Circulating reaction device

Abstract

The utility model provides a circulating reaction device and relates to the technical field of reaction devices. The device comprises a reaction kettle and a feeding circulation assembly, the reaction kettle comprises a reaction kettle inner cylinder and a heating jacket, the upper end of the reaction kettle inner cylinder is provided with a feeding port and a plurality of auxiliary material ports, the lower end of the reaction kettle inner cylinder is provided with a discharging port, the feeding circulation assembly is installed between the discharging port of the reaction kettle inner cylinder and one of the auxiliary material ports, and the feeding circulation assembly comprises a circulation pump. A discharging pipe is arranged at the lower end of the circulating pump and connected with the circulating pump and the discharging port, a feeding pipe and a blow-off pipe are arranged at the upper end of the circulating pump, the feeding pipe is connected with the circulating pump and the auxiliary material port, and the blow-off pipe is connected with a recycling box or a sewage box. The reaction kettle provides reaction conditions for the reaction raw materials, the charging circulating assembly further realizes circulating mixing of the reaction raw materials, and the problem of reactant layering is avoided through circulating mixing, so that the upper and lower concentrations of reactants are uniform, the reactants are uniformly heated, and the reaction efficiency of the raw materials is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction devices, in particular to a circulating reaction device. Background Art

[0002] Enzyme production is the process of producing products containing specific biologically active ingredients (including polysaccharides, oligosaccharides, proteins and peptides, amino acids, and vitamins) from animal, plant, and fungal sources, with or without the addition of auxiliary materials, through microbial fermentation. This process utilizes a reactor to provide the reaction conditions. The use of a reactor not only allows for thorough mixing of the raw materials, accelerating the reaction, but also provides the required temperature and other reaction conditions.

[0003] Depending on the reactants, the mixed reaction materials are mostly suspensions, which will be stratified after standing (i.e., the dispersed particles gradually settle under the action of gravity), resulting in uneven concentration of the reactants and uneven heating of the reactants in some areas, which in turn leads to low reaction efficiency of the raw materials. Utility Model Content

[0004] In response to the above problems of the prior art, the utility model provides a circulating reaction device, which includes a reactor and a feeding circulation component, the reactor including a reactor inner cylinder and a heating jacket, and the feeding circulation component including a circulation pump, a discharge pipe, a feed pipe and a sewage pipe. The problem of reactant stratification is avoided by circulating mixing, so that the concentration of the reactants is uniform from top to bottom, the reactants are heated uniformly, and the reaction efficiency of the raw materials is improved.

[0005] To this end, the technical solution of the present invention is a circulating reaction device, which includes a reactor and a feeding circulation component, the reactor includes a reactor inner tube and a heating jacket, the upper end of the reactor inner tube is provided with a feed port and multiple auxiliary material ports, the lower end of the reactor inner tube is provided with a discharge port, the feeding circulation component is installed between the discharge port of the reactor inner tube and one of the auxiliary material ports, the feeding circulation component includes a circulating pump, the lower end of the circulating pump is provided with a discharge pipe, the discharge pipe connects the circulating pump and the discharge port, the upper end of the circulating pump is provided with a feed pipe and a drain pipe, the feed pipe connects the circulating pump and the auxiliary material port, the drain pipe is connected to a recovery box or a sewage tank, and the discharge pipe, feed pipe and drain pipe are all provided with valves to control their opening and closing.

[0006] Furthermore, an upper cover is provided above the inner cylinder of the reactor, and a stirring drive assembly is installed above the upper cover. The stirring drive assembly includes a support frame, the lower end of the support frame is fixedly connected to the upper cover, and the upper end of the support frame is sequentially installed with a stirring motor and a reducer. A connecting shaft is provided below the reducer, and the connecting shaft and the reducer are connected through a coupling. A bearing assembly is provided between the connecting shaft and the support frame.

