Reaction device

Abstract

The utility model provides a reaction device, relates to the technical field of chemical safety, and is used for solving the problems that a chemical reaction generated when raw materials are mixed and contacted in the reaction device is too violent, excessive heat is released, and safety accidents such as fire disasters are easy to occur. The reaction device comprises a device main body, a feeding assembly and a stirring assembly, wherein the device main body is provided with a reaction cavity; the feeding assembly comprises a material guide box and a pipeline assembly, the material guide box communicates with the reaction cavity through the pipeline assembly, the pipeline assembly comprises a feeding pipeline located in the reaction cavity, the feeding pipeline communicates with the material guide box and the reaction cavity, and a plurality of discharging holes are formed in the feeding pipeline in the axial direction of the feeding pipeline at intervals; the stirring assembly comprises a driving part and a rotary stirring mechanism which are in transmission connection, the driving part and the material guiding box are relatively fixed, at least part of the rotary stirring mechanism is located in the reaction cavity, and the driving part drives the rotary stirring mechanism to rotate and stir materials sent out from the discharging hole. The reaction device is relatively high in raw material feeding controllability and relatively good in raw material mixing uniformity.

Description

Technical Field

[0001] The present application relates to the field of chemical safety technology, and in particular to a reaction device. Background Art

[0002] In the chemical industry, raw materials often need to be chemically processed to produce chemical products.

[0003] In the related art, chemical raw materials are added into a reaction device for chemical treatment. For example, the reaction device is a reactor, and some chemical substances are usually pre-installed in the reactor, which will cause a violent chemical reaction after contacting with the chemical raw materials put into the reactor.

[0004] However, in the related art, after the chemical raw materials are fed into the reaction device, the controllability of the raw material feeding rate is poor and the raw materials are not mixed evenly, which makes the chemical reaction generated by the mixing and contact of the raw materials in the reaction device too violent, releases excessive heat, and is prone to fire-related safety accidents. Utility Model Content

[0005] The embodiment of the present application provides a reaction device for solving the problems of poor controllability of chemical raw material feeding rate, uneven mixing of raw materials, violent chemical reaction and excessive heat release, and easy fire.

[0006] In a first aspect, an embodiment of the present application provides a reaction device, including a device body, a feeding assembly and a stirring assembly, wherein the device body has a reaction chamber;

[0007] The feeding assembly includes a material guide box and a pipeline assembly, the material guide box is connected to the reaction chamber through the pipeline assembly, the pipeline assembly includes a feeding pipeline located in the reaction chamber, the feeding pipeline is connected to the material guide box and the reaction chamber, and the feeding pipeline is provided with a plurality of discharge holes at intervals along its axial direction;

[0008] The stirring assembly includes a driving member and a rotating stirring mechanism that are transmission-connected. The driving member is relatively fixed to the material guide box, and at least part of the rotating stirring mechanism is located in the reaction chamber. The driving member drives the rotating stirring mechanism to rotate and stir the material sent out from the discharge hole.

[0009] By adopting the above technical scheme, the feed pipe in the pipeline assembly is connected between the material guide box and the reaction chamber of the device body, which can increase the feeding path from the material guide box to the reaction chamber, and through the multiple discharge holes arranged on the feed pipe, the raw materials can be discharged into the reaction chamber at different positions on the feed pipe during the feeding process, so as to avoid a large amount of raw materials being fed into the same position of the reaction chamber at the same time to cause a violent chemical reaction; not only that, the driving member drives the rotating stirring mechanism to rotate to stir the chemical raw materials, so that the concentration of the chemical raw materials is more uniform, and then the reaction kinetics in the reaction chamber is more stable, so as to avoid excessive reaction speed in high-concentration areas caused by uneven reaction raw materials, generate a large amount of heat and cause fire, and reduce safety hazards to a minimum.

[0010] In some possible implementations, the feeding pipeline includes a spiral section and a connecting section, two connecting sections are respectively connected to two ends of the spiral section, one of the connecting sections is connected to the material guide box, and the other connecting section is connected to the cavity wall of the reaction chamber;

[0011] The plurality of discharge holes are arranged on the side wall of the spiral section.

[0012] In some possible implementations, the spiral segment has a plurality of connected arc-shaped portions, and the discharge hole is disposed in the arc-shaped portions.

[0013] In some possible implementations, the rotating stirring mechanism includes a rotating member and a stirring member, the rotating member is transmission-connected to the driving member; along the rotation axis direction of the rotating member, the stirring member is fixed to the side of the rotating member.

[0014] In some possible embodiments, the driving member includes a driving motor, the rotating member includes a rotating shaft, the stirring member includes stirring blades, the driving motor is fixed to the top of the material guide box, the rotating shaft is transmission-connected to the output shaft of the driving motor, and the stirring blades are fixed to the side wall of the rotating shaft.

