Recovered brine storage tank for sodium hydroxide solution production

Abstract

The utility model relates to a recovered saline water storage tank for sodium hydroxide solution production, which belongs to the technical field of sodium hydroxide solution production and comprises a saline water storage tank and a sealing cover plate arranged at the top of the saline water storage tank. A filtering structure which extends to the front surface of the saline water storage tank and is used for filtering saline water is arranged in the saline water storage tank. According to the recovered saline water storage tank for sodium hydroxide solution production, saline water in the lower half part of the interior of the saline water storage tank can be filtered by arranging a first filter screen, so that the saline water collected by a worker from a discharging pipe does not contain any redundant sediment, the sealing performance of the saline water storage tank can be improved by arranging a mounting plate and a sealing gasket, and the service life of the saline water storage tank is prolonged. And meanwhile, a worker can conveniently take out the first filter screen and clean the first filter screen, then a second filter screen is arranged, when saline water is added into the saline water storage tank, the saline water can be filtered for the first time, and the filtering effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium hydroxide solution production, in particular to a saline recovery storage tank for sodium hydroxide solution production. Background Art

[0002] Liquid caustic soda is a type of sodium hydroxide, that is, liquid sodium hydroxide. Pure liquid caustic soda is called liquid caustic soda, which is a colorless and transparent liquid. It is an important basic chemical raw material with a wide range of uses. In the chemical industry, it is used to make formic acid, oxalic acid, borax, phenol, sodium cyanide, soap, synthetic fatty acids, synthetic detergents, etc. In the textile printing and dyeing industry, it is used as a desizing agent, scouring agent, mercerizing agent, and solvent for vat dyes and Haichang blue dyes for cotton cloth. In the smelting industry, it is used to make aluminum hydroxide, aluminum oxide, and metal surface treatment agents.

[0003] In the production process of sodium hydroxide solution, a saline storage tank is needed to be recovered. The Chinese utility model patent with the announcement number CN219540032U discloses a saline storage tank with a stirring function, including a saline storage tank body, a stirring mechanism, a control mechanism and a feeding and discharging mechanism. The stirring mechanism is located at the top of the saline storage tank body, the control mechanism is located at the left end of the saline storage tank body, the feeding and discharging mechanism is located at the top of the saline storage tank body, the stirring mechanism includes a motor, a first stirring rod, a gear one, a chain one, a gear two, a second stirring rod, a gear three, a chain two, a gear four and a third stirring rod, and the motor is fixedly installed at the top of the saline storage tank body. The utility model is equipped with a stirring mechanism, and the liquid inside the saline storage tank body is stirred by rotating the third stirring rod, the second stirring rod and the first stirring rod at the same time, so that the solid salt inside the saline storage tank body is fully mixed with the water liquid to become saline, which is convenient for users to prepare saline of different concentrations.

[0004] However, during the use of the utility model, due to the long-term storage of brine or the addition of solid salt, excess sediment may appear inside it, and then when the staff discharges the brine, additional filtration is required, which cannot meet the production needs. Therefore, a saline recovery storage tank for sodium hydroxide solution production is proposed to solve the above-mentioned problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a saline recovery tank for sodium hydroxide solution production, which has the advantage of being easy to filter the brine, and solves the problem that when the brine is stored for a long time or when solid salt is added, excess sediment may appear inside it, and additional filtration is required when the staff discharges the brine, which cannot meet the production needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a saline storage tank for sodium hydroxide solution production, comprising a saline storage tank and a sealing cover plate arranged on the top of the saline storage tank, wherein the interior of the saline storage tank is provided with a filtering structure extending to the front thereof to filter the saline;

[0007] The filtering structure includes a mounting plate arranged on the front side of the brine storage tank and extending into the interior thereof, a mounting frame extending into the interior of the brine storage tank is fixedly connected to the back side of the mounting plate, a first filter screen is fixedly connected to the interior of the mounting frame, a rotating shaft is rotatably connected to the inner top wall of the sealing cover plate, a fixing frame is arranged outside the rotating shaft, and a second filter screen is fixedly connected between the fixing frame and the rotating shaft.

[0008] Furthermore, a sealing gasket is fixedly connected to the back side of the mounting plate, the sealing gasket is in contact with the inner wall of the salt water storage tank, and the second filter screen is rotatably connected to the rotating shaft.

[0009] Furthermore, the left and right sides of the installation frame are fixedly connected with sliding blocks extending into the interior of the salt water storage tank, and the inner wall of the salt water storage tank is provided with sliding grooves adapted to the sliding blocks.

[0010] Furthermore, the left and right sides of the fixing frame are fixedly connected with positioning slide blocks extending into the interior of the salt water storage tank, and the inner wall of the salt water storage tank is provided with positioning grooves extending to the upper surface thereof and matching with the slide blocks.

