Collecting tank for sodium hydroxide

By designing the filter layer and vibration device of the sodium hydroxide collection tank, the problems of precipitation and agglomeration during liquid alkali storage are solved, and efficient filtration and cleaning are achieved to ensure the purity and filtration effect of liquid alkali.

CN223082368UActive Publication Date: 2025-07-11WUHAN GUANGJIANGAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421429806.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-07-11
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

In the prior art, liquid alkali is prone to produce precipitates and agglomerations during storage, resulting in clogging of the filter net and making it difficult to ensure filtration efficiency.

Method used

A sodium hydroxide collection tank is designed, including a tank body, a liquid inlet pipe, a liquid outlet pipe, a filter layer, a vibration device and a motor-driven rotary drum system. The liquid impurities are filtered through the filter layer, vibration prevents precipitation, cleans the filter layer, and cleans the filter layer with a decomposition solution.

Benefits of technology

Effectively prevent liquid alkali from precipitation and agglomeration, improve filtration efficiency and life, ensure liquid alkali purity, and avoid clogging of the filter.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sodium hydroxide collection, in particular to a sodium hydroxide collection tank which comprises a tank body, a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are installed on the tank body, a frame pipe is installed on the inner top wall of the tank body, a plurality of water spraying openings are formed in the inner ring side of the frame pipe, and a filtering layer attached to the inner side of the tank body is fixed to the bottom of the frame pipe. A slag discharge pipe extending to the bottom of the tank body is fixed at the bottom of the filter layer, and an electric control valve is mounted on the outer side of the slag discharge pipe. According to the sodium hydroxide collecting tank, when liquid is guided in through the liquid inlet pipe, the liquid is filtered through the filtering layer and then flows into the tank body to be collected, when the liquid needs to be used, the liquid is guided out through the liquid outlet pipe to be used, and when the liquid is not used, the liquid in the tank body is vibrated through the vibration device, so that the liquid cannot precipitate, and the situation that the liquid is caked after being placed for a long time and influences use is avoided; after internal liquid is led out, decomposition liquid is led in through the frame pipe to clean the filtering layer, and the situation that the filtering effect is affected due to secondary collection is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of sodium hydroxide collection, and particularly relates to a collection tank for sodium hydroxide. Background Technique

[0002] Liquid caustic soda is liquid sodium hydroxide, also known as caustic soda and sodium hydroxide. Liquid caustic soda is divided into liquid and solid. The liquid is an aqueous solution of sodium hydroxide with different contents; the solid is white and opaque, often made into tablets, rods, granules, or in a molten state and packaged in an iron barrel; liquid caustic soda is an important basic chemical raw material with extremely wide uses and can be used to manufacture formic acid, synthetic fatty acids, synthetic detergents, etc.

[0003] During the production and processing process, it is necessary to store liquid caustic soda in a storage tank and let it flow out from the storage tank when needed. However, due to the production process of liquid caustic soda or long-term placement and other reasons, some liquid caustic soda will produce precipitates or agglomerate after storage. Most of them adopt the method of installing a filter screen at the liquid outlet of the storage tank to filter the precipitates in the liquid caustic soda, so as to ensure the purity of the liquid caustic soda. However, long-term placement will cause agglomeration, resulting in the filter screen being easily blocked and it is difficult to ensure the filtration efficiency. Content of the Utility Model

[0004] In order to achieve the above object, the utility model provides the following technical solution: A collection tank for sodium hydroxide, including a tank body and a liquid inlet pipe and a liquid outlet pipe installed on the tank body. A pipe rack is installed on the inner top wall of the tank body. A plurality of water spray nozzles are arranged on the inner ring side of the pipe rack. A filter layer that is attached to the inner side of the tank body is fixed at the bottom of the pipe rack. A slag discharge pipe extending to the bottom of the tank body is fixed at the bottom of the filter layer. An electric control valve is installed on the outer side of the slag discharge pipe. A vibration device is installed at the bottom inside the tank body.

[0005] Further, a sleeve is fixed on the inner top wall of the tank body. One end of the liquid inlet pipe is communicated with the sleeve. A rotating cylinder that is communicated is installed at the bottom of the sleeve. A plurality of spray pipes are fixed on the outer side of the rotating cylinder.

[0006] Further, a bearing is fixed at the bottom of the sleeve. The rotating cylinder is fixed inside the bearing and is communicated with the sleeve. A motor is installed on the top of the tank body. The rotating shaft end of the motor extends to the inner bottom wall of the rotating cylinder and is fixed. The number of the spray pipes is two.

