed in the middle of the upper end surface of the support transverse plate 11, the clamping mechanism 3 is installed on the turnover mechanism 2, the spraying mechanism 4 is installed on the support vertical plate 12, and the spraying mechanism 4 is located above the clamping mechanism 3.

The clamping mechanism 3 comprises a clamping plate 31, clamping blocks 32, rubber pads 33, a diversion trench 34, sliding blocks 35, locking branched chains 36, a turning rod 37, a supporting rotating rod 38 and an electric push rod 39, wherein a sliding groove is formed in the clamping plate 31, the clamping blocks 32 are symmetrically installed in the sliding groove in a sliding fit mode, the clamping blocks 32 are of an L-shaped structure, the rubber pads 33 are arranged on the clamping blocks 32, the diversion trench 34 is formed between the two clamping blocks 32, a cavity is formed in the clamping plate 31, the sliding blocks 35 are symmetrically installed in the cavity in a sliding fit mode, one end of each sliding block 35 is connected with the corresponding clamping block 32, the locking branched chains 36 are arranged between the two sliding blocks 35, the turning rod 37 is installed on the right end face of the clamping plate 31, the supporting rotating rod 38 is installed on the left end face of the clamping plate 31 in a rotating fit mode, and the other end of the supporting rotating rod, the turnover rod 37 and the support rotating rod 38 are both provided with circular grooves, the circular grooves are internally provided with electric push rods 39, the movable ends of the electric push rods 39 are connected with the clamping plates 31, the diversion groove 34 is funnel-shaped, and the diversion groove 34 is internally provided with a snake-shaped track, when the device works in detail, a honeycomb rectangular catalyst carrier is manually placed between the two clamping plates 31, the clamping plates 31 are pushed inwards by the electric push rods 39 in the support rotating rod 38 and the turnover rod 37, so that the distance between the two clamping plates 31 can be reduced, the purpose of contacting the clamping block 32 with the catalyst carrier is achieved, the clamping block 32 is L-shaped, the clamping effect can be increased, the clamping stability is improved, the rubber pad 33 plays a role in protecting the catalyst carrier, the carrier is prevented from being deformed due to overlarge clamping force, the using effect of the catalyst is influenced, and meanwhile, the contact surface of the clamping block 32 and the catalyst carrier is smaller, can increase the catalyst carrier when spraying the catalytic liquid, the area of contact of carrier and catalytic liquid, be favorable to improving the efficiency that the catalyst carrier absorbed the catalytic liquid, it can be when spraying to be provided with hourglass hopper-shaped guiding gutter 34 between two grip blocks 32, the catalytic liquid can be down along guiding gutter 34, funnel shape top opening is big, can increase the volume of catalytic liquid in inflow guiding gutter 34, the below opening is little simultaneously, be provided with snakelike orbit, can reduce the velocity of flow of catalytic liquid in guiding gutter 34, increase the contact time of catalytic liquid also the carrier, be favorable to the carrier to fully absorb catalytic liquid, wherein the locking branch chain plays the effect of adjusting the grip block 32 distance, be favorable to increasing the locking effect to the carrier, can adjust the distance between the grip block 32 according to the size of carrier simultaneously, be favorable to increasing the suitability of this device.

The locking branched chain 36 comprises a bidirectional cylinder 361, a locking rod 362, a locking head 363, a limiting ring 364 and a buffer spring 365, the bidirectional cylinder 361 is installed in the cavity inside the clamping plate 31 through a cylinder seat, the output end of the bidirectional cylinder 361 is connected with the locking rod 362 through a flange, the locking head 363 is installed on the upper end face of the locking rod 362, the limiting ring 364 is sleeved at the lower end of the locking rod 362 in a sliding fit manner, the buffer spring 365 is arranged between the limiting ring 364 and the locking head 363, when the size of the honeycomb rectangular catalyst carrier is large or small, the locking rod can be pushed or pulled to move through the extension or contraction of the bidirectional cylinder 361, and then the distance between the clamping blocks 32 connected with the sliding block 35 is controlled through the connection of the locking head 363 and the sliding block 35, so as to achieve the purpose of locking and fixing the catalyst carrier, the buffer spring 365 plays a role of buffering, the locking effect of the clamping block 32 on the catalyst carrier is improved.

