Online cleaning system for reaction kettle

By designing an online cleaning system for reactors, the solvent recycling is achieved using a diaphragm pump and cleaning device, the problems of large solvent usage, high energy consumption and complex operation in the prior art are solved, and rapid and thorough reaction kettle cleaning is achieved, reducing costs and improving safety and cleaning effects.

CN223276875UActive Publication Date: 2025-08-29JIANGSU JIMING PHARMA TECH
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Patent Information

Application Number
CN202422238066.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-12
Publication Date
2025-08-29
Estimated Expiration
2034-09-12

AI Technical Summary

Technical Problem

The existing reactor cleaning technology has problems such as large solvent usage, high energy consumption, large safety hazards, poor cleaning effect and complex operation. Especially, small reactors with many dead corners to clean and need to be disassembled and cleaned, which affects the performance of the equipment.

Method used

A reactor online cleaning system including a diaphragm pump and a cleaning device is designed. By connecting the flange to the reactor flange, the solvent cavity, the spray head and the diaphragm pump are used to realize the circulating cleaning of the solvent. It is equipped with a filter element to filter impurities and uses corrosion-resistant materials to adapt to equipment of different specifications.

Benefits of technology

It realizes rapid and thorough reaction kettle cleaning, reduces solvent usage, reduces production and environmental protection costs, avoids human operation risks, improves work efficiency, is suitable for equipment of different specifications, and ensures the stability of cleaning results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an online cleaning system for a reaction kettle, which belongs to the technical field of cleaning equipment and comprises a diaphragm pump and a cleaning device, the cleaning device comprises a connecting flange and a solvent cavity, the connecting flange is connected with the solvent cavity, the solvent cavity is in threaded connection with a cover body, the cover body is connected with a hose, and the hose is connected with the diaphragm pump. The hose is connected with the diaphragm pump, the diaphragm pump is connected with the lower part of the reaction kettle through the hose, the lower part of the solvent cavity is connected with the feeding pipe, and the feeding pipe is connected with the spraying head, so that the technical problem of high solvent consumption of traditional cleaning equipment is solved, and the reaction kettle cleaning device is mainly applied to the aspect of reaction kettle cleaning.
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Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to an online cleaning system for a reaction kettle. Background Art

[0002] After use, existing reactors are first rinsed with a large amount of solvent and water. After rinsing, they are then immersed in a cleaning solvent and stirred, or a certain proportion of the solvent is heated and refluxed for cleaning. Larger equipment requires manual cleaning by personnel entering the equipment. Smaller equipment requires disassembly for thorough cleaning.

[0003] After the reactor is used, first use a large amount of clean water to rinse the large particles remaining in the reactor. For reactors with larger volumes (≥1000L), the equipment has a larger opening on the head, which allows the equipment to be flushed at a free angle, leaving fewer dead corners.

[0004] For reactors with smaller volumes (less than 1000L), due to the limited size of the openings on the equipment heads, it is impossible to flush the equipment at a free angle, resulting in many residual dead corners. Production equipment is cleaned by solvent immersion and stirring. This solution requires a larger volume of solvent than the volume of the reaction liquid during production. The required amount of solvent is large, which will generate a large amount of waste solvent, increasing environmental and processing costs. In addition, the reactor cover has cleaning dead corners. Alternatively, a certain proportion of solvent can be used for heating and reflux cleaning. This solution will reduce the amount of cleaning solvent used. Generally, 1 / 3 or even less volume of solvent is used, but a large amount of steam is required for heating, which consumes more energy. At the same time, the cleaning effect is lower than that of "solvent immersion and stirring cleaning". At the same time, because the solvent refluxes at high temperature for cleaning, the safety operation risk is greater than that of "solvent immersion and stirring cleaning".

[0005] Thoroughly cleaning the equipment requires personnel to enter and manually scrub it inside larger equipment, which involves operating in a confined space. This operation requires complex safety procedures, long work cycles, and significant safety hazards. Smaller equipment requires disassembly and manual cleaning, which is time-consuming and labor-intensive. After cleaning, the equipment must be reinstalled, potentially adversely affecting its performance. This requires re-verification of performance, which is extremely time-consuming, typically 3-4 days, and poor operability. Utility Model Content

[0006] In order to solve the technical problems mentioned in the background technology, the technical solutions adopted by the present invention are as follows:

[0007] A reactor online cleaning system is characterized in that it includes a diaphragm pump and a cleaning device, the cleaning device includes a connecting flange and a solvent cavity, the connecting flange is used to be connected to the reactor flange, the connecting flange is connected to the solvent cavity, the size and dimensions of the connecting flange can be adjusted accordingly according to the size of the reactor, the solvent cavity is threadedly connected to the cover body, the cover body is connected to the hose, the hose is connected to the diaphragm pump, the diaphragm pump is connected to the lower part of the reactor through the hose, the lower part of the solvent cavity is connected to the feed pipe, and the feed pipe is connected to the spray head.

