CN219400166U

CN219400166U - Reaction kettle for producing polyphosphoric acid

Info

Publication number: CN219400166U
Application number: CN202320901161.2U
Authority: CN
Inventors: 陈建江; 黄跃川; 吕维平; 陈万里
Original assignee: Yunnan Tianyao Chemical Co ltd
Current assignee: Yunnan Tianyao Chemical Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-07-25
Anticipated expiration: 2033-04-20

Abstract

The utility model discloses a reaction kettle for producing polyphosphoric acid, which comprises a box body, wherein a reaction barrel is fixedly arranged in the box body, two bidirectional screw rods are respectively rotatably arranged at the upper end and the lower end of the inner wall of the box body, one ends of the two bidirectional screw rods respectively penetrate through the upper surface of the box body, the outer surfaces of the two bidirectional screw rods are respectively connected with two moving blocks in a threaded manner, the two bidirectional screw rods respectively penetrate through the outer surfaces of the two moving blocks, two supporting rods are respectively fixedly arranged at the upper end and the lower end of the inner wall of the box body, an annular heating plate is fixedly arranged between the two moving blocks, the annular heating plate is slidably sleeved on the outer surface of the reaction barrel, a driving mechanism is arranged between the two bidirectional screw rods and the box body, a winding mechanism is arranged on one supporting rod, and a stirring mechanism is arranged in the reaction barrel. According to the utility model, the two moving blocks move up and down on the two bidirectional screw rods, so that the annular heating plates uniformly heat the upper end and the lower end of the reaction barrel.

Description

Reaction kettle for producing polyphosphoric acid

Technical Field

The utility model relates to the technical field of polyphosphoric acid, in particular to a reaction kettle for producing polyphosphoric acid.

Background

Polyphosphoric acid is a chemical substance used as a water-loss agent, a cyclizing agent, an acylating agent, and a catalyst or a solvent for condensation, cyclization, rearrangement, substitution, and the like in organic synthesis.

In the reaction of the polyphosphoric acid, the polyphosphoric acid needs to be heated, the reaction of the polyphosphoric acid is accelerated, the extraction speed of the polyphosphoric acid reactant is increased, in the heating process, the bottom of the reaction barrel is heated upwards, the heat is heated from bottom to top, and the upper and lower parts of the reaction barrel are heated unevenly, so that the upper end of the reaction barrel is insufficient in reaction, and the speed of extracting the polyphosphoric acid reactant is influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a reaction kettle for producing polyphosphoric acid.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a reation kettle is used in polyphosphoric acid production, includes the box, fixed mounting has the reaction bucket in the box, both ends rotate respectively about the inner wall of box and install two-way lead screws, two the one end of two-way lead screws runs through the upper surface of box respectively, two the surface of two-way lead screws is threaded connection respectively has two movable blocks, two the two-way lead screws run through the surface of two movable blocks respectively, both ends are fixed mounting respectively about the inner wall of box has two bracing pieces, two movable block slidable mounting respectively is at the surface of one side of two bracing pieces, two fixed mounting has annular hot plate between the movable block, annular hot plate slip cap is established at the surface of reaction bucket, two be equipped with actuating mechanism between two-way lead screws and the box, one of them be equipped with winding mechanism on the bracing piece, be equipped with rabbling mechanism in the reaction bucket.

As a further scheme of the utility model, the driving mechanism comprises two belt pulleys respectively fixedly sleeved on the outer surfaces of the two bidirectional screw rods, belts are sleeved on the outer surfaces of the two belt pulleys, an elongated shell is fixedly arranged on the upper surface of the box body, the elongated shell is sleeved on the outer surface of the belt, a first motor is fixedly arranged on the upper surface of the elongated shell, and the output end of the first motor is fixedly connected with one bidirectional screw rod.

As a further scheme of the utility model, the winding mechanism comprises a round shaft which is rotatably arranged at one end of one movable block far away from the annular heating plate, wherein an elongated hole is formed in the outer surface of one supporting rod, the round shaft is slidably arranged in the elongated hole, one end of the round shaft far away from one movable block is fixedly connected with a gear, one side of the gear is fixedly provided with a winding wheel, the outer surface of the winding wheel is sleeved with a wire, one end of the wire is connected to one movable block, the other end of the wire penetrates through the outer surface of the box body, one side of one supporting rod close to the elongated hole is fixedly provided with a long toothed bar, and the gear is meshed with the long toothed bar.

