Hydrogen peroxide oxidation reaction liquid preparation device

Abstract

The utility model discloses a liquid preparation device for hydrogen peroxide oxidation reaction, which relates to the technical field of hydrogen peroxide oxidation reaction equipment and comprises a reaction tank, a tank cover is arranged on the inner wall of the reaction tank, two groups of metering components are arranged on the outer side of the reaction tank, and a reaction component is arranged at the top of the reaction tank. And the metering assembly comprises a mounting plate fixed on the outer side of the reaction tank. The device has the beneficial effects that the storage frame and the reaction tank can be conveniently connected by arranging the mounting plate, and the hydrogen peroxide can be conveniently metered and the actual adding amount of the hydrogen peroxide can be conveniently controlled by arranging the storage frame and the dial gauge for matched use, so that side reaction caused by local excess of the hydrogen peroxide is avoided, the yield and the purity of products are improved, and the production cost is reduced. Through cooperative use of the control valve and the connecting pipe, hydrogen peroxide in the storage frame can be conveniently introduced into the reaction tank, and through arrangement of the reaction assembly, hydrogen peroxide and sodium tungstate or manganese tungstate can be conveniently subjected to a mixed reaction.

Description

Technical Field

[0001] This utility model relates to the technical field of hydrogen peroxide oxidation reaction equipment, and in particular to a hydrogen peroxide oxidation reaction solution preparation device. Background Technology

[0002] Hydrogen peroxide (H2O2), as a green oxidant, is widely used in organic synthesis, environmental remediation, and industrial production. Its oxidation reaction mechanism and condition control are particularly crucial. The oxidizing power of hydrogen peroxide stems from the instability of the peroxide bond (-OO-), which readily undergoes homolytic cleavage under heating, light, or catalysis to generate highly reactive hydroxyl radicals (·OH), or heterolytic cleavage to form oxygen anions (O²⁻), which then attack the substrate. For example, under alkaline conditions, H2O2 decomposes into HO2⁻, which can selectively oxidize sulfides to sulfoxides; while under transition metal (such as Fe²⁺) catalysis, it generates ·OH through the Fenton reaction, which can efficiently degrade organic pollutants. For olefin epoxidation, hydrogen peroxide often works synergistically with sodium tungstate or manganese complexes to achieve stereoselective conversion. Reaction temperature, pH, and solvent polarity significantly affect the oxidation pathway: hydrogen peroxide is more stable in acidic media, but its oxidizing power is weaker; its reactivity increases under neutral to alkaline conditions.

[0003] In the hydrogen peroxide (H2O2) oxidation reaction, the role of the solution preparation device is to ensure that hydrogen peroxide is added to the reaction system stably and controllably, so as to avoid uneven reaction or safety hazards caused by fluctuations in the dosage. However, most existing solution preparation devices rely on pressure sensors to control the delivery of hydrogen peroxide, that is, to introduce hydrogen peroxide into the reaction tank by adjusting the system pressure. However, they lack flow metering function. Pressure control can only adjust the delivery force of hydrogen peroxide, but cannot directly measure the actual amount added. The inability to measure the amount added can lead to local excess of hydrogen peroxide, which may cause side reactions (such as over-oxidation or violent decomposition and heat generation). If the amount added is insufficient, the reaction will be incomplete, affecting the product yield and purity. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A hydrogen peroxide oxidation reaction preparation device includes a reaction tank, an inner wall of which is provided with a tank cover, two sets of metering components are provided on the outer side of the reaction tank, and a reaction component is provided on the top of the reaction tank. The metering component includes a mounting plate fixed to the outer side of the reaction tank, a storage frame fixed to one side of the mounting plate, the storage frame being made of transparent material, a scale being provided on one side of the storage frame, a connecting pipe communicating with the inner wall of the storage frame, a control valve being provided on the outer side of the connecting pipe, and the other end of the connecting pipe communicating with the inner wall of the reaction tank.

[0007] The reaction assembly includes a motor fixed to the top of the tank lid, and a rotating rod fixed to the output end of the motor through the inner wall of the tank lid. Multiple sets of stirring blades for the oxidation reaction of hydrogen peroxide are fixed to the outside of the rotating rod.

