CN114588863A - A kind of chemical reaction kettle for hydrothermal synthesis catalyst - Google Patents

Abstract

The invention discloses a chemical reaction kettle for synthesizing a catalyst by a hydrothermal method, belonging to the technical field of reaction kettles, comprising a main body cylinder and an outer casing. The cylinder is detachably arranged in the fixing part 1, and the side wall of the outer casing is provided with a liquid inlet and a liquid outlet at the position of the fixing part 1; the bottom wall of the outer casing is provided with a positive and negative motor, and the output of the positive and negative motor The end of the shaft is fixed with a clamping block, the bottom wall of the main body cylinder is fixed with a hollow structure cylinder towards the inside of the main body cylinder, the output shaft of the positive and negative motors is set in the cylinder, and the top of the cylinder is provided with a partition, the partition The top of the plate is provided with an opening and a baffle; the tops of the main barrel and the outer casing are respectively provided with a sealing cover 1 and a sealing cover 2, and a heating plate is arranged on the inner wall of the outer casing. The raw materials in the main barrel are mixed and stirred, which avoids the complicated structure and inconvenient cleaning in the reaction kettle, thereby improving the processing efficiency.

Description

A kind of chemical reaction kettle for hydrothermal synthesis catalyst

technical field

The invention relates to the technical field of reaction kettles, in particular to a chemical reaction kettle for synthesizing a catalyst by a hydrothermal method.

Background technique

The hydrothermal method refers to a chemical synthesis method for preparing inorganic compound crystals or powders under high temperature and high pressure with water or other liquids as the medium in a sealed pressure vessel. The hydrothermal method provides a chemical synthesis method under normal pressure conditions. The unobtainable special physical and chemical environment enables the precursors to be fully dissolved in the reaction system → form atomic or molecular growth primitives → nucleate crystallization, so that generally insoluble or insoluble substances are dissolved and recrystallized. According to different research objects and purposes, hydrothermal methods can be divided into hydrothermal crystal growth, hydrothermal synthesis, hydrothermal reaction, hydrothermal treatment, hydrothermal sintering, etc., which are respectively used to grow various single crystals and prepare ultra-fine, non-agglomerated crystals. Or less agglomerated, well-crystallized ceramic powder.

In catalyst production, different raw materials need to be mixed, and these raw materials need to be heated and cooled through the reaction kettle. Usually, the stirring rod is directly set in the reaction kettle, which causes the problem of inconvenient cleaning, which makes the reaction kettle difficult to clean. The cleaning takes a lot of time, which reduces the processing efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a chemical reactor for synthesizing a catalyst by a hydrothermal method, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a chemical reaction kettle for synthesizing a catalyst by a hydrothermal method, comprising a main body cylinder and an outer casing;

The bottom wall of the outer casing is provided with a fixing member 1, the fixing member 1 is an inner hollow structure, the main body cylinder is detachably arranged in the fixing member 1, and the side wall of the outer casing is located in the inner hollow structure. A liquid inlet and a liquid outlet are provided at the first position of the fixing member;

A positive and negative motor is arranged on the bottom wall of the outer casing, a clamping block is fixed on the output shaft of the forward and reverse motor, and a hollow structure cylinder is fixed on the bottom wall of the main barrel. The utility model is sleeved on the output shaft of the forward and reverse motor, and the top of the cylinder is provided with a partition plate, an opening is arranged on the partition plate, and a baffle plate is vertically arranged on the partition plate;

A sealing cover 1 and a sealing cover 2 are detachably provided on the top ends of the main body cylinder and the outer casing, respectively, and a heating plate is arranged on the inner wall of the outer casing.

Preferably, a positioning groove is provided on the first fixing member, a protrusion is provided on the bottom wall of the main body cylinder, and the protrusion is detachably clamped in the positioning groove.

Preferably, the heating plate is arranged in a ring shape.

Preferably, the top of the outer casing is hinged with the second sealing cover, the bottom wall of the second sealing cover is provided with a sealing ring 1, the lower surface of the sealing ring 1 is provided with a groove, and the groove The inner side wall of the outer casing is detachably clamped, the side wall of the second sealing cover is provided with a fixing block, and the outer side wall of the outer casing is provided with a clasp ring, and the clasp ring is detachably clamped on the outer casing. on the fixed block.

