CN219804250U - Extractor for preparing catalyst - Google Patents

Abstract

The utility model relates to an extractor for preparing a catalyst, and belongs to the technical field of extraction equipment. The utility model provides a filter screen lack automatic clearance's problem in the main current product, proposes following technical scheme, includes the extraction jar main part that comprises jar body and end cover, and carries out fixed connection through the mounting between jar body and the end cover, the inside of jar body is equipped with the filter screen that is used for filterable, rotates on the filter screen to be connected with the (mixing) shaft, and the shaft coupling is installed on the top of (mixing) shaft. According to the utility model, the stirring shaft is additionally arranged on the filter screen, and the stirring shaft is fixedly connected to the stirring mechanism above the stirring shaft through the coupler, so that the stirring of the solution below the filter screen is realized, the mixing uniformity of the solution is improved, the cleaning component is arranged on the stirring shaft, the top of the filter screen is further cleaned in the rotating process of the cleaning component, the blockage of impurities on the filter screen is reduced, the service life of the filter screen is ensured, the shutdown cleaning or replacement of the filter screen is reduced, and the extraction efficiency of the filter screen is ensured.

Description

Extractor for preparing catalyst

Technical Field

The utility model relates to the technical field of extraction equipment, in particular to an extractor for preparing a catalyst.

Background

Extraction is also called solvent extraction or liquid-liquid extraction (which is distinguished from solid-liquid extraction, i.e. leaching), also called extraction (which is commonly used in the petroleum refining industry), is a mass transfer separation process in which a liquid extractant is used to treat a bi-component or multi-component solution which is not mutually soluble with the extractant, and component separation is realized, and is a widely applied unit operation. Common extractors include ultrasonic extractors, microwave extractors, centrifugal extractors, which utilize the difference in solubility or partition coefficient of a compound in two mutually immiscible (or slightly soluble) solvents to transfer the compound from one solvent to another.

Maleic anhydride catalyst is also called maleic anhydride or dehydrated malic anhydride, and is often called maleic anhydride for short. Colorless crystals have strong pungent odor, and the preparation method comprises benzene oxidation method, butene oxidation method and n-butane oxidation method. Wherein, when maleic anhydride catalyst is prepared by n-butane oxidation, butane (or butene) is oxidized by butane (or butene) under the action of V-Mo catalyst by air or oxygen to generate maleic anhydride, and the reaction temperature is 350-400 ℃. Then water absorption, dehydration and refining are carried out to obtain the finished product. Before dehydration, the product is extracted by an extractor and distilled for dehydration so as to ensure the purity of the obtained product.

At present, current microwave extraction equipment is in the use, usually through the extraction process with higher speed of stirring mode, improve extraction efficiency, and in order to further ensure its purity of extraction, filter through setting up the filter screen, but the setting of filter screen makes rabbling mechanism be difficult to stir the solution of its below part, and the filter screen is carried out filterable in-process to the solution its top mesh and is blocked by impurity easily, and then need carry out frequent shut down clearance or replacement to it, very much influence extraction efficiency, and traditional rabbling mechanism is difficult to ensure the miscibility of deep solution.

Therefore, how to process the extraction equipment is a technical problem that the person skilled in the art needs to solve at present.

Disclosure of Invention

The utility model aims at solving the problems in the background art and provides an extractor for preparing a catalyst.

The technical scheme of the utility model is as follows: the extractor for preparing the catalyst comprises an extraction tank body formed by a tank body and an end cover, wherein the tank body is fixedly connected with the end cover through a fixing piece, a filter screen for filtering is arranged in the tank body, a stirring shaft is rotationally connected to the filter screen, a shaft coupling is arranged at the top end of the stirring shaft, and a cleaning assembly for cleaning impurities on the surface of the filter screen is arranged on the stirring shaft;

the cleaning assembly comprises a positioning disc fixedly connected to the stirring shaft, a cleaning piece is arranged at the top of the positioning disc, a compacting ring is arranged at the top of the cleaning piece, and the compacting ring is fixedly connected with the positioning disc through bolts;

the motor is installed through the bolt on the top outer wall of end cover, and the rabbling mechanism that is used for mixed solution is installed to the output of motor, and rabbling mechanism's bottom is assembled on the shaft coupling.

Preferably, a plurality of microwave generator main bodies for solution extraction are arranged on the inner wall of the periphery of the tank body along the circumferential direction, and a hollow round table is arranged on the inner wall of the bottom of the tank body.