[0008] In a preferred embodiment of the hydrogen peroxide oxidation reaction preparation device of this utility model, multiple sets of connecting blocks are fixed on the outside of the reaction tank, and each set of connecting blocks is rotatably equipped with a limiting plate for installing the tank cover.

[0009] In a preferred embodiment of the hydrogen peroxide oxidation reaction preparation device of this utility model, two sets of fixing rings are fixed on the outside of the reaction tank, and multiple support rods are fixed on the outside of each set of fixing rings.

[0010] In a preferred embodiment of the hydrogen peroxide oxidation reaction preparation device of this utility model, the bottom of the reaction tank is fixed with multiple sets of support frames, each set of support frames corresponding to multiple support rods, and the bottom of the multiple sets of support frames is fixed with multiple sets of support seats for supporting the main body.

[0011] In a preferred embodiment of the hydrogen peroxide oxidation reaction preparation device of this utility model, the inner wall of the reaction tank is connected to a discharge pipe, the other end of the discharge pipe is connected to a discharge pump, and the outlet end of the discharge pump is connected to a fixed pipe.

[0012] In a preferred embodiment of the hydrogen peroxide oxidation reaction preparation device of this utility model, the outer side of the rotating rod has a limiting ring, and multiple sets of fixing rods are fixed on the outer side of the limiting ring, with the upper end of the fixing rods fixedly connected to the bottom of the tank cover.

[0013] In a preferred embodiment of the hydrogen peroxide oxidation reaction preparation device of this utility model, a horizontal support rod is fixed on one side of the mounting plate, and a diagonal support rod for improving the stability of the storage frame is fixed on the top of the horizontal support rod.

[0014] In summary, this utility model has the following beneficial effects:

[0015] By setting up an installation plate, the connection between the storage frame and the reaction vessel can be easily made. By setting up the storage frame and the scale, the hydrogen peroxide can be easily metered, making it easy to control the actual amount of hydrogen peroxide added and avoid side reactions caused by local overdose of hydrogen peroxide, thereby improving the product yield and purity. By setting up a control valve and connecting pipe, the hydrogen peroxide in the storage frame can be easily introduced into the reaction vessel. By setting up a reaction component, hydrogen peroxide, sodium tungstate or manganese can be easily mixed and reacted. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of the hydrogen peroxide oxidation reaction solution preparation device.

[0018] Figure 2 This is a structural diagram of the metering components of a hydrogen peroxide oxidation reaction solution preparation device.

[0019] Figure 3 This is a structural diagram of the reaction vessel and stationary ring of the hydrogen peroxide oxidation reaction solution preparation device.

[0020] Figure 4 This is a diagram of the internal structure of the reaction tank in a hydrogen peroxide oxidation reaction preparation device.

[0021] The following are the labels in the diagram: 1. Reaction vessel; 2. Vessel lid; 3. Metering assembly; 31. Mounting plate; 32. Storage frame; 33. Scale; 34. Connecting pipe; 4. Reaction assembly; 41. Motor; 42. Rotating rod; 43. Stirring blade; 5. Connecting block; 6. Limiting plate; 7. Fixing ring; 8. Support rod; 9. Support frame; 10. Support base; 11. Discharge pipe; 12. Discharge pump; 13. Limiting ring; 14. Fixing rod; 15. Horizontal brace; 16. Diagonal brace. Detailed Implementation

[0022] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0025] Example 1:

[0026] Reference Figures 1-4 This is the first embodiment of the present invention. This embodiment provides a hydrogen peroxide oxidation reaction preparation device, including a reaction tank 1, a tank cover 2 provided on the inner wall of the reaction tank 1, two sets of metering components 3 provided on the outer side of the reaction tank 1, and a reaction component 4 provided on the top of the reaction tank 1. By setting the metering components 3, hydrogen peroxide, sodium tungstate or manganese can be conveniently metered. By setting the reaction component 4, hydrogen peroxide, sodium tungstate or manganese can be conveniently mixed and reacted uniformly.