[0011] Furthermore, a driving motor is fixedly mounted on the top of the sealing cover plate, an output shaft of the driving motor is fixedly connected to a rotating shaft, and a stirring rod is fixedly mounted on the outside of the rotating shaft.

[0012] Furthermore, a feed pipe communicating with the interior of the brine storage tank is fixedly connected to the top of the sealing cover plate, and a liquid outlet pipe communicating with the interior of the brine storage tank is fixedly connected to one side of the brine storage tank.

[0013] Furthermore, a guide plate is fixedly connected to the inner bottom wall of the salt water storage tank, and a liquid level sensor is fixedly installed on the inner wall of the salt water storage tank.

[0014] Furthermore, a mounting block is fixedly connected to one side of the brine storage tank and the sealing cover plate, and a fixing bolt is threadedly connected to the top of the mounting block and passes through the mounting block.

[0015] Compared with the prior art, the utility model provides a saline recovery tank for sodium hydroxide solution production, which has the following beneficial effects:

[0016] 1. The saline recovery tank for sodium hydroxide solution production can filter the saline in the lower half of the saline tank by setting a first filter, so that the saline collected by the staff from the discharge pipe does not contain any excess sediment. The installation plate and the sealing gasket can improve the sealing of the saline tank, and it is convenient for the staff to take out the first filter and clean it. The second filter can be set to filter the saline for the first time when adding saline into the saline tank, thereby improving the filtering effect.

[0017] 2. The recovered brine storage tank for the production of sodium hydroxide solution is provided with a driving motor to drive the rotating shaft to rotate, and then the rotating shaft drives the stirring rod to rotate, so as to facilitate the stirring of the brine and make it fully mixed, thereby solving the problem that when the brine is stored for a long time or when solid salt is added, excess sediment may appear inside, and then when the staff discharges the brine, additional filtration is required, which cannot meet the production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0019] Figure 2 It is a structural stereogram of the installation frame of the utility model;

[0020] Figure 3 This is a top view of the structure of the second filter screen of the utility model;

[0021] Figure 4 It is a three-dimensional diagram of the structure of the utility model.

[0022] In the figure: 1 brine storage tank, 2 sealing cover plate, 3 mounting plate, 4 mounting frame, 5 first filter screen, 6 sealing gasket, 7 rotating shaft, 8 fixing frame, 9 second filter screen, 10 positioning slider, 11 driving motor, 12 stirring rod, 13 feeding pipe, 14 discharging pipe, 15 guide plate, 16 liquid level sensor, 17 fixing block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] See also Figures 1 to 4A saline recovery tank for sodium hydroxide solution production in this embodiment includes a saline tank 1 and a sealing cover plate 2 arranged on the top of the saline tank 1. The interior of the saline tank 1 is provided with a filtering structure extending to the front thereof to filter the saline. The filtering structure includes a mounting plate 3 arranged on the front of the saline tank 1 and extending to the interior thereof. The back of the mounting plate 3 is fixedly connected with a mounting frame 4 extending to the interior of the saline tank 1. The interior of the mounting frame 4 is fixedly connected with a first filter screen 5. A rotating shaft 7 is rotatably connected to the inner top wall of the sealing cover plate 2. A fixing frame 8 is arranged outside the rotating shaft 7. A second filter screen 9 is fixedly connected between the fixing frame 8 and the rotating shaft 7.

[0026] Among them, a sealing gasket 6 is fixedly connected to the back of the mounting plate 3, the sealing gasket 6 fits against the inner wall of the brine storage tank 1, the second filter screen 9 is rotatably connected to the rotating shaft 7, and the left and right sides of the mounting frame 4 are fixedly connected with sliders extending into the interior of the brine storage tank 1, and a slide groove adapted to the slider is opened on the inner wall of the brine storage tank 1.

[0027] It should be noted that the left and right sides of the fixed frame 8 are fixedly connected with positioning sliders 10 extending into the interior of the brine storage tank 1, and the inner wall of the brine storage tank 1 is provided with positioning grooves extending to its upper surface and adapted to the sliders 10. By setting the positioning sliders 10 and the positioning grooves, the second filter plate 9 can be positioned so that it can only be located in the upper half of the interior of the brine storage tank 1.

[0028] In this embodiment, a feed pipe 13 connected to the interior of the brine storage tank 1 is fixedly connected to the top of the sealing cover plate 2, a liquid outlet pipe 14 connected to the interior of the brine storage tank 1 is fixedly connected to one side of the brine storage tank 1, a guide plate 15 is fixedly connected to the inner bottom wall of the brine storage tank 1, and a liquid level sensor 16 is fixedly installed on the inner wall of the brine storage tank 1.

[0029] Among them, a controller is fixedly installed on the front of the salt water storage tank 1, and the controller is connected to the liquid level sensor 16 by signal, so as to monitor the amount of salt water inside the salt water storage tank 1 in real time.