[0015] In some possible implementations, the stirring blade is provided in plurality, and the plurality of stirring blades are circumferentially spaced apart from each other along the rotating shaft.

[0016] In some possible implementations, the stirring blade is provided in plurality, and the plurality of stirring blades are axially spaced apart from each other along the rotating shaft.

[0017] In some possible embodiments, the material guide box is fixed above the device body, the material guide box is provided with a first avoidance hole, the top wall of the reaction chamber is provided with a second avoidance hole, and the rotating shaft extends into the reaction chamber through the first avoidance hole and the second avoidance hole.

[0018] In some possible implementations, the first end of the rotating shaft is rotatably connected to the output shaft of the driving motor, and the second end of the rotating shaft is rotatably connected to the bottom wall of the reaction chamber.

[0019] In some possible implementations, an annular support block is sleeved on the outer periphery of the second end of the rotating shaft, and the annular support block is fixed to the bottom wall of the reaction chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0021] Figure 1 This is a schematic diagram of the structure of the reaction device of an embodiment of the present application;

[0022] Figure 2 The schematic diagram of the structure of the rotating stirring mechanism is shown for the reaction device of the embodiment of the present application.

[0023] Description of reference numerals:

[0024] 1-Device body;

[0025] 10- reaction chamber;

[0026] 2-Feeding assembly;

[0027] 20- material guide box;

[0028] 21- pipeline assembly;

[0029] 211-Feeding pipe;

[0030] 2111-discharging hole; 2112-spiral section; 2113-connecting section;

[0031] 212-feeding pipe;

[0032] 3- stirring component;

[0033] 31- driving member;

[0034] 32-rotate the stirring mechanism;

[0035] 321-rotating shaft; 322-stirring member;

[0036] 33-Annular support block.

[0037] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0038] As described in the background technology, in the chemical industry, it is often necessary to chemically process raw materials to produce chemical products. In the related art, chemical raw materials are added to a reaction device for chemical treatment. For example, the reaction device is a reactor, and some chemical substances are usually pre-placed in the reactor, which will produce a violent chemical reaction after contacting with the chemical raw materials put into the reactor. However, in the related art, after the chemical raw materials are put into the reaction device, the controllability of the raw material feeding rate is poor and the raw materials are not mixed evenly, so that the chemical reaction of the raw materials mixed in the reaction device is too violent, releasing excessive heat, and prone to fire safety accidents.

[0039] In order to solve the above technical problems, an embodiment of the present application provides a reaction device, which is connected between a material guide box and a reaction chamber of a device body through a feeding pipe in a pipeline assembly, thereby increasing the feeding path from the material guide box to the reaction chamber, and through a plurality of discharge holes arranged on the feeding pipe, the raw materials can be discharged into the reaction chamber at different positions on the feeding pipe during the feeding process, so as to avoid a large amount of raw materials being fed into the same position of the reaction chamber at the same time to cause a violent chemical reaction; not only that, at the same time, the driving member drives the rotating stirring mechanism to rotate to stir the chemical raw materials, so that the concentration of the chemical raw materials is more uniform, thereby making the reaction kinetics in the reaction chamber more stable, avoiding excessive reaction speed in high-concentration areas caused by uneven reaction raw materials, generating a large amount of heat and causing fire, and reducing safety hazards to a minimum.

[0040] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0041] The technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0042] Reference Figure 1 and Figure 2 , the embodiment of the present application provides a reaction device, which includes a device body 1, a feeding component 2 and a stirring component 3, and the device body 1 has a reaction chamber 10;

[0043] The feeding assembly 2 includes a material guide box 20 and a pipeline assembly 21. The material guide box 20 is connected to the reaction chamber 10 through the pipeline assembly 21. The pipeline assembly 21 includes a feeding pipeline 211 located in the reaction chamber 10. The feeding pipeline 211 is connected to the material guide box 20 and the reaction chamber 10. The feeding pipeline 211 is provided with a plurality of discharge holes 2111 at intervals along its axial direction.

[0044] The stirring assembly 3 includes a driving member 31 and a rotating stirring mechanism 32 which are connected by a transmission. The driving member 31 is relatively fixed to the material guide box 20. At least part of the rotating stirring mechanism 32 is located in the reaction chamber 10. The driving member 31 drives the rotating stirring mechanism 32 to rotate and stir the material sent out from the discharge hole 2111. For example, the device body 1 can be a reactor, and the reactor includes a base and a reaction tank arranged on the base. The reaction tank includes a circular bottom plate, a cylindrical shell and a top cover. The cylindrical shell is connected to the circular bottom plate, and the top cover is arranged on the cylindrical shell. The base includes an annular frame plate and columns. A plurality of columns are connected to one side of the annular frame plate to support and raise the annular frame plate. The annular frame plate has a circular avoidance opening, which is constructed to accommodate part of the structure of the reaction tank so that the reaction tank is snapped onto the base.