[0027] The metering component 3 includes a mounting plate 31 fixed to the outside of the reaction vessel 1. A storage frame 32 is fixed to one side of the mounting plate 31. The storage frame 32 is made of transparent material. A scale 33 is provided on one side of the storage frame 32. A connecting pipe 34 is connected to the inner wall of the storage frame 32. A control valve is provided on the outside of the connecting pipe 34. The other end of the connecting pipe 34 is connected to the inner wall of the reaction vessel 1.

[0028] Mounting plate 31 serves as a bridge, facilitating the connection between storage frame 32 and reaction vessel 1. The design of two sets of storage frames 32 allows for convenient classification and storage of hydrogen peroxide, sodium tungstate, or manganese. Hydrogen peroxide is stored in one set of storage frames 32, while the other set is used to store sodium tungstate or manganese. Because the storage frames 32 are made of transparent material, the amount of hydrogen peroxide, sodium tungstate, or manganese added in the storage frames 32 can be clearly observed through the scale 33, thereby enabling control over the amount of hydrogen peroxide, sodium tungstate, or manganese added. By using a control valve and connecting pipe 34 in conjunction, hydrogen peroxide, sodium tungstate, or manganese can be easily introduced into reaction vessel 1.

[0029] The reaction assembly 4 includes a motor 41 fixed to the top of the tank cover 2. The output end of the motor 41 is fixed with a rotating rod 42 through the inner wall of the tank cover 2. Multiple sets of stirring blades 43 for the oxidation reaction of hydrogen peroxide are fixed to the outside of the rotating rod 42.

[0030] The motor 41 is used as a driving component to drive the rotating rod 42 to rotate. The rotating rod 42 is used as a linkage component to drive the stirring blade 43 to rotate. The design of the stirring blade 43 facilitates the uniform mixing and reaction of hydrogen peroxide, sodium tungstate or manganese in the reaction vessel 1.

[0031] Example 2:

[0032] This is the second embodiment of the present invention, which is based on the previous embodiment.

[0033] Specifically, multiple sets of connecting blocks 5 are fixed to the outside of the reaction vessel 1, and each set of connecting blocks 5 is rotatably connected to a limiting plate 6 for installing the vessel cover 2.

[0034] By setting the connecting block 5, the limiting plate 6 can be easily adjusted. The limiting plate 6 is equipped with bolts for installing and removing the can lid 2.

[0035] Specifically, two sets of fixing rings 7 are fixed to the outside of the reaction vessel 1, and multiple support rods 8 are fixed to the outside of both sets of fixing rings 7.

[0036] The design of two sets of fixing rings 7 and multiple support rods 8 is to facilitate the improvement of the stability of the reaction vessel 1 during the reaction process.

[0037] Specifically, the bottom of the reaction vessel 1 is fixed with multiple sets of support frames 9, each set of support frames 9 corresponding to multiple support rods 8, and the bottom of the multiple sets of support frames 9 is fixed with multiple sets of support seats 10 for supporting the main body.

[0038] The design of the support frame 9 and the support base 10 facilitates the support of the main body and also facilitates the support rod 8, thereby improving the stability of the main body.

[0039] Specifically, the inner wall of the reaction vessel 1 is connected to a discharge pipe 11, the other end of the discharge pipe 11 is connected to a discharge pump 12, and the outlet end of the discharge pump 12 is connected to a fixed pipe.

[0040] By using the discharge pump 12 and discharge pipe 11 together, the hydrogen peroxide, sodium tungstate or manganese after the reaction can be conveniently discharged from the reaction tank 1.

[0041] Example 3:

[0042] This is the third embodiment of the present invention, which is based on the first two embodiments.

[0043] Specifically, the outer side of the rotating rod 42 rotates with a limiting ring 13, and multiple sets of fixing rods 14 are fixed on the outer side of the limiting ring 13, with the upper end of the fixing rod 14 fixedly connected to the bottom of the can lid 2.

[0044] By using the limit ring 13 and the fixing rod 14 together, the stability of the rotating rod 42 during rotation can be easily improved.

[0045] Specifically, a horizontal support rod 15 is fixed to one side of the mounting plate 31, and a diagonal support rod 16 for improving the stability of the storage frame 32 is fixed to the top of the horizontal support rod 15.

[0046] By using the cross brace 15 and the diagonal brace 16 together, the stability of the storage frame 32 can be improved, preventing the storage frame 32 from collapsing when there is a large amount of hydrogen peroxide, sodium tungstate or manganese inside.