Preferably, a placing ring positioned on the inner wall of the tank body is integrally arranged above the hollow round table, and the filter screen is fixedly connected to the placing ring through screws.

Preferably, the fixing piece comprises a U-shaped plate arranged on the peripheral outer wall of the tank body and an L-shaped plate arranged on the peripheral outer wall of the end cover, and the U-shaped plate and the L-shaped plate are fixed through fastening bolts.

Preferably, a plurality of feeding pipes are arranged on the top shell wall of the end cover and are used for independently feeding the extracting solution and the materials.

Preferably, a plurality of vertical rods are arranged on the top shell wall of the positioning disk along the circumferential direction, a plurality of through holes are formed in the cleaning piece and the tightening ring along the circumferential direction, and the through holes are respectively sleeved on the corresponding vertical rods.

Preferably, the cleaning member comprises a fixing ring, a plurality of extension plates are arranged on the peripheral wall of the fixing ring along the circumferential direction, a plurality of brush groups are linearly distributed at the bottoms of the extension plates, and the brush groups are in contact with the filter screen.

Preferably, the stirring mechanism comprises a transverse plate fixedly connected to the inner wall of the end cover, the middle part of the transverse plate is rotationally connected with a stirring rod, two sides of the stirring rod are movably connected with liquid turning rollers positioned on the transverse plate, the tops of the liquid turning rollers are jointly connected with a connecting plate, the connecting plate is sleeved on the stirring rod, a gear is mounted on the stirring rod, a frame body is arranged on the outer side of the gear, racks are arranged on the front inner wall and the rear inner wall of the frame body, meshing transmission is carried out between the racks and the gear, and a vertical plate is fixedly connected to the outer wall of the front side of the frame body and is movably connected with the connecting plate.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. through add the (mixing) shaft on the filter screen to shaft coupling fixed connection is on the rabbling mechanism of its top, and then moves along with it, realizes the stirring to the solution of filter screen below, improves its homogeneity of mixing to set up the clearance subassembly on the (mixing) shaft, and then clean the processing to the top of filter screen at its rotatory in-process, reduce the jam of impurity to the filter screen, ensure the life of filter screen, reduce the shut down clearance or the replacement to it, ensure its extraction efficiency.

2. The traditional stirring mechanism is replaced by the stirring mechanism, and stirring of deep solution can be achieved through the stirring piece in the stirring process, so that the uniformity of mixing between the solution and the extraction liquid is further enhanced, and the extraction efficiency is improved.

Drawings

FIG. 1 shows a schematic view of a partially cut-away perspective structure of an embodiment of the present utility model;

FIG. 2 is a schematic view of the partial tank of FIG. 1 in a bottom view;

FIG. 3 is an enlarged schematic view of the partial structure at A in FIG. 2;

fig. 4 is a schematic structural view of the stirring mechanism in fig. 1.

Reference numerals: 1. a tank body; 2. an end cap; 3. hollow round table; 4. a fixing member; 41. a U-shaped plate; 42. an L-shaped plate; 5. a motor; 6. a microwave generator body; 7. a filter screen; 8. a stirring mechanism; 81. a cross plate; 82. a stirring rod; 83. a liquid turning roller; 84. a yoke plate; 85. a gear; 86. a frame; 87. a riser; 9. a stirring shaft; 10. a coupling; 11. cleaning the assembly; 111. a positioning plate; 112. cleaning the piece; 113. and (5) tightly pressing the ring.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, 3 and 4, the extractor for preparing the catalyst provided by the utility model comprises an extraction tank body formed by a tank body 1 and an end cover 2, wherein the tank body 1 and the end cover 2 are fixedly connected through a fixing piece 4. The inside of the tank body 1 is provided with a filter screen 7 for filtering. The filter screen 7 is rotationally connected with a stirring shaft 9, and a coupler 10 is arranged at the top end of the stirring shaft 9. The stirring shaft 9 is provided with a cleaning component 11 for cleaning impurities on the surface of the filter screen 7.

The cleaning assembly 11 includes a positioning plate 111 fixedly attached to the stirring shaft 9. The top of the positioning plate 111 is provided with a cleaning member 112, and a compacting ring 113 is arranged on the top of the cleaning member 112. The tightening ring 113 is fixedly connected with the positioning plate 111 through bolts.

