Sodium pyrosulfite production wastewater treatment equipment

Abstract

The utility model discloses sodium pyrosulfite production wastewater treatment equipment which comprises a wastewater treatment box, a filter plate, a first partition plate and a second partition plate are sequentially and transversely mounted in the wastewater treatment box, an anti-blocking assembly is arranged in the wastewater treatment box, a stirring and mixing assembly is arranged in the wastewater treatment box, and a water inlet and a water outlet are formed in the wastewater treatment box. A water discharging opening is transversely formed in the position, close to the top, of the side wall of the wastewater treatment box, and an injection opening is transversely formed in the bottom of the side, away from the water discharging opening, of the side wall of the wastewater treatment box. A motor is started to drive a stirring rod to rotate, and in the rotating process of the stirring rod, the bottoms of a filter plate, a first partition plate and a second partition plate are cleaned through a plurality of scrapers transversely installed on the side wall of the stirring rod, so that blockage is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium pyrosulfite production wastewater treatment equipment, in particular to sodium pyrosulfite production wastewater treatment equipment. Background Art

[0002] Sodium sulfite is a common sulfite, monoclinic crystal or powder, which is irritating to the eyes, skin, and mucous membranes, can pollute water sources, and produce toxic sulfide fumes when decomposed by high heat. Sodium metabisulfite is a white or yellow crystalline powder or small crystals with a strong smell of sulfur dioxide. Sodium metabisulfite has a wide range of biological uses in industry. It can be used for the purification of chloroform, coagulant, deoxidizer, mordant, and is widely used in pharmaceutical technology, rubber preparation, printing and dyeing industry, leather making, and many chemical production processes.

[0003] The Chinese patent with the publication number of CN212246640U discloses an industrial wastewater treatment equipment, which belongs to the technical field of wastewater treatment equipment. The industrial wastewater treatment equipment comprises a shell, a support is welded on the outer wall of the bottom of the shell, a water inlet is welded on the outer wall of the top of the shell, a stirring mechanism is arranged on the top of the shell, an aeration mechanism is arranged on the bottom of the stirring mechanism, a hydrolysis acidification mechanism is arranged on the bottom of the aeration mechanism, a drainage mechanism is arranged on the bottom of the hydrolysis acidification mechanism, a dredging mechanism is arranged on the bottom of the shell, the stirring mechanism comprises a filter screen, a stirring blade, a rotating shaft, and a motor, the aeration mechanism comprises a first baffle, an air pump and an air jet hole, and the hydrolysis acidification mechanism comprises a second baffle, a liquid injection port, and a hydrolysis acidification solution tank. The utility model produces a centrifugal effect on the wastewater through stirring, and fills it into the treatment equipment through the air jet hole, thereby increasing the contact area between the wastewater and the gas, and dissipating the volatile substances in the wastewater during the oxygen dissolution process.

[0004] However, the above patent has the following shortcomings: the above patent filters the sewage layer by layer through the filter net, the first partition, the second partition and the third partition, but the filter net, the first partition, the second partition and the third partition will be blocked during long-term use, so they need to be cleaned. Utility Model Content

[0005] The utility model aims to provide a sodium pyrosulfite production wastewater treatment device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sodium metabisulfite production wastewater treatment equipment, comprising a wastewater treatment box, a filter plate, a first baffle and a second baffle are sequentially installed in the wastewater treatment box, an anti-blocking component is arranged in the wastewater treatment box, a stirring and mixing component is arranged in the wastewater treatment box, a drain port is installed in the side wall of the wastewater treatment box near the top, and an injection port is installed in the side of the wastewater treatment box away from the drain port.

[0007] The anti-blocking component comprises a motor, a stirring blade and a stirring rod. The stirring rod is vertically rotatably installed in the wastewater treatment box, and a plurality of scrapers are horizontally installed on the outer side of the stirring rod.

[0008] By adopting the above technical solution, the bottoms of the filter plate, the first partition plate and the second partition plate can be continuously cleaned to prevent them from being blocked during use.

[0009] As a further solution of the utility model: the stirring and mixing assembly includes stirring blades, and multiple groups of stirring blades are horizontally installed on the outer side of the stirring rod, and the stirring blades are sequentially located on the top of the filter plate, the first partition plate and the second partition plate.

[0010] By adopting the above technical solution, the injected liquid is stirred, the contact area between the wastewater and the gas is increased, and the dissolved gas and volatile substances in the wastewater are dispersed during the oxygen dissolution process.