[0047] In use, hydrogen peroxide is first added to one of the storage boxes 32. Since the storage box 32 is made of transparent material, the amount added can be seen. Then, the amount of hydrogen peroxide added is precisely controlled by the scale 33. The appropriate amount of sodium tungstate or manganese is added to the other storage box 32. When the appropriate amount is added to both, the two control valves are opened at the same time. After the control valves are opened, the hydrogen peroxide and sodium tungstate or manganese in the two storage boxes 32 are introduced into the reaction tank 1 through the connecting pipe 34. After the hydrogen peroxide and sodium tungstate or manganese enter the reaction tank 1, the motor 41 is turned on. The rotation of the motor 41 drives the rotating rod 42 to rotate, and the rotation of the rotating rod 42 drives the stirring blade 43 to rotate. After the stirring blade 43 rotates, the hydrogen peroxide and sodium tungstate or manganese can react evenly. After the reaction is completed, the motor 41 is turned off and the discharge pump 12 is turned on. After the discharge pump 12 starts, the hydrogen peroxide and sodium tungstate or manganese in the reaction tank 1 are discharged through the discharge pipe 11.

[0048] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A hydrogen peroxide oxidation reaction preparation device, comprising a reaction tank (1), characterized in that: The inner wall of the reaction vessel (1) is provided with a lid (2), the outer side of the reaction vessel (1) is provided with two sets of metering components (3), and the top of the reaction vessel (1) is provided with a reaction component (4). The metering component (3) includes a mounting plate (31) fixed to the outside of the reaction vessel (1). A storage frame (32) is fixed on one side of the mounting plate (31), and the storage frame (32) is made of transparent material. A scale (33) is provided on one side of the storage frame (32). A connecting pipe (34) is connected to the inner wall of the storage frame (32), and a control valve is provided on the outside of the connecting pipe (34). The other end of the connecting pipe (34) is connected to the inner wall of the reaction vessel (1). The reaction assembly (4) includes a motor (41) fixed to the top of the can lid (2). The output end of the motor (41) is fixed with a rotating rod (42) through the inner wall of the can lid (2). Multiple sets of stirring blades (43) for the oxidation reaction of hydrogen peroxide are fixed to the outside of the rotating rod (42).

2. The hydrogen peroxide oxidation reaction solution preparation device as described in claim 1, characterized in that: Multiple sets of connecting blocks (5) are fixed to the outside of the reaction vessel (1), and each set of connecting blocks (5) is rotatably connected to a limiting plate (6) for installing the vessel cover (2).

3. The hydrogen peroxide oxidation reaction solution preparation device as described in claim 1, characterized in that: Two sets of fixing rings (7) are fixed on the outside of the reaction vessel (1), and multiple support rods (8) are fixed on the outside of both sets of fixing rings (7).

4. The hydrogen peroxide oxidation reaction solution preparation device as described in claim 3, characterized in that: The bottom of the reaction vessel (1) is fixed with multiple sets of support frames (9), each set of support frames (9) corresponds to multiple support rods (8), and the bottom of the multiple sets of support frames (9) is fixed with multiple sets of support seats (10) for supporting the main body.

5. The hydrogen peroxide oxidation reaction solution preparation device as described in claim 1, characterized in that: The inner wall of the reaction vessel (1) is connected to a discharge pipe (11), and the other end of the discharge pipe (11) is connected to a discharge pump (12), and the outlet end of the discharge pump (12) is connected to a fixed pipe.

6. The hydrogen peroxide oxidation reaction solution preparation device as described in claim 1, characterized in that: The outer side of the rotating rod (42) is rotated by a limiting ring (13), and multiple sets of fixing rods (14) are fixed on the outer side of the limiting ring (13), and the upper end of the fixing rod (14) is fixedly connected to the bottom of the can lid (2).

7. The hydrogen peroxide oxidation reaction solution preparation device as described in claim 1, characterized in that: A horizontal brace (15) is fixed to one side of the mounting plate (31), and a diagonal brace (16) for improving the stability of the storage frame (32) is fixed to the top of the horizontal brace (15).

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