Closed reaction kettle feeding device

Abstract

The utility model discloses a closed reaction kettle feeding device, and relates to the technical field of reaction kettles. The reaction kettle comprises a main body mechanism, the main body mechanism comprises a reaction kettle body, the top of the reaction kettle body is provided with a movable cover, the front surface of the reaction kettle body is fixedly communicated with a feeding hopper, and the right side of the reaction kettle body is fixedly communicated with a discharging pipe. Through cooperation of the liquid adding mechanism, the separation disc, the through hole, the circulation pipe and the liquid adding pipe, chemicals can be uniformly added into the reaction kettle body, the chemicals are added into the reaction kettle body through the liquid adding pipe, and the chemicals are firstly accumulated at the top of the separation disc until the accumulated chemicals overflow the circulation pipe; at the moment, the medicament is conveyed into the reaction kettle body from the interiors of the plurality of runner pipes, so that the purpose of uniform feeding is achieved, the reaction in the reaction kettle body can be uniformly and fully carried out, and the reaction efficiency and yield are further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of reaction kettles, in particular to a feeding device for a closed reaction kettle. Background Art

[0002] A closed reactor is a device used for chemical reactions. It has a sealing property to prevent the leakage of reactants or the entry of foreign substances. It is usually made of stainless steel or other corrosion-resistant materials and can be used in various chemical experiments, pharmaceutical and chemical processes. Oxytetracycline hydrochloride is a broad-spectrum antibiotic, belonging to the tetracycline antibiotics. The production of oxytetracycline hydrochloride usually requires the use of a closed reactor to ensure the safety and effectiveness of the reaction process.

[0003] When using a closed reactor to produce oxytetracycline hydrochloride, multiple processes such as reactor cleaning, raw material preparation, feeding, mixing, etc. are usually required. The addition of raw materials is the key to production and is usually done manually by operators. The operator will manually add solid and liquid raw materials to the closed reactor step by step according to the production process and formula requirements. At this time, whether the feeding is uniform is entirely controlled by the operator based on experience. It is easy to have uneven feeding, which will lead to incomplete reaction or excessive reaction in some areas, affecting the quality and yield of the product.

[0004] To this end, we provide a closed reactor feeding device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a feeding device for a closed reactor, which has the advantage of uniform feeding and solves the problem in the prior art that operators control the feeding by themselves based on experience, which easily leads to uneven feeding, thus causing incomplete reaction or excessive reaction in some areas, affecting product quality and yield.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a closed reactor feeding device, comprising a main body mechanism, the main body mechanism comprises a reactor body, a movable cover is arranged on the top of the reactor body, a feeding hopper is fixedly connected to the front of the reactor body, a discharge pipe is fixedly connected to the right side of the reactor body, a stirring unit is arranged in the inner cavity of the reactor body, a heating net is arranged in the inner cavity of the reactor body, and a liquid adding mechanism is arranged in the inner cavity of the reactor body;

[0008] The liquid adding mechanism comprises a partition plate, which is arranged in the inner cavity of the reactor body. A through hole is opened on the top of the partition plate. The inner cavity of the through hole is slidably connected with a flow pipe. The front end of the top of the main mechanism is fixedly connected with a liquid adding pipe.

[0009] The utility model is further configured that the stirring unit also includes a first motor, the first motor is located on the top of the movable cover and is fixedly connected to the movable cover, the output shaft of the first motor passes through the inner cavity of the reactor body and is transmission-connected to a rotating column, the rotating column is movably connected to the inner wall of the reactor body through a bearing, and a stirring blade is fixedly connected to the surface of the rotating column.

[0010] The utility model is further configured that the liquid adding mechanism also includes a connecting ring, which is located between the two outer flow tubes and fixedly connected to the flow tubes, and a connecting plate is fixedly connected between the inner cavity and the two outer flow tubes.

[0011] The utility model is further configured such that both sides of the top of the movable cover are fixedly connected with electric push rods, the output ends of the electric push rods are fixedly connected with connecting columns, the bottoms of the connecting columns penetrate into the inner cavity of the reactor body and are fixedly connected to the two flow pipes on both sides.

[0012] The utility model is further configured such that a fixing frame is fixedly connected to the back of the main body mechanism, a second motor is fixedly connected to the bottom of the inner cavity of the fixing frame, an output shaft of the second motor is transmission-connected to a threaded rod, and the top of the threaded rod is movably connected to the top of the inner cavity of the fixing frame via a bearing.

