Residual liquid recovery device for hydrogen peroxide production

By introducing filter cylinders and stirring blades into the hydrogen peroxide production device, using a motor to drive the stirring blades to accelerate the reaction and using centrifugal force to separate solid impurities, the problem of low natural sedimentation separation efficiency of residual liquid is solved, and efficient residual liquid treatment is achieved.

CN223372805UActive Publication Date: 2025-09-23LONGYAN LONGHUA CHEM CO LTD
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Patent Information

Application Number
CN202422707385.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-09-23
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

The natural sedimentation and separation efficiency of residual liquid in the hydrogen peroxide production process is low, resulting in a slow and inefficient treatment process.

Method used

A residual liquid recovery device for hydrogen peroxide production is designed, which includes a filter cylinder, a rotating shaft and a stirring blade. The stirring blade is driven by a motor to increase the mixing efficiency of the reactant and residual liquid, and the centrifugal force is used to accelerate the separation of solid impurities.

Benefits of technology

The efficiency of residual liquid treatment is improved, and the filtration efficiency of solid impurities is significantly improved by accelerating the reaction speed and centrifugal separation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a residual liquid recovery device for hydrogen peroxide production, which comprises a device tank, the top end of the device tank is vertically provided with a mounting port in a penetrating manner, the interior of the mounting port is fixedly connected with a connecting ring, and the interior of the connecting ring is detachably provided with a device cylinder with an open bottom end. According to the residual liquid recovery device for hydrogen peroxide production, by arranging the filter screen cylinder, the rotating shaft and the stirring blades, when the device runs, the motor is started firstly, after the motor is started, the output shaft of the motor rotates to drive the rotating shaft to rotate, the stirring blades rotate synchronously, then residual liquid and a reactant are fed into the filter screen cylinder together, and the reactant is fed into the filter screen cylinder; when the residual liquid is filtered, solid impurities in the residual liquid can be intercepted by the filter screen cylinder, and the continuously rotating stirring blades can accelerate the reaction of a reactant and the residual liquid and can also form a vortex to generate centrifugal force, so that the liquid can be diffused outwards from the filter screen cylinder in the middle, the filtering efficiency of the filter screen cylinder is improved, and the residual liquid treatment efficiency can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen peroxide production, in particular to a residual liquid recovery device for hydrogen peroxide production. Background Art

[0002] Hydrogen peroxide is the common name for aqueous hydrogen peroxide solution. As a strong oxidant and disinfectant, it is widely used in sterilization, sewage treatment, dyeing and weaving, bleaching and other fields. The usage concentration is usually between 3% and 30% (mass fraction). It can quickly decompose and produce oxygen at lower concentrations. Among them, the commonly used concentration for medical disinfection is 3% to 5%. The higher the concentration, the stronger the oxidizing property.

[0003] During the production and processing of hydrogen peroxide, residual liquid will be produced. The residual liquid contains a certain amount of hydrogen peroxide and other harmful substances, which need to be recycled. During the recycling process, it is necessary to add reactants to the residual liquid and wait for it to undergo a chemical reaction to produce solid impurities. Then it is left to precipitate and wait for it to separate naturally. However, this process is relatively slow and inefficient. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a residual liquid recovery device for hydrogen peroxide production, which solves the problem that when treating the residual hydrogen peroxide, it is necessary to place it for precipitation and wait for its natural separation, but this process is relatively slow and inefficient.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a residual liquid recovery device for hydrogen peroxide production, comprising a device tank, a mounting opening vertically penetrated through the top of the device tank, a connecting ring fixedly connected to the interior of the mounting opening, a device cylinder with an open bottom end detachably mounted inside the connecting ring, the bottom end of the device cylinder extending into the interior of the device tank, a filter cylinder with its bottom end extending to the bottom end of the interior of the device tank detachably mounted on the bottom end of the device cylinder, a rotating shaft extending to the bottom end of the filter cylinder vertically rotatably connected to the top of the interior of the device cylinder, a plurality of stirring blades fixedly connected to the outer surface of the rotating shaft;

[0006] The top end of the device tube is fixedly connected to a motor, and the output shaft of the motor rotatably passes through the device tube and is fixedly connected to the top end of the rotating shaft.

[0007] Furthermore, both sides of the outer surface of the device barrel are laterally connected with feed pipes.

[0008] Furthermore, the bottom end of the device tank is vertically connected to a discharge pipe, the other end of the discharge pipe is connected to a tee, and both discharge ports of the tee are connected to a feed pipe. An extraction pump is fixedly connected to the outer surface of the device tank, the feed port of the extraction pump is connected to the other end of one of the feed pipes, and the discharge port of the extraction pump is connected to a reflux pipe.