Preferably, a fastener is movably provided on the snap ring.

Preferably, the upper surface of the sealing cover 1 is provided with a pair of threaded holes, the outer wall of the main body barrel is hinged with a pair of L-shaped buckles 1, and the ends of the L-shaped buckles 1 are sleeved with positioning posts, so The positioning column is movably clamped in the threaded hole.

Preferably, a pair of handles are provided on the outer side wall of the main body barrel.

Preferably, a temperature sensor is provided on the inner side wall of the outer casing.

Compared with the prior art, the beneficial effects of the present invention are:

1. The chemical reaction kettle of the hydrothermal synthesis catalyst provided by the present invention is connected to the cylinder through the output shaft of the positive and negative motor, so that the block and the baffle cooperate with each other, so that the raw materials in the main body can be mixed and stirred, avoiding the need for the reaction kettle. It has the disadvantages of complex structure and inconvenient cleaning, thereby improving processing efficiency.

2. The chemical reaction kettle for the hydrothermal synthesis catalyst provided by the present invention, through the fixing member 1 of the hollow structure, on the one hand, the main cylinder is fixed, and on the other hand, the cooling liquid can be set in the fixing member 1 at an appropriate time after the reaction is completed. , to speed up the cooling speed of the main barrel and improve the processing efficiency.

3. The chemical reaction kettle of the hydrothermal synthesis catalyst provided by the present invention, through the detachable arrangement of the main barrel and the outer shell, can take out the main barrel after the reaction is completed, and then place a new main barrel for the reaction, thereby improving processing. efficiency.

Description of drawings

Fig. 1 is the structural representation of the chemical reactor of the hydrothermal synthesis catalyst provided by the invention;

Fig. 2 is the structural representation of the card block;

Fig. 3 is the structural representation of the cylinder;

Fig. 4 is the structural representation of outer casing;

FIG. 5 is a schematic view of the structure of the main barrel.

Description of reference numerals: 1. Main body cylinder; 2. Outer shell; 3. Fixing part 1; 4. Opening; 5. Positive and negative motor; 6. Block; 7. Cylinder body; ; 10, heating plate; 11, bump; 12, positioning groove; 13, sealing cover 1; 14, sealing cover 2; 15, sealing ring 1; 16, fixing block; 17, snap ring; 18, fastener; 19. L-shaped buckle 1; 20. Positioning column.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figure 1, Figure 2 and Figure 3, this embodiment provides a chemical reaction kettle for hydrothermal synthesis of catalyst, comprising a main body cylinder 1 and an outer casing 2, the bottom wall of the outer casing 2 is provided with a fixed Part 1 3, the main body cylinder 1 is located in the fixing part 1 3, and a liquid inlet and a liquid outlet are provided on the side wall of the outer casing 2 and at the position of the fixing part 1 3; The main body cylinder 1 is located in the fixing member 1 3, and the main body cylinder 1 is fixed. After the reaction is completed, the cooling liquid is input into the fixing member 1 3 through the liquid inlet and the liquid outlet. , and the cooling liquid is circulated, so as to speed up the cooling of the main body tube 1 .

A positive and negative motor 5 is arranged on the bottom wall of the outer casing 2, a clamping block 6 is fixed on the output shaft of the forward and reverse motor 5, and a hollow structure cylinder is fixed on the bottom wall of the main body cylinder 1. 7. The cylinder 7 is sleeved on the output shaft of the forward and reverse motor 5, and the top of the cylinder 7 is provided with a partition 8, and the partition 8 is provided with an opening 4, and the partition 8 is vertically provided with a baffle plate 9; the cylinder 7 is arranged toward the interior of the main body cylinder 1, and is connected to the cylinder body 7 in the main body cylinder 1 through the output shaft of the forward and reverse motor 5, and the card The block 6 is located above the partition plate 8 through the opening 4, and the output shaft of the forward and reverse motor 5 drives the main body cylinder 1 to rotate. When the forward and reverse motor 5 rotates, the output shaft drives the block. 6 rotate, the baffle 9 is set towards the top of the cylinder 7, when the blocking block 6 rotates to the position of the baffle 9, the liquid in the main body cylinder 1 collides to shake and mix evenly, and Due to the impact of the blocking block 6 and the baffle 9, the main body cylinder 1 rotates in the same direction as the forward and reverse motor 5. At this time, the forward and reverse motor 5 rotates in the reverse direction, and the The other end collides with the baffle plate 9, so that the main body cylinder 1 rotates in the opposite direction, and the liquid in the main body cylinder 1 generates inertia and swaying and mixing, so as to realize stirring during the reaction process.