[0013] The utility model is further configured that a threaded plate is threadedly connected to the surface of the threaded rod, and a front end of the threaded plate extends to the outside of the fixing frame and is fixedly connected to the back side of the movable cover.

[0014] The utility model is further configured such that limiting grooves are provided on both sides of the inner cavity of the fixing frame, limiting blocks are fixedly connected to both sides of the threaded plate, one side of the limiting block extends to the inner cavity of the limiting groove and is slidably connected to the inner cavity of the limiting groove.

[0015] The utility model is further configured such that positioning grooves are provided on the front and back sides of the inner cavity of the reactor body, positioning blocks are fixedly connected to the front and back sides of the separating plate, one side of the positioning block extends to the inner cavity of the positioning groove and is slidably connected to the inner cavity of the positioning groove.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model is provided with a main body mechanism, a reactor body, a movable cover, a feeding hopper, a discharge pipe, a stirring unit and a heating net to constitute the main body of the equipment, wherein the reactor body and the movable cover are used to provide a closed reaction space for the raw materials, the feeding hopper is used to add solid raw materials, the discharge pipe is used to discharge the reacted product, the stirring unit is used to stir the inside of the reactor body to accelerate the reaction, and the heating net is used to heat the inside of the reactor body.

[0018] 2. The utility model sets a liquid adding mechanism, and the separation plate, through hole, circulation tube and liquid adding tube cooperate to evenly add the reagent to the interior of the reactor body. The reagent is added to the interior of the reactor body through the liquid adding tube. The reagent is first accumulated on the top of the separation plate until the accumulated reagent overflows the circulation tube. At this time, the reagent is transported from the inside of multiple circulation tubes to the inside of the reactor body, thereby achieving the purpose of uniform feeding, so that the reaction inside the reactor body can be carried out evenly and fully, thereby improving the reaction efficiency and output.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the main structure of a feeding device in a closed reactor.

[0022] Figure 2 It is a schematic structural diagram of a front view of a separation plate in a closed reactor feeding device.

[0023] Figure 3 The present invention is a structural schematic diagram of the connection between a first motor, a rotating column and a stirring blade in a closed reactor feeding device.

[0024] Figure 4 The present invention is a structural schematic diagram of the connection between a fixed frame, a second motor and a threaded rod in a closed reactor feeding device.

[0025] Figure 5 It is a schematic diagram of the cross-sectional structure of a reactor body in a closed reactor feeding device when viewed from above.

[0026] In the attached drawings: 1. Main body; 101. Reactor body; 102. Movable cover; 103. Feeding hopper; 104. Discharge pipe; 105. Stirring unit; 1051. First motor; 1052. Rotating column; 1053. Stirring blade; 106. Heating net; 2. Liquid adding mechanism; 201. Separation plate; 202. Through hole; 203. Circulation pipe; 204. Liquid adding pipe; 205. Connecting ring; 206. Connecting plate; 207. Electric push rod; 208. Connecting column; 3. Fixed frame; 4. Second motor; 5. Threaded rod; 6. Threaded plate; 7. Limiting groove; 8. Limiting block; 9. Positioning groove; 10. Positioning block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] For specific embodiment 1, please refer to Figure 1-5 The utility model is a closed reactor feeding device, comprising a main body mechanism 1, the main body mechanism 1 comprises a reactor body 101, a movable cover 102 is arranged on the top of the reactor body 101, a feeding hopper 103 is fixedly connected to the front of the reactor body 101, a discharge pipe 104 is fixedly connected to the right side of the reactor body 101, a stirring unit 105 is arranged in the inner cavity of the reactor body 101, a heating net 106 is arranged in the inner cavity of the reactor body 101, and a liquid adding mechanism 2 is arranged in the inner cavity of the reactor body 101;

[0029] The liquid adding mechanism 2 comprises a partition plate 201, which is arranged in the inner cavity of the reactor body 101. A through hole 202 is opened on the top of the partition plate 201. The inner cavity of the through hole 202 is slidably connected with a flow pipe 203. The front end of the top of the main mechanism 1 is fixedly connected with a liquid adding pipe 204.