[0009] Furthermore, both feeding pipes are provided with solenoid valves.

[0010] Furthermore, the other end of the reflux pipe is fixedly connected with a connecting buckle adapted to the feed pipe, and the connecting buckle is detachably installed on the outer end of one of the feed pipes. When the connecting buckle is installed on the outer end of the feed pipe, the reflux pipe is connected to the inside of the device barrel.

[0011] Furthermore, a plurality of supporting legs are vertically fixedly connected to the bottom end of the outer surface of the device tank, and a reinforcing rod is transversely fixedly connected between every two adjacent supporting legs.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the residual liquid recovery device for hydrogen peroxide production is provided with a filter drum, a rotating shaft and a stirring blade. When the device is in operation, the motor is first started. After the motor is started, the output shaft rotates to drive the rotating shaft to rotate, and the stirring blade also rotates synchronously. Then, the residual liquid and the reactant are sent into the filter drum together, and the solid impurities in the residual liquid are intercepted by the filter drum. The continuously rotating stirring blade can not only accelerate the reaction between the reactant and the residual liquid, but also form a vortex to generate centrifugal force, so that the liquid can diffuse outward from the middle filter drum, thereby increasing the filtration efficiency of the filter drum, thereby improving the efficiency of residual liquid treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the external structure of the utility model;

[0015] Figure 3 for Figure 1 A partial enlarged view of the area at point A.

[0016] In the figure: 1-device tank, 2-connecting ring, 3-device cylinder, 4-feeding pipe, 5-motor, 6-inner ring, 7-filter cylinder, 8-rotating shaft, 9-stirring blade, 10-tee, 11-feeding pipe, 12-solenoid valve, 13-extraction pump, 14-reflux pipe, 15-connecting buckle, 16-support leg, 17-reinforcement rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0018] See also Figure 1-3 The utility model provides a technical solution: a residual liquid recovery device for hydrogen peroxide production, comprising a device tank 1, a mounting opening vertically penetrated at the top of the device tank 1, a connecting ring 2 fixedly connected to the inside of the mounting opening, a device cylinder 3 with an open bottom end detachably mounted inside the connecting ring 2, the bottom end of the device cylinder 3 extends into the interior of the device tank 1, a filter cylinder 7 with its bottom end extending to the bottom end of the device tank 1 is detachably mounted at the bottom end of the device cylinder 3, a rotating shaft 8 extending to the bottom end of the filter cylinder 7 is vertically rotatably connected to the top of the interior of the device cylinder 3, and a plurality of stirring blades 9 are fixedly connected to the outer surface of the rotating shaft 8;

[0019] The top end of the device tube 3 is fixedly connected to a motor 5 , and the output shaft of the motor 5 rotatably passes through the device tube 3 and is fixedly connected to the top end of the rotating shaft 8 .

[0020] When the device is in operation, the motor 5 is first started. After the motor 5 is started, its output shaft rotates to drive the rotating shaft 8 to rotate, and the stirring blade 9 also rotates synchronously. Then the residual liquid and the reactant are sent into the filter cylinder 7 together, and the solid impurities in the residual liquid will be intercepted by the filter cylinder 7. The continuously rotating stirring blade 9 can not only accelerate the reaction between the reactant and the residual liquid, but also form a vortex to generate centrifugal force, so that the liquid can diffuse outward from the middle filter cylinder 7, thereby increasing the filtration efficiency of the filter cylinder 7, thereby improving the efficiency of residual liquid treatment.

[0021] The device cylinder 3 and the connecting ring 2 in the device are connected by a threaded connection. The inner ring 6 is also connected to the bottom end of the device cylinder 3 by a threaded connection. The filter cylinder 7 is fixedly connected to the bottom end of the inner ring 6. After the entire work is completed, the device cylinder 3 can be disassembled as a whole, and the filter cylinder 7 can also be disassembled to be cleaned separately.

[0022] Both sides of the outer surface of the device cylinder 3 are laterally connected with a feed pipe 4.

[0023] The feed pipe 4 is used to add residual liquid, reactants and other materials.

[0024] The bottom end of the device tank 1 is vertically connected to a discharge pipe, the other end of the discharge pipe is connected to a tee 10, and the two discharge ports of the tee 10 are both connected to a feed pipe 11. An extraction pump 13 is fixedly connected to the outer surface of the device tank 1, the feed port of the extraction pump 13 is connected to the other end of a feed pipe 11, and the discharge port of the extraction pump 13 is connected to a reflux pipe 14.

[0025] The other end of the reflux pipe 14 is fixedly connected to a connecting buckle 15 that is compatible with the feed pipe 4. The connecting buckle 15 can be detachably installed on the outer end of one feed pipe 4. When the connecting buckle 15 is installed on the outer end of the feed pipe 4, the reflux pipe 14 is connected to the inside of the device cylinder 3.