The spraying mechanism 4 comprises a spraying frame 41, a catalytic liquid 42, a spraying pump 43, a spraying pipe 44, a spraying plate 45, a spraying rod 46, a spraying head 47 and a circulating branch chain 48, the spraying frame 41 is installed in the middle of the right end face of the supporting vertical plate 12, the spraying frame 41 is of an Contraband type structure with a downward opening, a liquid storage tank is arranged inside the spraying frame 41 and is filled with the catalytic liquid 42, the spraying pump 43 is installed in the middle of the upper end face of the spraying frame 41, the spraying pump 43 is connected with the spraying pipe 44, the spraying pipe 44 is connected with the spraying plate 45, the spraying plate 45 is uniformly provided with the spraying rod 46, the spraying head 47 is installed on the spraying rod 46, the spraying pipe 44 is connected with the circulating branch chain 48, the circulating branch chain 48 is installed on the supporting plate 1, when the spraying frame 41 works specifically, the spraying frame 41 plays a role of supporting and storing the catalytic liquid 42, when a catalyst carrier is stably clamped by the, the spray pump 43 enables the catalytic liquid 42 to enter the spray plate 45 through the spray pipe 44, so that the catalytic liquid 42 can be uniformly sprayed onto the catalyst carrier from the spray header 47 through the spray rod 46, and the circulating branch chain 48 can collect and recycle the catalytic liquid flowing down from the catalyst carrier, thereby being beneficial to reducing the waste of the catalytic liquid.

The spray headers 47 are divided into two groups, one group is arranged on the spray plate 45 through the spray rods 46, the structure is in a semicircular structure, the other group is arranged on the spray racks 41 through the spray rods 46, the structure is in a circular truncated cone structure, the spray end of each spray rack 41 is uniformly provided with a plurality of circular truncated cone-shaped nozzle holes, the circulating branch chain 48 comprises a collection box 481, a filter screen 482, a water suction pump 483 and a circulating pipe 484, the collection box 481 is arranged in the middle of the upper end face of the supporting transverse plate 11, the collection box 481 is in a box body structure with an upward opening, the filter screen 482 is arranged in the middle of the collection box 481, the water suction pump 483 is arranged in the collection box 481, the water suction pump 483 is connected with one end of the circulating pipe 484, the supporting vertical plate 12 is provided with a circular through hole, the other end of the circulating pipe 484 penetrates through the circular, the area of the catalytic liquid sprayed on the catalyst carrier is increased, the absorption efficiency of the catalyst carrier on the catalytic liquid 42 is improved, the spray header 47 arranged on the spray frame 1 and having a circular truncated cone structure can spray the catalytic liquid 42 through a fine spray nozzle, the spray headers 47 on the two sides of the spray frame 41 spray relatively, the catalytic liquid 42 is sprayed on the catalyst carrier comprehensively, the absorption effect of the catalyst carrier on the catalytic liquid is improved, the collection box 481 is internally provided with a filter screen 482 which can filter the catalytic liquid 42 passing through the catalyst carrier, the pollution of dust or dropped small particles on the catalyst carrier to the catalytic liquid is prevented, the recycling effect of the catalyst 32 is influenced, the water pump 483 can pump the catalytic liquid 42 flowing into the collection box 481 into the spray frame 41 through a circulation pipe 484, and the purpose of recycling the catalytic liquid 42 is achieved, which is beneficial to reducing the waste of the catalyst liquid 42.

The turnover mechanism 2 comprises a supporting seat 21, a rotating motor 22, a rotating shaft 23, a spool 24, a belt wheel 25, a rotating rod 26, a conveying belt 27, a groove 28 and a turnover branched chain 29, the supporting seat 21 is installed on the right side of the middle part of the upper end surface of the supporting transverse plate 11, the rotating motor 22 is installed on the supporting seat 21 through a motor base, the rotating shaft 23 is installed on an output shaft of the rotating motor 22 through a coupler, the spool 24 is installed on the rotating shaft 23, the belt wheels 25 are symmetrically arranged on two sides of the spool 24, the belt wheels 25 are connected with one end of the rotating rod 26, the other end of the rotating rod 26 is installed on the supporting vertical plate 12 through a bearing, the spool 24 is connected with the belt wheels 25 through the conveying belt 27, the groove 28 is formed in the conveying belt 27, the turnover branched chain 29 is installed in the groove 28, and during specific work, can make the purpose that upset branch chain 29 carried on the conveyer belt through band pulley transmission principle, set up fluted 28 on the conveyer belt 27 and can prevent that upset branch chain 29 from taking place the card pause when carrying out the transport, influence conveying efficiency, upset branch chain 29 can reach the purpose of carrying out 180 degrees intermittent type nature upset with the catalyst carrier, can make the catalyst carrier more abundant with catalysis liquid 42 contact, simultaneously can prevent that catalysis liquid 42 from spraying the uniform position on the catalyst carrier for a long time and causing the competitive adsorption, influence the absorption effect of carrier to catalysis liquid 42, be favorable to catalyst carrier evenly abundant to absorb catalysis liquid 42, be favorable to the effect of catalyst carrier when using, be favorable to improving catalytic reaction's speed.