[0030] Specifically: the reactor body 101 and the movable cover 102 are used to provide a closed reaction space for the raw materials, the feeding hopper 103 is used to add solid raw materials, the discharge pipe 104 is used to discharge the reacted products, the stirring unit 105 is used to stir the inside of the reactor body 101, so as to accelerate the reaction, the heating net 106 is used to heat the inside of the reactor body 101, the partition plate 201, the through hole 202, the circulation pipe 203 and the liquid adding pipe 204 cooperate to evenly add the reagent to the inside of the reactor body 101, and the reagent is added to the inside of the reactor body 101 through the liquid adding pipe 204. The reagent is first accumulated on the top of the partition plate 201 until the accumulated reagent overflows the circulation pipe 203. At this time, the reagent is transported from the inside of the multiple circulation pipes 203 to the inside of the reactor body 101, thereby achieving the purpose of uniform feeding, so that the reaction inside the reactor body 101 can be carried out evenly and fully, thereby improving the reaction efficiency and yield.

[0031] For specific embodiment 2, please refer to Figure 1-5 On the basis of the specific embodiment 1, the stirring unit 105 further includes a first motor 1051, the first motor 1051 is located on the top of the movable cover 102 and is fixedly connected to the movable cover 102, the output shaft of the first motor 1051 penetrates the inner cavity of the reactor body 101, and is transmission-connected with a rotating column 1052, the rotating column 1052 is movably connected to the inner wall of the reactor body 101 through a bearing, and a stirring blade 1053 is fixedly connected to the surface of the rotating column 1052, and the liquid adding mechanism 2 further includes a connecting ring 205, the connecting ring 205 is located between the two outer flow pipes 203, and is fixedly connected to the flow pipes 203. Fixed connection, a connecting plate 206 is fixedly connected between the inner cavity and the two outer circulation tubes 203, electric push rods 207 are fixedly connected to both sides of the top of the movable cover 102, and the output end of the electric push rod 207 is fixedly connected to a connecting column 208, the bottom of the connecting column 208 penetrates into the inner cavity of the reactor body 101, and is fixedly connected to the two circulation tubes 203 on both sides, positioning grooves 9 are provided on the front and back of the inner cavity of the reactor body 101, and positioning blocks 10 are fixedly connected to the front and back of the partition plate 201, one side of the positioning block 10 extends to the inner cavity of the positioning groove 9 and is slidably connected to the inner cavity of the positioning groove 9.

[0032] Specifically: the first motor 1051 is used to drive the rotating column 1052 and the stirring blade 1053 to rotate. When the stirring blade 1053 rotates, it can stir the raw materials inside the reactor body 101, thereby accelerating the reaction efficiency. The connecting ring 205 and the connecting plate 206 are used to connect multiple flow tubes 203 so as to cooperate with the electric push rod 207 and the connecting column 208 to drive them to move synchronously. After the flow tube 203 is lowered, all the solvent accumulated on the top of the separation plate 201 can be discharged, thereby preventing solvent residue.

[0033] For specific embodiment 3, please refer to Figure 1-5 On the basis of the first and second specific embodiments, a fixing frame 3 is fixedly connected to the back of the main body mechanism 1, a second motor 4 is fixedly connected to the bottom of the inner cavity of the fixing frame 3, a threaded rod 5 is drivingly connected to the output shaft of the second motor 4, the top of the threaded rod 5 is movably connected to the top of the inner cavity of the fixing frame 3 through a bearing, a threaded plate 6 is threadedly connected to the surface of the threaded rod 5, the front end of the threaded plate 6 extends to the outside of the fixing frame 3 and is fixedly connected to the back of the movable cover 102, limiting grooves 7 are provided on both sides of the inner cavity of the fixing frame 3, limiting blocks 8 are fixedly connected to both sides of the threaded plate 6, one side of the limiting block 8 extends to the inner cavity of the limiting groove 7 and is slidably connected to the inner cavity of the limiting groove 7.

[0034] Specifically: the fixing frame 3 is used to support and protect the internal components, the second motor 4 is used to drive the threaded rod 5 to rotate, and when the threaded rod 5 rotates, it can cooperate with the threaded plate 6 to adjust the height of the movable cover 102, so as to remove the movable cover 102 from the top of the reactor body 101 and clean the inside of the reactor body 101. The limiting groove 7 and the limiting block 8 cooperate to limit the threaded plate 6, and the positioning groove 9 and the positioning block 10 cooperate to limit the separation plate 201.