The tops of the main body cylinder 1 and the outer casing 2 are respectively provided with a sealing cover 1 13 and a sealing cover 2 14, respectively, and a heating plate 10 is arranged on the inner wall of the outer casing 2; The second sealing cover 14 ensures the sealing of the whole device, and the heating plate 10 is provided with a high temperature environment through an external power supply.

In this embodiment, as shown in FIG. 4 and FIG. 5 , a positioning groove 12 is provided on the fixing member 1 3 , and a protrusion 11 is provided on the bottom wall of the main body cylinder 1 , and the protrusion 11 is detachable It is clamped in the positioning groove 12 ; and the protrusion 11 is located in the positioning groove 12 to better fix the main body barrel 1 .

In this embodiment, as shown in FIG. 1 , the heating plate 10 is arranged in a ring shape, which makes the heating more uniform.

In this embodiment, as shown in FIG. 4 , the top of the outer casing 2 is hinged with the second sealing cover 14 , and the second sealing cover 14 is provided with a sealing ring 1 15 on the bottom wall. The lower surface of 15 is provided with a groove, and the side wall of the outer casing 2 is detachably clamped in the groove, and a fixing block 16 is arranged on the side wall of the sealing cover 2 14. A snap ring 17 is provided on the outer side wall of the outer casing 2, and the snap ring 17 is detachably clamped on the fixing block 16; the side wall of the outer casing 2 is sleeved in the groove, so that the outer casing 2 The sealing performance is better. By snapping the snap ring 17 on the snap block 16, the outer casing 2 and the second sealing cover 14 are fixed, and the outer casing 2 is hinged to the second sealing cover 14. After the reaction is completed, by separating the snap ring 17 and the snap block 16, the second sealing cover 14 is still connected to the outer casing 2 after being opened, so as to avoid the second sealing cover 14 being opened under high temperature conditions. move.

In this embodiment, as shown in FIG. 4 , a fastening piece 18 is movably provided on the snap ring 17 ; the fastening piece 18 is screwed into the snap ring 17 , and the fastening piece 18 is rotated by rotating , so that the fastening piece 18 is in closer contact with the blocking block 16 , so that the sealing performance between the second sealing cover 14 and the outer casing 2 is better.

In this embodiment, as shown in FIG. 5 , a pair of threaded holes is provided on the upper surface of the sealing cover 13, and a pair of L-shaped snaps 19 are hinged on the outer wall of the main body barrel 1. The L-shaped snaps The ends of the buckle one 19 are sleeved with positioning posts 20, and the positioning posts 20 are movably clamped in the threaded holes; by clamping the positioning posts 20 in the threaded holes, the L-shaped clamping Buckle one 19 is connected to the connection of the sealing cover one 13, so as to realize the connection between the sealing cover one 13 and the main body barrel 1, and through the rotation of the positioning post 20, the sealing cover one 13 and the main body can be strengthened. Describe the airtightness between the main barrels 1.

In this embodiment, as shown in FIG. 1 , a pair of handles are provided on the outer side wall of the main body barrel 1 , which facilitates disassembly and installation of the main body barrel 1 .

In this embodiment, as shown in FIG. 1 , a temperature sensor is provided on the inner side wall of the outer casing 2; the temperature of the main body cylinder 1 can be monitored in real time, and the The main body barrel 1 is disassembled, so that the main body barrel 1 is separated from the relatively high temperature in the outer casing 2, which is beneficial to shorten the cooling time.