[0007] Further, a bearing is fixed on the outer side of the rotating cylinder. An overflow pipe is fixed at the bottom of the bearing. A plurality of overflow holes are arranged on the outer side of the overflow pipe. A plurality of support columns connected to the filter layer are fixed at the bottom of the overflow pipe, and a convex pipe that extends into the slag discharge pipe and penetrates to the outside of the tank body is fixed.

[0008] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0009] When the liquid is introduced into the collection tank of sodium hydroxide through the liquid inlet pipe and flows into the tank after being filtered by the filter layer, when it is needed, it is exported through the liquid outlet pipe for use. When not in use, the liquid inside the tank is vibrated by the vibration device so that the liquid will not precipitate, thus avoiding caking after long-term placement and affecting the use. And after the internal liquid is exported, the decomposition liquid is introduced through the pipe to clean the filter layer to avoid affecting the filtering effect during re-collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present utility model;

[0011] Figure 2 is a three-dimensional sectional view of the present utility model;

[0012] Figure 3 In the present utility model Figure 2 is an enlarged view of part A.

[0013] In the figure: 1, tank body; 2, pipe; 3, filter layer; 5, sleeve; 6, motor; 9, bearing; 10, rotating cylinder; 11, spray pipe; 12, overflow pipe; 13, overflow hole; 14, convex pipe; 15, support column; 16, slag discharge pipe; 17, electric control valve; 18, vibration device; 19, liquid inlet pipe; 20, liquid outlet pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0015] Please refer to Figures 1-3 , a collection tank for sodium hydroxide in this embodiment includes a tank body 1, a liquid inlet pipe 19 installed at the top outside the tank body 1, and a liquid outlet pipe 20 installed at the bottom outside. An inner top wall of the tank body 1 is provided with a pipe 2, and a plurality of water spray nozzles are formed in an inner ring side of the pipe 2, and the water spray nozzles spray liquid obliquely downward. A bottom of the pipe 2 is fixed with a filter layer 3 attached to an inner wall of the tank body 1. A diameter of the filter layer 3 is equal to an inner diameter of the tank body 1. The filter layer 3 is in a funnel shape, and a bottom of the filter layer 3 is fixed with a slag discharge pipe 16 extending to a bottom of the tank body 1. An electric control valve 17 is installed outside the slag discharge pipe 16. A vibration device 18 in a ring shape is installed at a bottom inside the tank body 1, and the vibration device 18 is composed of a vibration box and a vibration piece.

[0016] In the above structure, infusion is completed through the liquid inlet pipe. The filter layer filters the liquid, retaining impurities or lumps on the filter layer, and the liquid will flow into the bottom of the tank for collection. When in use, it is led out through the liquid outlet pipe. After the liquid is emptied, it is connected to the pipe rack through an external liquid guiding device, and the decomposition liquid is poured into the interior to clean the filter layer. By opening the electric control valve, during the flushing process, since the filter layer is funnel-shaped and the impurities will concentrate at the center of the filter layer, they are discharged out of the tank through the slag discharge pipe, which can improve the service life of the filter layer and also avoid affecting the filtering effect of the liquid. When the liquid is stored in the tank, the vibration device operates, the vibration box generates vibrations, and then drives the vibration plate to vibrate in the liquid, which can prevent the liquid from precipitating and caking.

[0017] Among them, in order to improve the filtering effect and efficiency, a sleeve 5 is fixed to the inner top wall of the tank body 1. One end of the liquid inlet pipe 19 is connected to the sleeve 5. A rotating cylinder 10 connected in communication is installed at the bottom of the sleeve 5, and a plurality of spray pipes 11 are fixed to the outer side of the rotating cylinder 10. The liquid is introduced through the liquid inlet pipe and enters the rotating cylinder under the guidance of the sleeve, and then enters the plurality of spray pipes respectively. The spray pipes can divide the liquid into different angles by means of drainage and guide the liquid onto the filter layer to achieve uniformity, thereby improving the filtering effect and efficiency.

[0018] In addition, the filtering effect and efficiency can also be improved. A bearing 9 is fixed to the bottom of the sleeve 5. The rotating cylinder 10 is fixed inside the bearing 9 and is connected to the sleeve 5 in communication. A motor 6 is installed on the top of the tank body 1, and the rotating shaft end of the motor 6 extends to the inner bottom wall of the rotating cylinder 10 for fixation. The number of the spray pipes 11 is two. When the liquid is guided by the liquid inlet pipe, the motor drives the rotating cylinder to rotate, and the liquid is also introduced into the spray pipes through the sleeve and the rotating cylinder. When the rotating cylinder rotates, the spray pipes also rotate accordingly. Therefore, when the spray pipes spray liquid while rotating, they are not restricted by the angle and can evenly spray the liquid onto the filter layer for filtration through the filter layer, so the filtering effect and efficiency can be effectively improved.