[0007] Furthermore, a stirring rod is provided inside the inner cylinder of the reactor, and a mechanical seal is provided between the upper end of the stirring rod and the upper cover.

[0008] Furthermore, a plurality of stirring paddles are provided at the lower end of the stirring rod, and the stirring paddles are straight rods or arc-shaped bent rods.

[0009] Furthermore, the installation directions of the plurality of stirring paddles are sequentially spaced at certain angles along the rotation direction of the stirring rod.

[0010] Furthermore, the lengths of the plurality of stirring paddles increase or decrease sequentially from top to bottom.

[0011] Furthermore, the bearing assembly includes a bearing seat and a bearing cover, an upper bearing and a lower bearing are provided between the bearing seat and the bearing cover, and the upper bearing and the lower bearing are respectively one of a deep groove ball bearing or a thrust ball bearing.

[0012] Furthermore, the mechanical seal includes a sealing oil pan, a static ring is provided inside the sealing oil pan, a static ring gasket is provided between the static ring and the sealing oil pan, a static ring pressure plate is provided on the outside of the static ring, the static ring pressure plate fixedly connects the static ring and the sealing oil pan, a dynamic ring is provided above the static ring, a push ring and a spring seat are provided above the dynamic ring, the upper end of the dynamic ring and the push ring are installed inside the spring seat, a sealing ring is provided between the dynamic ring and the push ring and the spring seat, a pressure spring is provided between the push ring and the spring seat, an adjusting ring is provided above the spring seat, the adjusting ring is fixedly connected to the connecting shaft, and an adjusting bolt is provided on the adjusting ring.

[0013] Furthermore, the heating jacket is installed on the outside of the inner cylinder of the reactor, the lower end of the heating jacket is provided with a water inlet, the upper end of the heating jacket is provided with a water outlet, and there are one or more water outlets.

[0014] Furthermore, a crushing device or a filtering device is installed on the feeding pipe.

[0015] The beneficial effect of the present invention is that it includes a reactor and a feeding circulation component, the reactor provides reaction conditions for the reaction raw materials, the feeding circulation component further realizes the circulating mixing of the reaction raw materials, the reactor includes a reactor inner tube and a heating jacket, the feeding circulation component includes a circulating pump, a discharge pipe, a feed pipe and a drain pipe, when the discharge pipe and the feed pipe are opened at the same time, the reactants in the reactor inner tube flow out of the reactor inner tube from the discharge port under the action of the circulating pump, and then flow into the reactor inner tube from the auxiliary material port, that is, the reactants in the lower layer of the reactor inner tube are added to the reactants in the upper layer of the reactor inner tube through the circulating pump, so as to realize the circulating mixing of the upper and lower layers of the raw materials in the reactor inner tube. When the discharge pipe and the drain pipe are opened at the same time, the reaction raw materials or cleaning sewage in the reactor inner tube are discharged from the drain pipe under the action of the circulating pump, and the problem of reactant stratification is avoided by circulating mixing, so that the concentration of the reactants is uniform from top to bottom, and the reactants are heated uniformly, thereby improving the reaction efficiency of the raw materials.

[0016] The lengths of the multiple stirring paddles increase or decrease from top to bottom. For stirring raw materials where the reactants sink, the lengths of the multiple stirring paddles increase from top to bottom; for stirring raw materials where the reactants float, the lengths of the multiple stirring paddles decrease from top to bottom, and then they are combined with the feeding circulation component for circulated mixing to avoid the problem of reactant stratification. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 yes Figure 1 The main view;

[0019] Figure 3 It is a structural diagram of the reactor;

[0020] Figure 4 yes Figure 3 sectional view of

[0021] Figure 5 It is a structural diagram of the bearing assembly;

[0022] Figure 6 It is a schematic diagram of the structure of a mechanical seal;

[0023] Figure 7 is a schematic diagram of the structure of the stirring rod;

[0024] Figure 8 yes Figure 7 A structural diagram from another angle.