[0030] In this embodiment, a mounting block 17 is fixedly connected to one side of the brine storage tank 1 and the sealing cover plate 2. A fixing bolt passes through the top of the mounting block 17 through a thread. A sealing ring is fixedly connected to the side of the sealing cover plate 2 close to the brine storage tank 1.

[0031] Embodiment 2:

[0032] See also Figure 1 On the basis of the first embodiment, it includes a driving motor 11 fixedly mounted on the top of the sealing cover plate 2, the output shaft of the driving motor 11 is fixedly connected to the rotating shaft 7, and a stirring rod 12 is fixedly mounted on the outside of the rotating shaft 7.

[0033] In this embodiment, a bearing matched with the rotating shaft 7 is fixedly mounted on the inner top wall of the sealing cover plate 2 .

[0034] By adopting the above technical solution, the driving motor 11 is provided to drive the rotating shaft 7 to rotate, and the rotating shaft 7 then drives the stirring rod 12 to rotate, so that the salt water can be stirred and fully mixed.

[0035] The working principle of the above embodiment is:

[0036] First, pour the brine into the brine storage tank 1 from the feed port 13. At this time, the second filter screen 9 will filter the brine once. At the same time, after the brine enters the brine storage tank 1, the first filter screen 5 will filter it twice. Then, start the drive motor 11 to drive the stirring rod 12 to rotate. When the brine in the brine storage tank 1 is used up, take out the installation frame 4, clean the first filter screen 5, and remove the cover plate 2 together with the second filter plate 9, and clean them as well.

[0037] The electrical components appearing in the article are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device for control such as a computer, and the existing public power connection technology is not described in detail in the article.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A saline recovery tank for producing sodium hydroxide solution, comprising a saline storage tank (1) and a sealing cover plate (2) arranged on the top of the saline storage tank (1), characterized in that: The salt water storage tank (1) is provided with a filtering structure extending to the front side thereof to filter the salt water; The filtering structure comprises a mounting plate (3) arranged on the front of the salt water storage tank (1) and extending into the interior thereof, a mounting frame (4) extending into the interior of the salt water storage tank (1) being fixedly connected to the back of the mounting plate (3), a first filter screen (5) being fixedly connected to the interior of the mounting frame (4), a rotating shaft (7) being rotatably connected to the inner top wall of the sealing cover plate (2), a fixing frame (8) being arranged outside the rotating shaft (7), and a second filter screen (9) being fixedly connected between the fixing frame (8) and the rotating shaft (7).

2. A sodium hydroxide solution production recovery brine storage tank according to claim 1, characterized in that: A sealing gasket (6) is fixedly connected to the back of the mounting plate (3), the sealing gasket (6) is in contact with the inner wall of the salt water storage tank (1), and the second filter screen (9) is rotatably connected to the rotating shaft (7).

3. A sodium hydroxide solution production recovery brine storage tank according to claim 1, characterized in that: Slide blocks extending into the interior of the salt water storage tank (1) are fixedly connected to the left and right sides of the installation frame (4), and a sliding groove matching the slide blocks is provided on the inner wall of the salt water storage tank (1).

4. A sodium hydroxide solution production recovery brine storage tank according to claim 1, characterized in that: The left and right sides of the fixed frame (8) are fixedly connected with positioning slide blocks (10) extending into the interior of the salt water storage tank (1), and the inner wall of the salt water storage tank (1) is provided with positioning grooves extending to the upper surface thereof and matching with the slide blocks (10).

5. A sodium hydroxide solution production recovery brine storage tank according to claim 1, characterized in that: A driving motor (11) is fixedly mounted on the top of the sealing cover plate (2); an output shaft of the driving motor (11) is fixedly connected to a rotating shaft (7); and a stirring rod (12) is fixedly mounted on the outside of the rotating shaft (7).

6. A sodium hydroxide solution production recovery brine storage tank according to claim 1, characterized in that: A feed pipe (13) communicating with the interior of the salt water storage tank (1) is fixedly connected to the top of the sealing cover plate (2), and a liquid outlet pipe (14) communicating with the interior of the salt water storage tank (1) is fixedly connected to one side of the salt water storage tank (1).

7. A sodium hydroxide solution production recovery brine storage tank according to claim 1, characterized in that: A guide plate (15) is fixedly connected to the inner bottom wall of the salt water storage tank (1), and a liquid level sensor (16) is fixedly installed on the inner wall of the salt water storage tank (1).

8. A sodium hydroxide solution production recovery brine storage tank according to claim 1, characterized in that: The salt water storage tank (1) and one side of the sealing cover plate (2) are both fixedly connected with a mounting block (17), and the top of the mounting block (17) is threadedly connected with a fixing bolt passing through it.

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