[0045] With such arrangement, the feed pipe 211 in the pipeline assembly 21 is connected between the material guide box 20 and the reaction chamber 10 of the device body 1, so that the feeding path between the material guide box 20 and the reaction chamber 10 can be increased, and the multiple discharge holes 2111 arranged on the feed pipe 211 can enable the raw materials to be discharged into the reaction chamber 10 at different positions during the feeding process on the feed pipe 211, so as to avoid a large amount of raw materials being fed into the same position of the reaction chamber 10 at the same time to cause a violent chemical reaction; not only that, at the same time, the driving member 31 drives the rotating stirring mechanism 32 to rotate to stir the chemical raw materials, so that the concentration of the chemical raw materials is more uniform, thereby making the reaction kinetics in the reaction chamber 10 more stable, avoiding excessive reaction speed in high-concentration areas caused by uneven reaction raw materials, generating a large amount of heat and causing fire, and reducing safety hazards to a minimum.

[0046] In some embodiments, the material guide box 20 is welded to the top of the device body 1, or mounting holes are respectively provided at the bottom of the material guide box 20 and the top of the device body 1, and the material guide box 20 is threadedly connected to the top of the device body 1 by connecting bolts passing through the mounting holes, and the connection stability between the two is relatively high.

[0047] In a possible embodiment, the pipeline assembly 21 also includes a feed pipe 212, the material guide box 20 has a material guide cavity, the feed pipe 212 is fixed to the top of the material guide box 20, for example, the feed pipe 212 is threadedly connected to the top wall of the material guide box 20, and the feed pipe 212 is communicated with the material guide cavity. Further, the feed pipe 212 includes a connected feed section and a guide section, the feed section and the guide section are perpendicular to each other, the feed section is parallel to the material guide box 20, and the feed section is provided with a feed port.

[0048] In some embodiments, the feeding pipeline 211 includes a spiral section 2112 and a connecting section 2113, and the two connecting sections 2113 are respectively connected to the two ends of the spiral section 2112, one of the connecting sections 2113 is connected to the material guide box 20, and the other connecting section 2113 is connected to the cavity wall of the reaction chamber 10; multiple discharge holes 2111 are arranged on the side wall of the spiral section 2112. Compared with the straight section pipeline, the feeding pipeline 211 with the spiral section 2112 further increases its own feeding path, improves the controllability of the raw material feeding speed, and combined with the setting of the discharge holes 2111, the controllability of the feeding at different positions of the reaction chamber 10 along the vertical direction is improved, thereby making the concentration of the reaction raw materials in the reaction chamber 10 more uniform.

[0049] In some embodiments, the spiral segment 2112 has a plurality of connected arc-shaped portions, and the discharge holes 2111 are disposed in the arc-shaped portions, so as to further improve the feeding efficiency and the accuracy of highly graded feeding along the vertical direction of the reaction chamber 10 .

[0050] In some embodiments, the rotating stirring mechanism 32 includes a rotating member and a stirring member 322, and the rotating member is transmission-connected to the driving member 31; along the linear direction of the rotating axis 321 of the rotating member, the stirring member 322 is fixed to the side of the rotating member, so that the stirring member 322 located on the side can fully stir the materials in the mixing chamber under the drive of the rotating member, and the concentration of the chemical raw materials is more uniform, thereby making the reaction safer and smoother. In addition, through the design of the split rotating stirring mechanism 32, the stirring member 322 of the rotating stirring mechanism 32 is easy to disassemble and install, which is convenient for maintenance.

[0051] In some embodiments, the driving member 31 includes a driving motor, the rotating member includes a rotating shaft 321, the stirring member 322 includes stirring blades, the driving motor is fixed to the top of the material guide box 20, the rotating shaft 321 is transmission-connected to the output shaft of the driving motor, and the stirring blades are fixed to the side wall of the rotating shaft 321.

[0052] With such arrangement, the stirring blades provide a larger stirring area for the materials in the reaction chamber 10 and a higher stirring efficiency.

[0053] As an example, the driving member 31 also includes a motor seat, and the driving motor is fixed to the top of the material guide box 20 through the motor seat. The motor seat includes a seat plate and a pillar connected to the seat plate facing the side of the material guide box 20. The seat plate is provided with a limiting hole, and the driving motor is clamped in the limiting hole. In this way, the installation stability of the driving motor is improved. In another example, the driving member 31 also includes a coupling, which is transmission-connected between the output shaft of the driving motor and the rotating shaft 321, thereby improving the power output efficiency of the driving motor and the transmission efficiency between it and the rotating shaft 321.