[0025] Explanation of symbols in the figure:

[0026] 1. Reactor inner cylinder; 11. Feed inlet; 12. Auxiliary material inlet; 13. Discharge port; 2. Heating jacket; 21. Water inlet; 22. Water outlet; 23. Axe foot; 3. Upper cover; 31. Upper cover flange; 32. Flange gasket; 4. Stirring drive assembly; 41. Support frame; 42. Stirring motor; 43. Reducer; 44. Connecting shaft; 45. Coupling; 46. Bearing assembly; 461. Bearing seat; 462. Bearing cap; 463. Upper bearing; 464. Lower bearing; 465. Upper sealing ring; 466. Lower sealing ring; 47. Mechanical seal; 471. Sealing oil pan; 472. Stationary ring; 473. Stationary ring pressure plate; 474. Moving ring; 475. Push ring; 476. Spring seat; 477. Adjusting ring; 5. Stirring rod; 51. Upper stirring paddle; 52. Middle stirring paddle; 53. Lower stirring paddle; 6. Circulating pump; 61. Discharge pipe; 62. Inlet pipe; 63. Drain pipe. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figures 1-8 As shown, the utility model provides a circulating reaction device, which includes a reactor and a feeding circulation component. The reactor provides reaction conditions for the reaction raw materials, and the feeding circulation component further realizes the circulating mixing of the reaction raw materials. The problem of reactant stratification is avoided through the circulating mixing, so that the concentration of the reactants is uniform from top to bottom, and the reactants are heated uniformly, thereby improving the reaction efficiency of the raw materials.

[0029] The specific structure of the reactor includes a reactor inner tube 1 and a heating jacket 2. The upper end of the reactor inner tube 1 is provided with a feed port 11 and multiple auxiliary material ports 12. The feed port 11 is used for discharging materials and an observation window. The lower end of the reactor inner tube 1 is provided with a discharge port 13. The heating jacket 2 is installed on the outside of the reactor inner tube 1. The lower end of the heating jacket 2 is provided with a water inlet 21, and the upper end of the heating jacket 2 is provided with a water outlet 22. There are one or more water outlets 22. Multiple water outlets 22 can speed up the circulation of hot water and improve the control accuracy of the internal problems of the reactor inner tube 1. The outside of the heating jacket 2 is also provided with multiple axe feet 23 for installation and fixation.

[0030] A feeding circulation component is provided between the discharge port 13 of the reactor inner tube 1 and one of the auxiliary material ports 12. The feeding circulation component includes a circulation pump 6. A discharge pipe 61 is provided at the lower end of the circulation pump 6. The discharge pipe 61 connects the circulation pump 6 and the discharge port 13. An inlet pipe 62 and a drain pipe 63 are provided at the upper end of the circulation pump 6. The inlet pipe 62 connects the circulation pump 6 and the auxiliary material port 12. The drain pipe 63 is connected to a recovery box or a sewage tank. The discharge pipe 61, the inlet pipe 62 and the drain pipe 63 are all provided with valves to control their opening and closing. When the discharge pipe 61 and the inlet pipe 62 are opened at the same time, the reactants in the reactor inner tube 1 flow out of the reactor inner tube 1 from the discharge port 13 under the action of the circulation pump 6, and then flow into the reactor inner tube 1 from the auxiliary material port 12, that is, the reactants in the lower layer of the reactor inner tube 1 are added to the reactants in the upper layer of the reactor inner tube 1 through the circulation pump, so as to realize the circulating mixing of the upper and lower layers of the raw materials in the reactor inner tube 1. When the discharge pipe 61 and the sewage pipe 63 are opened at the same time, the reaction raw materials or cleaning sewage in the inner tube 1 of the reactor are discharged from the sewage pipe 63 under the action of the circulation pump 6.