The turning branched chain 29 comprises a clamping ring 291, a supporting rod 292, inclined supporting rods 293, a rack plate 294 and a gear 295, wherein the clamping ring 291 is arranged in a groove 28 formed in the conveying belt 27 in a clamping manner, the supporting rod 292 is arranged on the clamping ring 291, the inclined supporting rods 293 are symmetrically arranged on the supporting rod 292 in the left-right direction, the rack plate 294 is arranged on the inclined supporting rods 293, the gear 295 is connected to the rack plate 294 in a gear meshing manner, the gear 295 is connected with the turning rod 37, in the specific work process, the clamping ring 291 plays a role in matching with the groove 28, the clamping effect can be increased, the supporting rod 292 and the inclined supporting rods 293 play a role in supporting the rack plate 294, the rack plate 294 can circularly move on the conveying belt 27 through the conveying of the conveying belt 27, when the rack plate 294 is in contact with the gear 295, the gear 295 can be driven to rotate, and when the gear 295 rotates for one circle, the purpose of turning over, when the rack plate 294 moves to a position where the rack plate cannot rotate with the gear 295, the catalyst carrier stops rotating, and the purpose of controlling 180-degree intermittent overturning of the catalyst carrier is achieved, so that adsorption competition of the catalyst carrier on the catalytic liquid 42 is avoided, the catalyst carrier can absorb the catalytic liquid more sufficiently and uniformly, and the absorption effect is better.

The method for preparing the catalyst by using the catalyst preparation device comprises the following steps:

the method comprises the following steps: clamping the honeycomb carrier: manually placing the rectangular honeycomb catalyst carrier on the clamping mechanism 3 for locking and fixing;

step two: spraying a catalytic liquid: spraying the catalytic liquid 42 to the catalyst carrier through the spraying mechanism 4 to make the catalytic liquid fully absorbed;

step three: and (3) intermittently overturning at 180 degrees: the catalyst carrier is intermittently turned over by 180 degrees through the turning mechanism 2, so that the catalyst carrier can absorb the catalytic liquid 42 more uniformly, and competitive adsorption is prevented;

step four: circulating spraying: when the catalyst carrier is turned over by the turning mechanism 2, the catalyst carrier is sprayed for the second time by the circulating branched chain 48, so that the catalyst carrier is absorbed more fully;

step five: air drying and collecting: the rectangular honeycomb carrier which has sufficiently absorbed the catalytic liquid 42 is taken out from the holding mechanism 3, and is subjected to natural air drying and unified collection processing.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A catalyst preparation method uses a catalyst preparation device which comprises a support plate (1), a turnover mechanism (2), a clamping mechanism (3) and a spraying mechanism (4), and is characterized in that: the supporting plate (1) comprises a supporting transverse plate (11) and a supporting vertical plate (12), a turnover mechanism (2) is arranged in the middle of the upper end face of the supporting transverse plate (11), a clamping mechanism (3) is arranged on the turnover mechanism (2), a spraying mechanism (4) is arranged on the supporting vertical plate (12), and the spraying mechanism (4) is positioned above the clamping mechanism (3); wherein:

the turnover mechanism (2) comprises a support seat (21), a rotating motor (22), a rotating shaft (23), a spool (24), belt wheels (25), a rotating rod (26), a conveying belt (27), a groove (28) and a turnover branched chain (29), wherein the support seat (21) is installed on the right side of the middle part of the upper end surface of the supporting transverse plate (11), the rotating motor (22) is installed on the support seat (21) through a motor base, the rotating shaft (23) is installed on an output shaft of the rotating motor (22) through a coupler, the spool (24) is installed on the rotating shaft (23), the belt wheels (25) are symmetrically arranged on two sides of the spool (24), the belt wheels (25) are connected with one end of the rotating rod (26), the other end of the rotating rod (26) is installed on the supporting vertical plate (12) through a bearing, the spool (24) is connected with the belt wheels (25) through the conveying belt (27, an overturning branched chain (29) is arranged in the groove (28);

the clamping mechanism (3) comprises a clamping plate (31), clamping blocks (32), a rubber pad (33), a flow guide groove (34), sliding blocks (35), a locking branched chain (36), a turnover rod (37), a supporting rotating rod (38) and an electric push rod (39), wherein the clamping plate (31) is provided with the sliding groove, the clamping blocks (32) are symmetrically installed in the sliding groove in a sliding fit mode, the clamping blocks (32) are L-shaped structures, the clamping blocks (32) are provided with the rubber pad (33), the flow guide groove (34) is arranged between the two clamping blocks (32), a cavity is formed in the clamping plate (31), the sliding blocks (35) are symmetrically arranged in the cavity in a sliding fit mode, one end of each sliding block (35) is connected with the clamping block (32), the locking branched chain (36) is arranged between the two sliding blocks (35), the turnover rod (37) is installed on the right end face of the clamping plate (31), a supporting rotating rod (38) is mounted on the left end face of the clamping plate (31) in a rotating fit mode, the other end of the supporting rotating rod (38) is mounted on the supporting vertical plate (12) through a bearing, circular grooves are formed in the overturning rod (37) and the supporting rotating rod (38), an electric push rod (39) is arranged in each circular groove, and the movable end of the electric push rod (39) is connected with the clamping plate (31);