[0035] The working principle of the utility model is as follows: the reactor body 101 and the movable cover 102 are used to provide a closed reaction space for the raw materials, and solid raw materials are added to the interior of the reactor body 101 through the feeding hopper 103. The first motor 1051 is used to drive the rotating column 1052 and the stirring blade 1053 to rotate. When the stirring blade 1053 rotates, it can stir the raw materials inside the reactor body 101, thereby accelerating the reaction efficiency. The heating net 106 is used to heat the interior of the reactor body 101. When it is necessary to add a reagent, the reagent is first added to the interior of the reactor body 101 through the liquid adding pipe 204. The reagent is first accumulated on the top of the partition plate 201 until the accumulated reagent overflows the circulation pipe 203. At this time, the reagent is transported from the inside of the multiple circulation pipes 203 to the inside of the reactor body 101, thereby achieving the purpose of uniform feeding. The discharge pipe 104 is used to discharge the product after the reaction.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A closed reactor feeding device, comprising a main body mechanism (1), characterized in that: The main body mechanism (1) comprises a reactor body (101), a movable cover (102) is arranged on the top of the reactor body (101), a feeding hopper (103) is fixedly connected to the front of the reactor body (101), a discharge pipe (104) is fixedly connected to the right side of the reactor body (101), a stirring unit (105) is arranged in the inner cavity of the reactor body (101), a heating net (106) is arranged in the inner cavity of the reactor body (101), and a liquid adding mechanism (2) is arranged in the inner cavity of the reactor body (101); The liquid adding mechanism (2) comprises a partition plate (201), the partition plate (201) being arranged in the inner cavity of the reactor body (101), a through hole (202) being provided at the top of the partition plate (201), a flow tube (203) being slidably connected to the inner cavity of the through hole (202), and a liquid adding tube (204) being fixedly connected to the front end of the top of the main mechanism (1).

2. A closed reactor feeding device according to claim 1, characterized in that: The stirring unit (105) further comprises a first motor (1051), the first motor (1051) being located on the top of the movable cover (102) and fixedly connected to the movable cover (102), the output shaft of the first motor (1051) passing through the inner cavity of the reactor body (101) and being transmission-connected to a rotating column (1052), the rotating column (1052) being movably connected to the inner wall of the reactor body (101) via a bearing, and a stirring blade (1053) being fixedly connected to the surface of the rotating column (1052).

3. A closed reactor feeding device according to claim 1, characterized in that: The liquid adding mechanism (2) further comprises a connecting ring (205), the connecting ring (205) being located between the two outer flow tubes (203) and fixedly connected to the flow tubes (203), and a connecting plate (206) being fixedly connected between the inner cavity and the two outer flow tubes (203).

4. A closed reactor feeding device according to claim 1, characterized in that: Both sides of the top of the movable cover (102) are fixedly connected to electric push rods (207), the output end of the electric push rod (207) is fixedly connected to a connecting column (208), the bottom of the connecting column (208) penetrates into the inner cavity of the reactor body (101) and is fixedly connected to the two flow pipes (203) on both sides.

5. The closed reactor feeding device according to claim 1, characterized in that: The back of the main body mechanism (1) is fixedly connected to a fixing frame (3), the bottom of the inner cavity of the fixing frame (3) is fixedly connected to a second motor (4), the output shaft of the second motor (4) is drivingly connected to a threaded rod (5), and the top of the threaded rod (5) is movably connected to the top of the inner cavity of the fixing frame (3) via a bearing.

6. A closed reactor feeding device according to claim 5, characterized in that: A threaded plate (6) is threadedly connected to the surface of the threaded rod (5); the front end of the threaded plate (6) extends to the outside of the fixing frame (3) and is fixedly connected to the back side of the movable cover (102).

7. A closed reactor feeding device according to claim 6, characterized in that: Limiting grooves (7) are provided on both sides of the inner cavity of the fixing frame (3), and limiting blocks (8) are fixedly connected to both sides of the threaded plate (6), and one side of the limiting block (8) extends to the inner cavity of the limiting groove (7) and is slidably connected to the inner cavity of the limiting groove (7).

8. A closed reactor feeding device according to claim 1, characterized in that: Positioning grooves (9) are provided on the front and back sides of the inner cavity of the reactor body (101); positioning blocks (10) are fixedly connected to the front and back sides of the separation plate (201); one side of the positioning block (10) extends to the inner cavity of the positioning groove (9) and is slidably connected to the inner cavity of the positioning groove (9).

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