[0054] In some embodiments, the stirring blades are provided in plurality, and the plurality of stirring blades are arranged at intervals along the rotating shaft 321 circumferentially. For example, the stirring blades are provided in three portions, and the three stirring blades are arranged at intervals of 120 degrees along the rotating shaft 321 circumferentially, thereby further improving the stirring efficiency of the stirring member 322 .

[0055] In some embodiments, the stirring blades are provided in plurality and are spaced apart axially along the rotating shaft 321. For example, the stirring blades are provided in plurality and are spaced apart axially along the rotating shaft 321. Thus, the stirring efficiency of the stirring member 322 is further improved.

[0056] In more embodiments, the stirring blades are arranged in two groups, and the two groups of stirring blades are arranged axially along the rotating shaft 321 at intervals. Each group of stirring blades has three stirring blades, and the three stirring blades are arranged circumferentially along the rotating shaft 321 at intervals of 120 degrees, further improving the stirring efficiency of the stirring element 322.

[0057] In some embodiments, the material guide box 20 is fixed above the device body 1, the material guide box 20 is provided with a first avoidance hole, the top wall of the reaction chamber 10 is provided with a second avoidance hole, and the rotating shaft 321 extends into the reaction chamber 10 through the first avoidance hole and the second avoidance hole.

[0058] In some embodiments, a first end of the rotating shaft 321 is rotatably connected to an output shaft of a driving motor, and a second end of the rotating shaft 321 is rotatably connected to a bottom wall of the reaction chamber 10 .

[0059] In some embodiments, an annular support block 33 is sleeved on the outer periphery of the second end of the rotating shaft 321 . The annular support block 33 is fixed to the bottom wall of the reaction chamber 10 , thereby enhancing the radial stability of the rotating shaft 321 to ensure its stable rotation.

[0060] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0061] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0062] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0064] The various embodiments or implementation methods in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referenced to each other.

[0065] It should be noted that the embodiments represented by "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing specific features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments that are explicitly or not explicitly described.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A reaction device, characterized in that: It comprises a device body, a feeding assembly and a stirring assembly, wherein the device body has a reaction chamber; The feeding assembly includes a material guide box and a pipeline assembly, the material guide box is connected to the reaction chamber through the pipeline assembly, the pipeline assembly includes a feeding pipeline located in the reaction chamber, the feeding pipeline is connected to the material guide box and the reaction chamber, and the feeding pipeline is provided with a plurality of discharge holes at intervals along its axial direction; The stirring assembly includes a driving member and a rotating stirring mechanism that are transmission-connected. The driving member is relatively fixed to the material guide box, and at least part of the rotating stirring mechanism is located in the reaction chamber. The driving member drives the rotating stirring mechanism to rotate and stir the material sent out from the discharge hole.

2. The reaction device according to claim 1, characterized in that: The feeding pipeline includes a spiral section and a connecting section, wherein two connecting sections are respectively connected to two ends of the spiral section, one of the connecting sections is connected to the material guide box, and the other connecting section is connected to the cavity wall of the reaction cavity; The plurality of discharge holes are arranged on the side wall of the spiral section.

3. The reaction device according to claim 2, characterized in that: The spiral section has a plurality of connected arc-shaped portions, and the discharge hole is arranged on the arc-shaped portions.

4. The reaction device according to any one of claims 1 to 3, characterized in that: The rotating stirring mechanism comprises a rotating member and a stirring member, wherein the rotating member is transmission-connected to the driving member; and the stirring member is fixed to the side of the rotating member along the rotating axis direction of the rotating member.

5. The reaction device according to claim 4, characterized in that: The driving member includes a driving motor, the rotating member includes a rotating shaft, the stirring member includes stirring blades, the driving motor is fixed to the top of the material guide box, the rotating shaft is transmission-connected to the output shaft of the driving motor, and the stirring blades are fixed to the side wall of the rotating shaft.

6. The reaction device according to claim 5, characterized in that: The stirring blades are provided in plurality, and the plurality of stirring blades are arranged at intervals along the circumferential direction of the rotating shaft.

7. The reaction device according to claim 5, characterized in that: The stirring blades are provided in plurality, and the plurality of stirring blades are arranged at intervals along the axial direction of the rotating shaft.

8. The reaction device according to claim 4, characterized in that: The material guide box is fixed above the device body, the material guide box is provided with a first avoidance hole, the top wall of the reaction chamber is provided with a second avoidance hole, and the rotating shaft extends into the reaction chamber through the first avoidance hole and the second avoidance hole.

9. The reaction device according to claim 5, characterized in that: The first end of the rotating shaft is rotatably connected to the output shaft of the driving motor, and the second end of the rotating shaft is rotatably connected to the bottom wall of the reaction chamber.

10. The reaction device according to claim 9, characterized in that: An annular support block is sleeved on the outer periphery of the second end of the rotating shaft, and the annular support block is fixed to the bottom wall of the reaction chamber.

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