As a further scheme of the utility model, the stirring mechanism comprises a rotating rod rotatably arranged between the upper side and the lower side of the reaction barrel, a plurality of stirring rods are fixedly arranged on the outer surface of the rotating rod, a second motor is fixedly arranged on the lower surface of the reaction barrel, and the output end of the second motor is fixedly connected with the rotating rod.

As a further scheme of the utility model, the upper end and the lower end of the inner wall of the box body are respectively and fixedly provided with two stop rods, and the two moving blocks are respectively and slidably arranged between the two stop rods.

As a further scheme of the utility model, a feed inlet and a gas outlet are respectively and fixedly arranged at the two sides of the long shell at the upper end of the box body, a discharge outlet is fixedly arranged at the lower end of the box body, four supporting legs are fixedly arranged on the lower surface of the box body, a supporting plate is fixedly arranged on the lower surface of the four supporting legs, a leak hole is formed in the lower end of the supporting plate, four wheels are fixedly arranged on the lower surface of the supporting plate, and two push rods are respectively and fixedly arranged on the upper surface of one end of the supporting plate.

The beneficial effects of the utility model are as follows:

1. the two moving blocks move up and down on the two bidirectional screw rods, so that the annular heating plates uniformly heat the upper end and the lower end of the reaction barrel, and the reaction of the cohesive phosphoric acid in the reaction barrel is ensured to be full.

2. The gear moves on the long toothed bar, so that the electric wires on the surface of the winding wheel are wound and stretched, and the electric wires are prevented from winding.

3. By manually pushing the two push rods, four wheels at the lower end of the supporting plate move on the ground, so that the reaction barrel on the supporting plate is convenient to transport on the ground.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a reaction kettle for producing polyphosphoric acid;

FIG. 2 is a cross-sectional view of a reaction kettle for producing polyphosphoric acid according to the utility model;

FIG. 3 is a schematic diagram of the structure of the bottom end of a supporting plate of the reaction kettle for producing polyphosphoric acid;

FIG. 4 is a schematic diagram of the structure of the inside of a reaction kettle for producing polyphosphoric acid according to the utility model;

fig. 5 is an enlarged view of the structure at a in fig. 4.

In the figure: 1. a case; 2. a feed inlet; 3. an air outlet; 4. an elongated housing; 5. a first motor; 6. support legs; 7. a wheel; 8. a push rod; 9. a reaction barrel; 10. a discharge port; 11. a second motor; 12. a support plate; 13. a leak hole; 14. a stop lever; 15. a support rod; 16. a two-way screw rod; 17. a moving block; 18. an annular heating plate; 19. a rotating rod; 20. a stirring rod; 21. an elongated aperture; 22. a circular shaft; 23. a gear; 24. a winding wheel; 25. connecting wires; 26. a long toothed bar; 27. a belt wheel; 28. a belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Examples

Referring to fig. 1-5, a reaction kettle for producing polyphosphoric acid comprises a box body 1, a reaction barrel 9 is fixedly installed in the box body 1, two bidirectional screw rods 16 are respectively rotatably installed at the upper end and the lower end of the inner wall of the box body 1, one end of each bidirectional screw rod 16 penetrates through the upper surface of the box body 1, the outer surfaces of the two bidirectional screw rods 16 are respectively connected with two moving blocks 17 in a threaded manner, each bidirectional screw rod 16 penetrates through the outer surfaces of the two moving blocks 17, two supporting rods 15 are respectively fixedly installed at the upper end and the lower end of the inner wall of the box body 1, each moving block 17 is respectively and slidably installed on one side outer surface of each supporting rod 15, an annular heating plate 18 is fixedly installed between the two moving blocks 17, the annular heating plate 18 is slidably sleeved on the outer surface of the reaction barrel 9, a driving mechanism is arranged between each bidirectional screw rod 16 and the box body 1, a winding mechanism is arranged on one supporting rod 15, a stirring mechanism is arranged in the reaction barrel 9, the two bidirectional screw rods 16 are respectively and the two bidirectional screw rods 16 are vertically moved, and the annular heating plates 18 are used for uniformly heating the upper end and lower ends of the reaction barrel 9.