Working principle: by positioning the main body cylinder 1 in the fixing member 1 3, the main body cylinder 1 is fixed, and after the reaction is completed, the cooling liquid is input into the fixing member 1 3 through the liquid inlet 4 , so as to cool down the main body barrel 1; connect the cylinder 7 in the main body barrel 1 through the output shaft of the forward and reverse motor 5, so that the forward and reverse motor 5 drives the main body barrel 1 to rotate, and in the When the positive and negative motor 5 rotates, the output shaft drives the block 6 to rotate. When the block 6 rotates to the position of the baffle 9, the liquid in the main body cylinder 1 shakes due to the impact, and the main body cylinder 1 Due to the impact of the blocking block 6 and the baffle 9, it rotates in the same direction as the forward and reverse motor 5. At this time, the forward and reverse motor 5 rotates in the opposite direction, and the other end of the blocking block 6 is connected to the The baffle 9 strikes, causing the main body cylinder 1 to rotate in the opposite direction, and the liquid in the main body cylinder 1 shakes due to inertia and impact, so that stirring is achieved during the reaction.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the invention, any modifications, equivalent replacements, improvements, etc. made should be included within the protection scope of the present invention.

Claims (8)

1. a chemical reaction still for hydrothermal synthesis catalyst, is characterized in that, comprises main body cylinder (1) and outer shell (2); A fixing piece (3) is arranged on the bottom wall of the outer casing (2), the fixing piece 1 (3) is an inner hollow structure, and the main body cylinder (1) is detachably arranged on the fixing piece 1. In (3), a liquid inlet and a liquid outlet are provided on the side wall of the outer casing (2) and at the position of the fixing member one (3); A positive and negative motor (5) is arranged on the bottom wall of the outer casing (2), a clamping block (6) is fixed on the output shaft of the positive and negative motor (5), and the bottom of the main body cylinder (1) is A cylinder (7) with a hollow structure is fixed on the wall, the cylinder (7) is sleeved on the output shaft of the forward and reverse motor (5), and the top of the cylinder (7) is provided with a partition a plate (8), an opening (4) is arranged on the partition plate (8), and a baffle plate (9) is vertically arranged on the partition plate (8); The top ends of the main body cylinder (1) and the outer casing (2) are respectively detachably provided with a sealing cover 1 (13) and a sealing cover 2 (14), and a heating plate is provided on the inner wall of the outer casing (2). (10). 2. The chemical reaction kettle for a hydrothermal synthesis catalyst according to claim 1, wherein a positioning groove (12) is provided on the fixing member one (3), and a A bump (11) is provided on the bottom wall, and the bump (11) is detachably clamped in the positioning groove (12). 3. The chemical reaction kettle of claim 1, wherein the heating plate (10) is arranged in a ring shape. 4. The chemical reaction kettle for a hydrothermal synthesis catalyst according to claim 1, wherein the top of the outer shell (2) is hinged with the sealing cover two (14), the sealing cover two The bottom wall of (14) is provided with a sealing ring (15), the lower surface of the sealing ring (15) is provided with a groove, and the outer casing (2) is detachably clamped in the groove. The side wall of the second sealing cover (14) is provided with a fixing block (16), the outer side wall of the outer casing (2) is provided with a snap ring (17), the snap ring (17) Removably clipped on the fixing block (16). 5 . The chemical reaction kettle of claim 4 , wherein a fastener ( 18 ) is movably provided on the snap ring ( 17 ). 6 . 6. The chemical reaction kettle for hydrothermal synthesis catalyst according to claim 1, characterized in that, a pair of threaded holes is provided on the upper surface of the sealing cover one (13), and the main body cylinder (1) has a A pair of L-shaped buckles (19) are hinged on the outer wall, and the ends of the L-shaped buckles (19) are sleeved with positioning columns (20), and the positioning columns (20) are movably clamped on the threads. inside the hole. 7 . The chemical reaction kettle for hydrothermal synthesis catalyst according to claim 1 , wherein a pair of handles are provided on the outer side wall of the main body cylinder ( 1 ). 8 . 8 . The chemical reaction kettle of claim 1 , wherein a temperature sensor is provided on the inner side wall of the outer casing ( 2 ). 9 .

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