[0011] As a further solution of the utility model: a cleaning sewage outlet is installed laterally on the side of the outside of the wastewater treatment box away from the injection port, and a cleaning water inlet is installed on the side of the outside of the wastewater treatment box away from the drain port.

[0012] By adopting the above technical solution, flushing of the filter plate, the first partition plate and the top of the second partition plate is achieved.

[0013] As a further solution of the utility model: the top of the first partition is located on both sides of the stirring rod and is vertically penetrated by a rectangular opening, and the top of the filter plate is vertically penetrated by a plurality of strip holes.

[0014] By adopting the above technical solution, the sewage is first filtered through the strip holes.

[0015] As a further solution of the utility model: an air pump is installed outside the wastewater treatment box, and the output end of the air pump is connected to the wastewater treatment box.

[0016] By adopting the above technical solution, air is continuously injected into the wastewater treatment box through the air pump, thereby increasing the oxygen content in the wastewater treatment box.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the sodium pyrosulfite production wastewater treatment equipment,

[0018] A motor, a stirring blade and a stirring rod are provided. When the filter plate, the first partition plate and the second partition plate bottom are subjected to anti-blocking treatment, the stirring rod is driven to rotate by starting the motor. During the rotation of the stirring rod, multiple scrapers installed laterally on the side wall of the stirring rod are used to clean the filter plate, the first partition plate and the second partition bottom respectively to prevent them from being blocked.

[0019] In addition, the sodium metabisulfite production wastewater treatment equipment is also provided with a cleaning water inlet and a cleaning sewage outlet. When it is necessary to discharge the dirt and impurities accumulated in the wastewater treatment tank for a long time, the drainage outlet and the injection port are closed, and then clean water is injected into the wastewater treatment tank through the cleaning water inlet, and the stirring blade and the scraper are driven by starting the motor. At the same time, the cleaning sewage outlet is opened to discharge the cleaned sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the filter plate, the first partition plate and the second partition plate of the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the stirring rod, stirring blade and scraper structure.

[0023] In the figure: 1. Wastewater treatment box; 2. Filter plate; 3. First partition; 4. Second partition; 5. Motor; 6. Stirring blade; 7. Scraper; 8. Rectangular opening; 9. Strip hole; 10. Air pump; 11. Drain outlet; 12. Cleaning drain outlet; 13. Injection port; 14. Cleaning water inlet; 15. Stirring rod. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-3The utility model provides a technical solution: a sodium metabisulfite production wastewater treatment device, comprising a wastewater treatment box 1, a filter plate 2, a first baffle 3 and a second baffle 4 are sequentially installed in the wastewater treatment box 1, an anti-blocking component is arranged in the wastewater treatment box 1, a stirring and mixing component is arranged in the wastewater treatment box 1, a drain port 11 is installed in the side wall of the wastewater treatment box 1 near the top, and an injection port 13 is installed in the side of the wastewater treatment box 1 away from the drain port 11.

[0026] The anti-blocking assembly includes a motor 5, a stirring blade 6 and a stirring rod 15. The stirring rod 15 is vertically rotatably installed in the wastewater treatment box 1, and a plurality of scrapers 7 are horizontally installed on the outside of the stirring rod 15.

[0027] Specifically, when the bottom of the filter plate 2, the first partition plate 3 and the second partition plate 4 are subjected to anti-blocking treatment, the stirring rod 15 is driven to rotate by starting the motor 5. During the rotation of the stirring rod 15, multiple scrapers 7 installed laterally on the side wall of the stirring rod 15 are used to clean the bottom of the filter plate 2, the first partition plate 3 and the second partition plate 4 respectively to prevent them from being blocked.

[0028] Furthermore, the stirring and mixing assembly includes stirring blades 6, and multiple groups of stirring blades 6 are laterally installed on the outer side of the stirring rod 15, and the stirring blades 6 are sequentially located on the top of the filter plate 2, the first partition plate 3 and the second partition plate 4;

[0029] Specifically, when it is necessary to discharge the dirt and impurities accumulated in the wastewater treatment tank 1 for a long time, the drain port 11 and the injection port 13 are closed, and then clean water is injected into the wastewater treatment tank 1 through the cleaning water inlet 14, and the stirring blade 6 and the scraper 7 are driven by starting the motor 5. At the same time, the cleaning sewage outlet 12 is opened to discharge the cleaned sewage.