In this embodiment, two stop bars 14 are fixedly installed at the upper and lower ends of the inner wall of the box body 1, and two moving blocks 17 are slidably installed between the two stop bars 14, so that the two moving blocks 17 can move on two bidirectional screw rods 16.

In this embodiment, the driving mechanism includes two pulleys 27 respectively fixedly sleeved on the outer surfaces of two bidirectional screw rods 16, a belt 28 is sleeved on the outer surfaces of the two pulleys 27, a long housing 4 is fixedly installed on the upper surface of the box 1, the long housing 4 is sleeved on the outer surface of the belt 28, a first motor 5 is fixedly installed on the upper surface of the long housing 4, the output end of the first motor 5 is fixedly connected with one bidirectional screw rod 16, and the two bidirectional screw rods 16 are simultaneously rotated through the transmission of the two pulleys 27 and the belt 28.

In this embodiment, the winding mechanism includes a round shaft 22 rotatably mounted on one of the moving blocks 17 and far away from one end of the annular heating plate 18, an elongated hole 21 is provided on the outer surface of one of the support rods 15, the round shaft 22 is slidably mounted in the elongated hole 21, one end of the round shaft 22 far away from one of the moving blocks 17 is fixedly connected with a gear 23, one side of the gear 23 is fixedly mounted with a winding wheel 24, the outer surface of the winding wheel 24 is sleeved with a wire 25, one end of the wire 25 is connected to one of the moving blocks 17, the other end of the wire 25 penetrates through the outer surface of the box 1, one side of one of the support rods 15 close to the elongated hole 21 is fixedly mounted with a long toothed bar 26, the gear 23 is meshed with the long toothed bar 26, and the wire 25 on the surface of the winding wheel 24 is wound and stretched by the gear 23, so that the wire 25 is prevented from winding.

In this embodiment, rabbling mechanism is including rotating the bull stick 19 of installing between the upper and lower both sides of reaction bucket 9, and the surface fixed mounting of bull stick 19 has a plurality of puddlers 20, and the lower surface fixed mounting of reaction bucket 9 has second motor 11, and the output and the bull stick 19 fixed connection of second motor 11 are convenient for stir the polyphosphoric acid in the reaction bucket 9, make the reaction of polyphosphoric acid more abundant.

In this embodiment, the upper end of the box 1 is located at two sides of the elongated housing 4 and is fixedly provided with a feed inlet 2 and an air outlet 3 respectively, the lower end of the box 1 is fixedly provided with a discharge outlet 10, the lower surface of the box 1 is fixedly provided with four support legs 6, the lower surface of the four support legs 6 is fixedly provided with a support plate 12, the lower end of the support plate 12 located at the discharge outlet 10 is provided with a leak hole 13, the lower surface of the support plate 12 is fixedly provided with four wheels 7, one end upper surface of the support plate 12 is fixedly provided with two push rods 8 respectively, and the four wheels 7 at the lower end of the support plate 12 are moved on the ground by manually pushing the two push rods 8, so that the reaction barrel 9 on the support plate 12 is convenient to transport on the ground.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: the polyphosphoric acid reactant is put into the reaction barrel 9 from the feed inlet 2, the butt-joint electric wire 25 is electrified, the annular heating plate 18 is heated through the two moving blocks 17, the first motor 5 on the outer surface of the long shell 4 drives one of the two-way screw rods 16 to rotate, one belt wheel 27 drives the other two-way screw rod 16 to rotate through the transmission of the belt 28, the two moving blocks 17 are driven to slide up and down along the side edges of the two support rods 15 between the two stop rods 14, the annular heating plate 18 is driven to slide up and down on the outer surface of the reaction barrel 9, the upper end and the lower end of the reaction barrel 9 are uniformly heated, the polyphosphoric acid reaction is fully ensured, the gear 23 is driven to move on the long tooth rods 26 when the two moving blocks 17 move on the two support rods 15, the grounding electric wire 25 on the surface of the winding wheel 24 is wound and stretched, the grounding wire 25 is prevented from winding, the second motor 11 drives the rotating rod 19 to rotate, the stirring rods 20 on the outer surface of the rotating rod 19 are accelerated, the reaction speed of polyphosphoric acid is accelerated, the four wheels 7 at the lower end of the support plate 12 are driven to move on the ground by manually pushing the two push rods 8, and the reaction barrel 12 is convenient to move on the ground surface 9.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The reaction kettle for producing the polyphosphoric acid comprises a box body (1), and is characterized in that a reaction barrel (9) is fixedly arranged in the box body (1), two bidirectional screw rods (16) are respectively rotatably arranged at the upper end and the lower end of the inner wall of the box body (1), one ends of the two bidirectional screw rods (16) respectively penetrate through the upper surface of the box body (1), the outer surfaces of the two bidirectional screw rods (16) are respectively in threaded connection with two moving blocks (17), the two bidirectional screw rods (16) respectively penetrate through the outer surfaces of the two moving blocks (17), two supporting rods (15) are fixedly installed at the upper end and the lower end of the inner wall of the box body (1) respectively, two moving blocks (17) are slidably installed on one outer surface of the two supporting rods (15) respectively, an annular heating plate (18) is fixedly installed between the two moving blocks (17), the annular heating plate (18) is slidably sleeved on the outer surface of the reaction barrel (9), a driving mechanism is arranged between the two-way screw rod (16) and the box body (1), a winding mechanism is arranged on one supporting rod (15), and a stirring mechanism is arranged in the reaction barrel (9).