The motor 5 is mounted on the top outer wall of the end cover 2 through bolts. The output end of the motor 5 is provided with a stirring mechanism 8 for mixing the solution, and the bottom end of the stirring mechanism 8 is assembled on a coupler 10.

The stirring mechanism 8 comprises a transverse plate 81 fixedly connected to the inner wall of the end cover 2, and a stirring rod 82 is rotatably connected to the middle part of the transverse plate 81. The both sides swing joint of puddler 82 has the turn over liquid roller 83 that is located on diaphragm 81, and the top of a plurality of turn over liquid roller 83 is connected with yoke plate 84 jointly, and yoke plate 84 cover is located on the puddler 82. The stirring rod 82 is provided with a gear 85, and a frame 86 is provided outside the gear 85. Racks are arranged on the front and rear inner walls of the frame 86, and the racks are meshed with the gear 85 for transmission. A vertical plate 87 is fixedly connected to the front outer wall of the frame 86, and the vertical plate 87 is movably connected with the connecting plate 84.

In this embodiment, the bottom end of the stirring rod 82 is assembled with the coupling 10.

In the embodiment, a discharging pipe for discharging solution is arranged at the center of the bottom of the tank body 1, and a drain pipe positioned on the peripheral wall of the tank body 1 is arranged above the filter screen 7.

In this embodiment, the vertical plate 87 is provided with a chute, in which a protruding rod is slidably connected, and a side of the protruding rod away from the chute is fixedly connected to the yoke plate 84.

The working principle of an extractor based on the preparation of one catalyst of example one is: when the apparatus is operated, the material and the extract enter the interior of the extraction tank body, and the microwave generator body 6 and the motor 5 for extraction are started. The operation of the microwave generator main body 6 performs extraction and separation operations on the solution in the extraction tank main body, and the motor 5 drives the stirring mechanism 8 to rotate. The stirring mechanism 8 drives the stirring shaft 9 to rotate through the coupler 10, so that the solution to be separated is sufficiently stirred, and the separation speed of the solution is increased. While the rotation of the stirring shaft 9 enables the cleaning assembly 11 to move, and the cleaning piece 112 in the cleaning assembly 11 cleans the filter screen 7 with the stirring shaft 9. The separated solution is filtered by a filter screen 7. The filtered solution is discharged through the discharge pipe, and the solution above the filter screen 7 is discharged through the drain pipe.

During operation of the stirring mechanism 8, the motor 5 drives the stirring rod 82 to rotate. Thereby realizing the stirring of the solution in the extraction tank main body, and the stirring rod 82 drives the gear 85 to move while rotating. The gear 85 and the rack are meshed for transmission, so that the frame 86 is driven to carry out reciprocating adjustment. The movement of the frame 86 reciprocates the vertical plate 87, and the movement of the vertical plate 87 drives the link plate 84 to move up and down. The movement of the connecting plate 84 drives the liquid turning roller 83 to perform lifting adjustment, so that the solution deep in the extraction tank body is turned, and the mixing uniformity of the solution is improved.

When the equipment needs to be cleaned inside, the motor 5 is removed firstly, the fixing piece 4 is opened, and then the end cover 2 is lifted in a lifting mode. After the end cover 2 is opened, the stirring mechanism 8 is disassembled, the filter screen 7 is disassembled in a screw disassembling mode, then the filter screen is cleaned or replaced, and after the cleaning is completed, the assembly of the filter screen is sequentially realized, so that the equipment is assembled.

Example two

As shown in fig. 1, based on the first embodiment, this embodiment further includes: a plurality of microwave generator main bodies 6 for solution extraction are arranged on the peripheral inner wall of the tank body 1 along the circumferential direction, and a hollow round table 3 is arranged on the bottom inner wall of the tank body 1. The upper part of the hollow round table 3 is integrally provided with a placement ring positioned on the inner wall of the tank body 1, and the filter screen 7 is fixedly connected to the placement ring through screws. The fixing member 4 comprises a U-shaped plate 41 arranged on the peripheral outer wall of the tank body 1 and an L-shaped plate 42 arranged on the peripheral outer wall of the end cover 2, and the U-shaped plate 41 and the L-shaped plate 42 are fixed through fastening bolts. A plurality of feeding pipes are arranged on the top shell wall of the end cover 2 and are used for independently feeding the extracting solution and the materials.

In this embodiment, the microwave generator body 6 is provided to separate the solutions by microwave vibration.

In this embodiment, the U-shaped plates 41 and the L-shaped plates 42 are in one-to-one correspondence.