[0026] After the first treatment of the residual liquid, the device can also extract the treated residual liquid back to the filter drum 7 through the extraction pump 13 for further filtration. The treated residual liquid enters the tee 10 through the discharge pipe, and then flows back to the filter drum 7 through the reflux pipe 14 and the feed pipe 4 under the extraction of the extraction pump 13. During the initial treatment, part of the residual liquid and the reactant react on the outside of the filter drum 7, and solid impurities will be generated on the outside of the filter drum 7 at this time. The reflux operation can treat these impurities.

[0027] When the device barrel 3 needs to be disassembled, the connecting buckle 15 can be disassembled from the feed pipe 4, which will not affect the disassembly operation of the device barrel 3.

[0028] The two feeding pipes 11 are both provided with a solenoid valve 12 .

[0029] The solenoid valve 12 is used to control the opening and closing of the two feeding pipes 11 to ensure that all residual liquid can flow back into the tank during the reflux operation.

[0030] A plurality of support legs 16 are vertically fixedly connected to the bottom end of the outer surface of the device tank 1 , and a reinforcement rod 17 is transversely fixedly connected between every two adjacent support legs 16 .

[0031] The support legs 16 play a supporting role, and the reinforcement rods 17 reinforce the stability of the multiple support legs 16 .

[0032] When the device is in operation, the motor 5 is first started. After the motor 5 is started, its output shaft rotates to drive the rotating shaft 8 to rotate, and the stirring blade 9 also rotates synchronously. Then the residual liquid and the reactant are sent into the filter cylinder 7 together, and the solid impurities in the residual liquid will be intercepted by the filter cylinder 7. The continuously rotating stirring blade 9 can not only accelerate the reaction between the reactant and the residual liquid, but also form a vortex to generate centrifugal force, so that the liquid can diffuse outward from the middle filter cylinder 7, thereby increasing the filtration efficiency of the filter cylinder 7, thereby improving the efficiency of residual liquid treatment.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A residual liquid recovery device for hydrogen peroxide production, characterized in that: The invention comprises a device tank (1), wherein the top end of the device tank (1) is provided with an installation opening in a vertical direction, a connecting ring (2) is fixedly connected to the inside of the installation opening, a device cylinder (3) with an open bottom end is detachably installed inside the connecting ring (2), the bottom end of the device cylinder (3) extends to the inside of the device tank (1), a filter cylinder (7) with its bottom end extending to the bottom end of the inside of the device tank (1) is detachably installed at the bottom end of the device cylinder (3), the top end of the inside of the device cylinder (3) is vertically rotatably connected to a rotating shaft (8) extending to the bottom end of the filter cylinder (7), and a plurality of stirring blades (9) are fixedly connected to the outer surface of the rotating shaft (8); The top end of the device barrel (3) is fixedly connected to a motor (5), and the output shaft of the motor (5) rotatably passes through the device barrel (3) and is fixedly connected to the top end of the rotating shaft (8).

2. A residual liquid recovery device for hydrogen peroxide production according to claim 1, characterized in that: Both sides of the outer surface of the device cylinder (3) are laterally connected with a feed pipe (4).

3. A residual liquid recovery device for hydrogen peroxide production according to claim 2, characterized in that: The bottom end of the device tank (1) is vertically connected to a discharge pipe, the other end of the discharge pipe is connected to a tee (10), and the two discharge ports of the tee (10) are both connected to a feed pipe (11). An extraction pump (13) is fixedly connected to the outer surface of the device tank (1), the feed port of the extraction pump (13) is connected to the other end of one of the feed pipes (11), and the discharge port of the extraction pump (13) is connected to a reflux pipe (14).

4. A residual liquid recovery device for hydrogen peroxide production according to claim 3, characterized in that: Both feeding pipes (11) are provided with electromagnetic valves (12).

5. A residual liquid recovery device for hydrogen peroxide production according to claim 3, characterized in that: The other end of the reflux pipe (14) is fixedly connected to a connecting buckle (15) adapted to the feed pipe (4), and the connecting buckle (15) is detachably mounted on an outer end of the feed pipe (4). When the connecting buckle (15) is mounted on the outer end of the feed pipe (4), the reflux pipe (14) is communicated with the interior of the device barrel (3).

6. A residual liquid recovery device for hydrogen peroxide production according to claim 1, characterized in that: A plurality of support legs (16) are vertically fixedly connected to the bottom end of the outer surface of the device tank (1), and a reinforcement rod (17) is transversely fixedly connected between every two adjacent support legs (16).