[0008] Preferably: in order to achieve a better cleaning effect, by filtering impurities in the solvent, a partition is provided inside the solvent cavity, the partition is used to support the filter element, a leakage hole is provided on the partition, and the filter element is placed on the partition, the filter element is used to filter impurities in the solvent, and the filter element needs to be cleaned once each cleaning.

[0009] Preferably, in order to achieve the purpose of maintaining long-term use of the device, the solvent cavity and the cover are made of corrosion-resistant materials.

[0010] Technical effects and advantages of this utility model:

[0011] By adding an online cleaning system, the reactor can be quickly cleaned. In actual application, the solvent can be recycled to reduce the use of washing solvent, thereby reducing production and environmental protection costs.

[0012] It can thoroughly clean the blind spots of the equipment. For small volumes, there is no need to dismantle the equipment, saving labor time and avoiding unnecessary damage to the equipment. For large volumes, there is no need for personnel to enter the equipment, reducing safety hazards, improving work efficiency and saving labor time.

[0013] The utility model can be disassembled and moved, and can be applied to equipment of different specifications by configuring different flange interfaces, thereby achieving "one machine with multiple uses", improving use efficiency and reducing use costs.

[0014] Reduce the difference in cleaning effects caused by manual operation due to differences in personnel quality and skills. The use of this device can fix the cleaning parameters, ensure the cleaning effect is continuous and stable, and can well reproduce the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a diagram of the use state of the utility model;

[0016] Figure 2 This is the internal structure diagram of the utility model.

[0017] Legend: 1. Reactor; 2. Support legs; 3. Reactor flange; 4. Cleaning device; 4-1. Spray head; 4-2. Feed pipe; 4-3. Connecting flange; 4-4. Filter element; 4-5. Cover; 4-6. Partition; 4-7. Leakage hole; 4-8. Solvent chamber; 5. Hose; 6. Diaphragm pump. DETAILED DESCRIPTION

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show components related to the present invention.

[0019] Example 1

[0020] like Figure 1 、 Figure 2 As shown:

[0021] A reactor online cleaning system includes a diaphragm pump 6 connecting flange 4-3, the connecting flange 4-3 is connected to a solvent cavity 4-8, the solvent cavity 4-8 is threadedly connected to a cover 4-5, the cover 4-5 is connected to a hose 5, the hose 5 is connected to a diaphragm pump 6, the diaphragm pump 6 is connected to the lower part of the reactor 1 through the hose 5, the lower part of the solvent cavity 4-8 is connected to a feed pipe 4-2, the feed pipe 4-2 is connected to a spray head 4-1, a partition 4-6 is provided inside the solvent cavity 4-8, a liquid leakage hole 4-7 is provided on the partition 4-6, a filter element 4-4 is placed on the partition 4-6, the filter element is used to filter impurities in the solvent, the solvent cavity 4-8 and the cover 4-5 are made of corrosion-resistant materials, and the working principle of the utility model is as follows:

[0022] Reactor flushing: Install the washing device 4 at the solid feeding port on the reactor cover, connect it to the outlet of the diaphragm pump 5 using a metal hose 5, connect the inlet of the diaphragm pump 5 to the purified water bucket using a metal hose 5, and start the diaphragm pump to flush the reactor according to the process requirements.

[0023] Reactor online cleaning: Add a specified amount of cleaning solvent to reactor 1, connect the inlet metal hose 5 of diaphragm pump 5 to the bottom valve of the reactor, and start diaphragm pump 5 to circulate and clean reactor 1. Stop the pump and drain the waste liquid after the cycle reaches the cleaning standard. After each cleaning, open the cover 4-5 and clean the filter element 4-4 to prepare for the next use.

[0024] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. 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 reactor online cleaning system, characterized in that: The invention comprises a diaphragm pump (6) and a cleaning device (4), wherein the cleaning device (4) comprises a connecting flange (4-3) and a solvent cavity (4-8), wherein the connecting flange (4-3) is connected to the solvent cavity (4-8), wherein the solvent cavity (4-8) is threadedly connected to a cover (4-5), wherein the cover (4-5) is connected to a hose (5), wherein the hose (5) is connected to the diaphragm pump (6), wherein the diaphragm pump (6) is connected to the lower part of the reaction kettle (1) via the hose (5), wherein the lower part of the solvent cavity (4-8) is connected to a feed pipe (4-2), and wherein the feed pipe (4-2) is connected to a spray head (4-1).

2. The online cleaning system for a reactor according to claim 1, characterized in that: A partition (4-6) is provided inside the solvent cavity (4-8), a leakage hole (4-7) is provided on the partition (4-6), and a filter element (4-4) is placed on the partition (4-6), and the filter element is used to filter impurities in the solvent.

3. The online cleaning system for a reactor according to claim 1, characterized in that: The solvent cavity (4-8) and the cover (4-5) are made of corrosion-resistant materials.