[0031] For reactants that need to be crushed or filtered, a crushing device or a filtering device is installed on the feed pipe 62. During the material circulation and mixing process, the material can be further crushed or filtered to meet the requirements of different reaction raw materials.

[0032] An upper cover 3 is provided above the inner tube 1 of the reactor, and a stirring drive assembly 4 is installed above the upper cover 3. The stirring drive assembly 4 includes a support frame 41. The lower end of the support frame 41 is fixedly connected to the upper cover 3. A stirring motor 42 and a reducer 43 are installed on the upper end of the support frame 41 in sequence. A connecting shaft 44 is provided below the reducer 43, and the connecting shaft 44 and the reducer 43 are connected through a coupling 45.

[0033] A stirring rod 5 is provided inside the inner tube 1 of the reactor. The upper end of the stirring rod 5 is fixedly connected to the connecting shaft 44. A bearing assembly 46 is provided between the connecting shaft 44 and the support frame 41. A mechanical seal 47 is provided between the upper end of the stirring rod 5 and the upper cover 3.

[0034] The bearing assembly 46 includes a bearing seat 461 and a bearing cover 462. The bearing seat 461 is fixedly connected to the support frame 41. An upper bearing 463 and a lower bearing 464 are provided between the bearing seat 461 and the bearing cover 462. The upper bearing 463 and the lower bearing 464 are respectively one of a deep groove ball bearing or a thrust ball bearing. An upper sealing ring 465 is provided between the bearing cover 462 and the connecting shaft 44. A lower sealing ring 466 is provided between the bearing seat 461 and the connecting shaft 44. The upper sealing ring 465 and the lower sealing ring 466 are lip-shaped sealing rings.

[0035] The mechanical seal 47 includes a sealing oil pan 471, which is fixedly connected to the upper cover flange 31 of the upper cover 3. A flange gasket 32 ​​is provided between the sealing oil pan 471 and the upper cover 3. A static ring 472 is provided inside the sealing oil pan 471, and a static ring gasket is provided between the static ring 472 and the sealing oil pan 471. A static ring pressure plate 473 is provided on the outside of the static ring 472, and the static ring pressure plate 473 fixes the static ring 472 to the sealing oil pan 471. A dynamic ring 474 is provided above the static ring 472, and a push ring 474 is provided above the dynamic ring 474. 75 and spring seat 476, the upper end of the dynamic ring 474 and the push ring 475 are installed inside the spring seat 476, a sealing ring is provided between the dynamic ring 474, the push ring 475 and the spring seat 476, a pressure spring is provided between the push ring 475 and the spring seat 476, an adjusting ring 477 is provided above the spring seat 476, the adjusting ring 477 is fixedly connected to the connecting shaft 44, and an adjusting bolt is provided on the adjusting ring 477. Rotating the adjusting bolt can adjust the position of the spring seat 476, thereby adjusting the pressure between the static ring 472 and the dynamic ring 474.

[0036] The lower end of the stirring rod 5 is provided with multiple stirring paddles, which are straight rods or curved rods. The installation directions of the multiple stirring paddles are sequentially spaced at certain angles along the rotation direction of the stirring rod 5, such as rotating 60 degrees or 90 degrees in sequence.

[0037] The lengths of the multiple stirring paddles increase or decrease from top to bottom. For stirring raw materials where the reactants sink, the lengths of the multiple stirring paddles increase from top to bottom; for stirring raw materials where the reactants float, the lengths of the multiple stirring paddles decrease from top to bottom, and then they are combined with the feeding circulation component for circulating mixing to avoid the problem of reactant stratification, so that the concentration of the reactants is uniform from top to bottom, and the reactants are heated evenly, thereby improving the reaction efficiency of the raw materials.