[0019] In order to prevent the accumulation of liquid guiding from affecting the blanking efficiency, a bearing 9 is fixed to the outer side of the bottom of the rotating cylinder 10. An overflow pipe 12 is fixed to the bottom of the bearing 9. The overflow pipe 12 is spaced a certain distance from the filter layer 3. A plurality of overflow holes 13 are opened on the outer side of the overflow pipe 12. A plurality of support columns 15 connected to the filter layer 3 are fixed to the bottom of the overflow pipe 12, and a convex pipe 14 extending into the slag discharge pipe 16 and passing through to the outside of the tank body 1 is fixed. The convex pipe 14 is a one-way valve pipe. The support columns and the overflow pipe can support the rotating cylinder, and at the same time, the overflow pipe is spaced a certain distance from the filter layer, which does not affect the slag discharge of the slag discharge pipe. At the same time, when the water level reaches a certain height, the excess liquid is discharged through the overflow holes and the convex pipe.

[0020] The working principle of the above embodiment is as follows:

[0021] The product liquid is introduced through the liquid inlet pipe. The liquid enters the rotating drum through the sleeve. During the injection process, the motor drives the rotating drum to rotate, and at the same time the spray pipe follows the rotation. The liquid in the rotating drum sprays onto the filter layer along the spray pipe, so that impurities in the liquid can be filtered out and stored in the tank body. When not in use, the vibration device operates and vibrates in a circular form inside, so as to avoid the phenomenon of liquid precipitation and caking when not in use. When in use, after the liquid is discharged through the liquid outlet pipe, the decomposition liquid is introduced through the pipe rack, so that the decomposition liquid is evenly sprayed on the filter layer. During the spraying process, the liquid outlet pipe and the slag discharge pipe are opened, so that the impurities on the filter layer and the decomposition liquid are discharged together, completing the cleaning work of the filter layer, improving the service life of the filter layer and avoiding reducing the filtering effect.

[0022] The entire working process is completed, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0023] It should be noted that in this article, relational terms such as first and second are only used 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 term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0024] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A collecting tank for sodium hydroxide, comprising a tank body (1) and a liquid inlet pipe (19) and a liquid outlet pipe (20) installed on the tank body (1), characterized in that: A pipe rack (2) is installed on the inner top wall of the tank body (1). A plurality of water spray nozzles are arranged on the inner ring side of the pipe rack (2). A filter layer (3) that is attached to the inner side of the tank body (1) is fixed to the bottom of the pipe rack (2). A slag discharge pipe (16) that extends to the bottom of the tank body (1) is fixed to the bottom of the filter layer (3). An electric control valve (17) is installed on the outer side of the slag discharge pipe (16). A vibration device (18) is installed at the bottom inside the tank body (1).

2. The collecting tank for sodium hydroxide according to claim 1, characterized in that: A sleeve (5) is fixed to the inner top wall of the tank body (1). One end of the liquid inlet pipe (19) is communicated with the sleeve (5). A rotating cylinder (10) that is communicated is installed at the bottom of the sleeve (5). A plurality of spray pipes (11) are fixed to the outer side of the rotating cylinder (10).

3. The collection tank for sodium hydroxide according to claim 2, wherein: A bearing (9) is fixed to the bottom of the sleeve (5). The rotating cylinder (10) is fixed inside the bearing (9) and is communicated with the sleeve (5). A motor (6) is installed on the top of the tank body (1). The rotating shaft end of the motor (6) extends to the inner bottom wall of the rotating cylinder (10) and is fixed. The number of the spray pipes (11) is two.

4. The collecting tank for sodium hydroxide according to claim 3, characterized in that: A bearing (9) is fixed to the outer side of the rotating cylinder (10). An overflow pipe (12) is fixed to the bottom of the bearing (9). A plurality of overflow holes (13) are arranged on the outer side of the overflow pipe (12). A plurality of support columns (15) that are connected to the filter layer (3) are fixed to the bottom of the overflow pipe (12), and a convex pipe (14) that extends into the slag discharge pipe (16) and penetrates to the outside of the tank body (1) is fixed.