the spraying mechanism (4) comprises a spraying frame (41), a catalytic liquid (42), a spraying pump (43), a spraying pipe (44), a spraying plate (45), a spraying rod (46), a spraying head (47) and a circulating branch chain (48), the spray frame (41) is arranged in the middle of the right end face of the support vertical plate (12), the spray frame (41) is of an Contraband type structure with a downward opening, a liquid storage tank is arranged in the spray frame (41), catalytic liquid (42) is filled in the liquid storage tank, a spray pump (43) is arranged in the middle of the upper end face of the spray frame (41), the spray pump (43) is connected with a spray pipe (44), the spray pipe (44) is connected with a spray plate (45), spray rods (46) are uniformly arranged on the spray plate (45), spray heads (47) are arranged on the spray rods (46), the spraying pipe (44) is connected with the circulating branch chain (48), and the circulating branch chain (48) is arranged on the support plate (1);

the catalyst preparation device comprises the following steps:

the method comprises the following steps: clamping the honeycomb carrier: manually placing the rectangular honeycomb catalyst carrier on a clamping mechanism (3) for locking and fixing;

step two: spraying a catalytic liquid: spraying a catalytic liquid (42) on the catalyst carrier through a spraying mechanism (4) to ensure that the catalytic liquid is fully absorbed;

step three: and (3) intermittently overturning at 180 degrees: the catalyst carrier is intermittently turned over by 180 degrees through the turning mechanism (2), so that the catalyst carrier can absorb the catalytic liquid (42) more uniformly, and competitive adsorption is prevented;

step four: circulating spraying: when the catalyst carrier is turned over by the turning mechanism (2), the catalyst carrier is sprayed for the second time by the circulating branched chain (48) so that the catalyst carrier can be absorbed more fully;

step five: air drying and collecting: and taking out the rectangular honeycomb carrier which fully absorbs the catalytic liquid (42) from the clamping mechanism (3), and performing uniform collection treatment through natural air drying.

2. A method of preparing a catalyst according to claim 1, wherein: upset branched chain (29) include snap ring (291), bracing piece (292), diagonal brace (293), rack plate (294) and gear (295), snap ring (291) install in recess (28) of seting up on conveyer belt (27) through the mode of joint, install bracing piece (292) on snap ring (291), bilateral symmetry is provided with diagonal brace (293) on bracing piece (292), is provided with rack plate (294) on diagonal brace (293), is connected with gear (295) through gear engagement's mode on rack plate (294), gear (295) are connected with upset pole (37).

3. A method of preparing a catalyst according to claim 1, wherein: locking branch (36) include two-way cylinder (361), check lock lever (362), locking head (363), spacing ring (364) and buffer spring (365), grip block (31) internal cavity in install two-way cylinder (361) through the cylinder block, the output of two-way cylinder (361) has check lock lever (362) through flange joint, check lock head (363) are installed to check lock lever (362) up end, check lock lever (362) lower extreme is equipped with spacing ring (364) through sliding fit's mode cover, is provided with buffer spring (365) between spacing ring (364) and check lock head (363).

4. A method of preparing a catalyst according to claim 1, wherein: circulation branch (48) including collecting box (481), filter screen (482), suction pump (483) and circulating pipe (484), collecting box (481) install in support diaphragm (11) up end middle part, collecting box (481) are the ascending box structure of opening, collecting box (481) middle part is provided with filter screen (482), is provided with suction pump (483) in collecting box (481), suction pump (483) are connected with circulating pipe (484) one end, support riser (12) on seted up circular through-hole, the circulating pipe (484) other end passes circular through-hole and is connected with shower (44).

5. A method of preparing a catalyst according to claim 1, wherein: the diversion trench (34) is in a funnel-shaped structure, and a snake-shaped track is arranged in the diversion trench (34).

6. A method of preparing a catalyst according to claim 1, wherein: the spray headers (47) are divided into two groups, one group is arranged on the spray plate (45) through the spray rods (46), the structure is in a semicircular structure, the other group is arranged on the spray frame (41) through the spray rods (46), the structure is in a circular truncated cone structure, and a plurality of circular truncated cone-shaped nozzle holes are uniformly formed in the spray end of each spray frame (41).