2. The reaction kettle for producing polyphosphoric acid according to claim 1, wherein two stop rods (14) are fixedly installed at the upper end and the lower end of the inner wall of the box body (1), and the two moving blocks (17) are slidably installed between the two stop rods (14).

3. The reaction kettle for producing polyphosphoric acid according to claim 1, wherein the driving mechanism comprises two belt pulleys (27) fixedly sleeved on the outer surfaces of the two bidirectional screw rods (16), a belt (28) is sleeved on the outer surfaces of the two belt pulleys (27), an elongated housing (4) is fixedly mounted on the upper surface of the box body (1), the elongated housing (4) is sleeved on the outer surface of the belt (28), a first motor (5) is fixedly mounted on the upper surface of the elongated housing (4), and the output end of the first motor (5) is fixedly connected with one of the bidirectional screw rods (16).

4. The reaction kettle for producing polyphosphoric acid according to claim 1, wherein the winding mechanism comprises a round shaft (22) rotatably mounted at one end of one of the moving blocks (17) far away from the annular heating plate (18), wherein an elongated hole (21) is formed in the outer surface of one supporting rod (15), the round shaft (22) is slidably mounted in the elongated hole (21), one end of the round shaft (22) far away from the one of the moving blocks (17) is fixedly connected with a gear (23), one side of the gear (23) is fixedly provided with a winding wheel (24), the outer surface of the winding wheel (24) is sleeved with a connecting wire (25), one end of the connecting wire (25) is connected to one of the moving blocks (17), the other end of the connecting wire (25) penetrates through the outer surface of the box body (1), one side of the supporting rod (15) close to the elongated hole (21) is fixedly provided with a long toothed rod (26), and the gear (23) is meshed with the long toothed rod (26).

5. The reaction kettle for producing polyphosphoric acid according to claim 1, wherein the stirring mechanism comprises a rotating rod (19) rotatably mounted between the upper side and the lower side of the reaction barrel (9), a plurality of stirring rods (20) are fixedly mounted on the outer surface of the rotating rod (19), a second motor (11) is fixedly mounted on the lower surface of the reaction barrel (9), and the output end of the second motor (11) is fixedly connected with the rotating rod (19).

6. The reaction kettle for producing polyphosphoric acid according to claim 3, wherein the upper end of the box body (1) is located at two sides of the long shell (4) and is fixedly provided with a feed inlet (2) and an air outlet (3) respectively, the lower end of the box body (1) is fixedly provided with a discharge outlet (10), the lower surface of the box body (1) is fixedly provided with four supporting legs (6), the lower surface of the four supporting legs (6) is fixedly provided with a supporting plate (12), the supporting plate (12) is located at the lower end of the discharge outlet (10) and is provided with a leak hole (13), the lower surface of the supporting plate (12) is fixedly provided with four wheels (7), and one end upper surface of the supporting plate (12) is fixedly provided with two push rods (8) respectively.