[0038] In a specific embodiment, there are three stirring paddles, namely an upper stirring paddle 51, a middle stirring paddle 52 and a lower stirring paddle 53. The upper stirring paddle 51, the middle stirring paddle 52 and the lower stirring paddle 53 are all arc-shaped bent rods. The installation directions of the upper stirring paddle 51, the middle stirring paddle 52 and the lower stirring paddle 53 are rotated 90 degrees respectively, and the lengths of the upper stirring paddle 51, the middle stirring paddle 52 and the lower stirring paddle 53 increase from top to bottom.

[0039] However, the above description is only a specific embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the patent of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A circulating reaction device, characterized in that: It includes a reactor and a feeding circulation component, the reactor includes a reactor inner tube and a heating jacket, the upper end of the reactor inner tube is provided with a feeding port and multiple auxiliary material ports, the lower end of the reactor inner tube is provided with a discharge port, the feeding circulation component is installed between the discharge port of the reactor inner tube and one of the auxiliary material ports, the feeding circulation component includes a circulation pump, the lower end of the circulation pump is provided with a discharge pipe, the discharge pipe connects the circulation pump and the discharge port, the upper end of the circulation pump is provided with a feed pipe and a drain pipe, the feed pipe connects the circulation pump and the auxiliary material port, the drain pipe is connected to a recovery box or a sewage tank, and the discharge pipe, the feed pipe and the drain pipe are all provided with valves for controlling their opening and closing.

2. A circulating reaction device according to claim 1, characterized in that: An upper cover is provided above the inner cylinder of the reactor, and a stirring drive assembly is installed above the upper cover. The stirring drive assembly includes a support frame, the lower end of the support frame is fixedly connected to the upper cover, and a stirring motor and a reducer are sequentially installed on the upper end of the support frame. A connecting shaft is provided below the reducer, and the connecting shaft and the reducer are connected through a coupling. A bearing assembly is provided between the connecting shaft and the support frame.

3. A circulating reaction device according to claim 2, characterized in that: A stirring rod is provided inside the inner cylinder of the reactor, and a mechanical seal is provided between the upper end of the stirring rod and the upper cover.

4. A circulating reaction device according to claim 3, characterized in that: A plurality of stirring paddles are provided at the lower end of the stirring rod, and the stirring paddles are straight rods or arc-shaped bent rods.

5. A circulating reaction device according to claim 4, characterized in that: The installation directions of the plurality of stirring paddles are sequentially spaced at certain angles along the rotation direction of the stirring rod.

6. A circulating reaction device according to claim 4, characterized in that: The lengths of the plurality of stirring paddles increase or decrease sequentially from top to bottom.

7. A circulating reaction device according to claim 2, characterized in that: The bearing assembly includes a bearing seat and a bearing cover. An upper bearing and a lower bearing are provided between the bearing seat and the bearing cover. The upper bearing and the lower bearing are respectively one of a deep groove ball bearing and a thrust ball bearing.

8. A circulating reaction device according to claim 3, characterized in that: The mechanical seal includes a sealing oil pan, a static ring is provided inside the sealing oil pan, a static ring gasket is provided between the static ring and the sealing oil pan, a static ring pressure plate is provided on the outside of the static ring, the static ring pressure plate fixedly connects the static ring and the sealing oil pan, a dynamic ring is provided above the static ring, a push ring and a spring seat are provided above the dynamic ring, the upper end of the dynamic ring and the push ring are installed inside the spring seat, a sealing ring is provided between the dynamic ring and the push ring and the spring seat, a pressure spring is provided between the push ring and the spring seat, an adjusting ring is provided above the spring seat, the adjusting ring is fixedly connected to the connecting shaft, and an adjusting bolt is provided on the adjusting ring.

9. A circulating reaction device according to claim 1, characterized in that: The heating jacket is installed on the outside of the inner cylinder of the reactor. The lower end of the heating jacket is provided with a water inlet, and the upper end of the heating jacket is provided with a water outlet. The water outlet is one or more.

10. A circulating reaction device according to claim 1, characterized in that: The feeding pipe is equipped with a crushing device or a filtering device.

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