Example III

As shown in fig. 2-3, based on the first or second embodiment, the present embodiment further includes: a plurality of vertical bars are provided on the top case wall of the positioning plate 111 in the circumferential direction. The cleaning member 112 and the compressing ring 113 are provided with a plurality of through holes along the circumferential direction, and the through holes are respectively sleeved on the corresponding vertical rods. The cleaning member 112 includes a fixing ring, and a plurality of extension plates are provided on a circumferential wall of the fixing ring in a circumferential direction, and a plurality of brush groups are linearly distributed at bottoms of the extension plates, and the brush groups are in contact with the filter screen 7.

In this embodiment, the vertical rod and the through hole are provided, so that the assembly of the cleaning member 112 and the compression ring 113 in the cleaning assembly 11 is guided and assembled.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (8)

1. The utility model provides an extraction machine of catalyst preparation, includes the extraction jar main part that constitutes by jar body (1) and end cover (2), and carries out fixed connection through mounting (4) between jar body (1) and end cover (2), its characterized in that: a filter screen (7) for filtering is arranged in the tank body (1), a stirring shaft (9) is rotationally connected to the filter screen (7), a coupler (10) is arranged at the top end of the stirring shaft (9), and a cleaning assembly (11) for cleaning impurities on the surface of the filter screen (7) is arranged on the stirring shaft (9);

the cleaning assembly (11) comprises a positioning disc (111) fixedly connected to the stirring shaft (9), a cleaning piece (112) is arranged at the top of the positioning disc (111), a compacting ring (113) is arranged at the top of the cleaning piece (112), and the compacting ring (113) is fixedly connected with the positioning disc (111) through bolts;

the motor (5) is installed on the top outer wall of the end cover (2) through a bolt, the stirring mechanism (8) for mixing the solution is installed at the output end of the motor (5), and the bottom end of the stirring mechanism (8) is assembled on the coupler (10).

2. The extractor for the preparation of a catalyst according to claim 1, wherein: a plurality of microwave generator main bodies (6) for solution extraction are arranged on the peripheral inner wall of the tank body (1) along the circumferential direction, and a hollow round table (3) is arranged on the bottom inner wall of the tank body (1).

3. The extractor for the preparation of a catalyst according to claim 2, characterized in that: the upper part of the hollow round table (3) is integrally provided with a placement ring positioned on the inner wall of the tank body (1), and the filter screen (7) is fixedly connected to the placement ring through screws.

4. The extractor for the preparation of a catalyst according to claim 1, wherein: the fixing piece (4) comprises a U-shaped plate (41) arranged on the peripheral outer wall of the tank body (1) and an L-shaped plate (42) arranged on the peripheral outer wall of the end cover (2), and the U-shaped plate (41) and the L-shaped plate (42) are fixed through fastening bolts.

5. The extractor for the preparation of a catalyst according to claim 1, wherein: a plurality of feeding pipes are arranged on the top shell wall of the end cover (2) and are used for independently feeding the extracting solution and the materials.

6. The extractor for the preparation of a catalyst according to claim 1, wherein: a plurality of vertical rods are arranged on the top shell wall of the positioning disc (111) along the circumferential direction, a plurality of through holes are formed in the cleaning piece (112) and the compression ring (113) along the circumferential direction, and the through holes are respectively sleeved on the corresponding vertical rods.

7. The extractor for the preparation of a catalyst according to claim 1, wherein: the cleaning piece (112) comprises a fixed ring, a plurality of extension plates are arranged on the peripheral wall of the fixed ring along the circumferential direction, a plurality of brush groups are linearly distributed at the bottoms of the extension plates, and the brush groups are in contact with the filter screen (7).

8. The extractor for the preparation of a catalyst according to claim 1, wherein: stirring mechanism (8) including diaphragm (81) of fixed connection on end cover (2) inner wall, the middle part of diaphragm (81) rotates and is connected with puddler (82), the both sides swing joint of puddler (82) have turn over liquid roller (83) that are located on diaphragm (81), a plurality of the top of turn over liquid roller (83) be connected with yoke plate (84) jointly, and yoke plate (84) cover is located on puddler (82), install gear (85) on puddler (82), the outside of gear (85) is equipped with framework (86), all is equipped with the rack on the front and back inner wall of framework (86), the meshing transmission between rack and the gear (85), fixedly connected with riser (87) on the front side outer wall of framework (86), swing joint between riser (87) and the yoke plate (84).