[0030] Furthermore, a cleaning sewage outlet 12 is transversely installed on the side of the wastewater treatment box 1 away from the injection port 13, and a cleaning water inlet 14 is installed on the side of the wastewater treatment box 1 away from the drain port 11;

[0031] Specifically, when it is necessary to discharge the dirt and impurities accumulated in the wastewater treatment tank 1 for a long time, the drain port 11 and the injection port 13 are closed, and then clean water is injected into the wastewater treatment tank 1 through the cleaning water inlet 14, and the stirring blade 6 and the scraper 7 are driven by starting the motor 5. At the same time, the cleaning sewage outlet 12 is opened to discharge the cleaned sewage.

[0032] Furthermore, a rectangular opening 8 is vertically penetrated at the top of the first partition plate 3 on both sides of the stirring rod 15, and a plurality of strip-shaped holes 9 are vertically penetrated at the top of the filter plate 2;

[0033] Specifically, the larger impurities are filtered first through the strip holes 9 opened on the second partition plate 4, and then the sewage enters the filter plate 2 through the rectangular opening 8 for the second filtration.

[0034] Furthermore, an air pump 10 is installed outside the wastewater treatment tank 1, and the output end of the air pump 10 is connected to the wastewater treatment tank 1;

[0035] Specifically, by starting to inject air from the outside of the wastewater treatment box 1 into the wastewater treatment box 1, and connecting the air pump 10 with the exhaust hole installed in the wastewater treatment box 1, the contact area between the wastewater and the gas can be increased, and the dissolved gas and volatile substances in the wastewater can be dispersed during the oxygen dissolution process.

[0036] Working principle: When using the sodium metabisulfite production wastewater treatment equipment, the raw sewage is injected into the wastewater treatment box 1 through the injection port 13, and then filtered for the first time through the strip hole 9, and then the water is separated and treated through the rectangular port 8. The air pump 10 is connected to the exhaust hole installed in the wastewater treatment box 1 to increase the contact area between the wastewater and the gas. At the same time, the motor 5 is started to drive the stirring rod 15 to rotate. During the rotation of the stirring rod 15, multiple scrapers 7 installed laterally on the side wall of the stirring rod 15 are used to clean the bottom of the filter plate 2, the first partition plate 3 and the second partition plate 4 respectively to prevent them from being blocked. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0037] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sodium metabisulfite production wastewater treatment plant, comprising a wastewater treatment tank (1), characterized in that: The wastewater treatment box (1) is provided with a filter plate (2), a first partition plate (3) and a second partition plate (4) in sequence and transversely mounted therein, and an anti-blocking component is provided in the wastewater treatment box (1), and a stirring and mixing component is provided in the wastewater treatment box (1), a drainage port (11) is transversely mounted near the top of the side wall of the wastewater treatment box (1), and an injection port (13) is transversely mounted at the bottom of the side wall of the wastewater treatment box (1) away from the drainage port (11); The anti-blocking component comprises a motor (5), a stirring blade (6) and a stirring rod (15); the stirring rod (15) is vertically rotatably installed in the wastewater treatment box (1), and a plurality of scrapers (7) are horizontally installed on the outside of the stirring rod (15).

2. A sodium metabisulfite production wastewater treatment equipment according to claim 1, characterized in that: The stirring and mixing assembly comprises stirring blades (6), and a plurality of groups of stirring blades (6) are laterally installed on the outer side of the stirring rod (15), and the stirring blades (6) are sequentially located on the top of the filter plate (2), the first partition plate (3) and the second partition plate (4).

3. A sodium metabisulfite production wastewater treatment equipment according to claim 1, characterized in that: A cleaning sewage outlet (12) is transversely installed on the side of the wastewater treatment box (1) away from the injection port (13), and a cleaning water inlet (14) is installed on the side of the wastewater treatment box (1) away from the drainage port (11).

4. A sodium metabisulfite production wastewater treatment equipment according to claim 1, characterized in that: The top of the first partition plate (3) is provided with a rectangular opening (8) vertically penetrating both sides of the stirring rod (15), and the top of the filter plate (2) is provided with a plurality of strip-shaped holes (9) vertically penetrating therethrough.

5. A sodium metabisulfite production wastewater treatment equipment according to claim 1, characterized in that: An air pump (10) is installed outside the wastewater treatment box (1), and the output end of the air pump (10) is connected to the inside of the wastewater treatment box (1).

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