Mixing device for wastewater treatment

Abstract

The utility model discloses a mixing device for wastewater treatment, which comprises a base, stand columns are arranged above the base, a mixing box shell is arranged between the two stand columns, fixing blocks are arranged on the two sides of the mixing box shell, a mixing box main body is arranged in the mixing box shell, and the mixing box main body is arranged in the mixing box shell. A drain valve assembly is arranged at the lower end of the mixing box main body, a box cover plate is arranged above the mixing box shell, a water adding pipe assembly and a feeding pipe assembly are arranged at the upper end of the box cover plate, a gear motor is arranged above the box cover plate, and a stirring paddle is arranged in the mixing box main body. According to the mixing device, the gear motor drives the stirring paddle to rotate, the rotating stirring paddle stirs waste water and accelerates mixing of the waste water and a reagent, hot water is used for heating the mixing box main body, the mixing temperature is increased, the reagent activity is improved through temperature increase, and the waste water mixing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a mixing device for wastewater treatment. Background Art

[0002] Wastewater refers to the collective term for water discharged from residential activities and runoff rainwater. It includes domestic sewage, industrial wastewater, and other unused water such as initial rainwater runoff into drainage channels. It generally refers to water that is unused or has no value. Wastewater treatment utilizes physical, chemical, and biological methods to treat wastewater, purify it, reduce pollution, and achieve wastewater recovery and reuse, thereby fully utilizing water resources. Common wastewater treatment agents include flocculants, coagulants, and conditioners. Treatment technologies include pretreatment, novel fillers, and ceramic membranes. Flocculants must be mixed with wastewater during treatment.

[0003] The Chinese patent announcement number is CN216367655U, and the authorization announcement date is April 26, 2022. A mixing device for wastewater treatment includes a base, a first support frame, a second support frame, a rotating assembly and a stirring device and other components. The stirring device is rotatably connected to the second support frame, and the rotating assembly is used to drive the stirring device to swing. A movable space for the stirring device to swing is formed between the first support frame, the second support frame and the base; during use, the mixing device for wastewater treatment of the utility model can drive the mixing device to swing by setting structures such as a rotating assembly. Therefore, the wastewater close to the stirring device can be stirred, and the pollutants away from the stirring device and located at the bottom of the wastewater mixing device can also be stirred. The wastewater can be fully mixed and will not affect the purification effect of the wastewater.

[0004] The existing mixing device uses a mechanical stirring structure to stir the wastewater to accelerate mixing. The reagents added by the room temperature mixing method have poor activity, the reaction speed between the wastewater and the reagents is slow, the wastewater mixing effect is poor, the wastewater treatment efficiency is reduced, and it cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a mixing device for wastewater treatment, so as to solve the problem in the above background technology that the existing mixing device stirs the wastewater by a mechanical stirring structure to accelerate mixing, the reagent added by the room temperature mixing method has poor activity, the reaction speed between the wastewater and the reagent is slow, the wastewater mixing effect is poor, the wastewater treatment efficiency is reduced, and it cannot meet the use requirements.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mixing device for wastewater treatment, comprising a base, a column is provided above the base, two columns are provided, and the columns are fixedly connected to the base, a mixing box shell is provided between the two columns, and the mixing box shell is provided above the base, fixed blocks are provided on both sides of the mixing box shell, and the fixed blocks are welded to the columns and the mixing box shell as a whole, a mixing box body is provided inside the mixing box shell, and the mixing box body is connected to the mixing box shell as a whole, and the lower end of the mixing box body is provided There is a drain valve assembly, and the drain valve assembly is connected to the mixing box body as a whole. A box cover is provided above the mixing box shell, and the box cover is clamped with the mixing box shell. A water adding pipe assembly and a feeding pipe assembly are provided at the upper end of the box cover, and the water adding pipe assembly and the feeding pipe assembly are integrated with the box cover. A reduction motor is provided above the box cover, and the reduction motor is connected to the box cover by screws. A stirring paddle is provided inside the mixing box body, and one end of the stirring paddle is connected to the output end of the reduction motor. The stirring paddle is rotatably connected to the box cover and the mixing box body.

[0007] Preferably, a heating chamber is provided between the mixing box body and the mixing box shell, and a water inlet valve and a drain valve are provided on one side of the lower end of the mixing box shell, and the water inlet valve and the drain valve are connected to the mixing box shell as a whole, and the water inlet valve and the drain valve are connected to the heating chamber.

[0008] Preferably, a temperature sensor is provided at the lower end of the mixing box body, and the temperature sensor is connected to the mixing box body as a whole, and the temperature sensor is provided on one side of the drain valve assembly.

[0009] Preferably, scraping plates are provided on both sides of the stirring paddle, at least four scraping plates are provided, and the scraping plates are fixedly connected to the stirring paddle, and the scraping plates are staggered on both sides of the stirring paddle.

[0010] Preferably, a discharge plate is provided at the lower end of the stirring paddle, and the discharge plate is fixedly connected to the stirring paddle, and the discharge plate is provided inside the drain valve assembly.

[0011] Preferably, connecting plates are provided on both sides of the box cover plate, two connecting plates are provided, and the connecting plates are fixedly connected to the box cover plate, the two connecting plates are provided above the column, an electric push rod is provided inside the column, and the electric push rod is connected to the column by screws, and the telescopic end of the electric push rod is fixedly connected to the connecting plate.

[0012] Preferably, an anti-skid shock-absorbing pad is provided under the base, four anti-skid shock-absorbing pads are provided, and the anti-skid shock-absorbing pads are fixedly connected to the base, and the four anti-skid shock-absorbing pads are provided at the four corners of the base.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model device is provided with a reduction motor, a drain valve assembly, a stirring paddle, a discharge plate and a scraper plate. The reduction motor drives the stirring paddle to rotate. The rotating stirring paddle stirs the wastewater in the mixing box body to accelerate the mixing of the wastewater. After the mixing is completed, the drain valve assembly is opened to discharge the wastewater. The scraper plate rotates along the inner wall of the mixing box body as the stirring paddle rotates, scraping off the wastewater attached to the inner wall of the mixing box body. The discharge plate rotates in the drain valve assembly as the stirring paddle rotates, better discharging the wastewater from the drain valve assembly and preventing waste residue from accumulating in the drain valve assembly and causing blockage.

[0015] 2. The utility model device is provided with a water inlet valve, a drain valve, a heating chamber and a temperature sensor. Hot water is injected into the heating chamber from the water inlet valve, and the hot water is used to heat the wastewater in the mixing box body. The heating is conducive to the mixing of the wastewater. The drain valve discharges the hot water in the heating chamber. The temperature sensor measures the temperature of the wastewater in the mixing box body, and the measured temperature is conducive to adjusting the mixing temperature.

[0016] 3. The utility model device is provided with a connecting plate and an electric push rod. The electric push rod drives the connecting plate to rise and fall. As the connecting plate rises and falls, the height of the box cover changes. The box cover is lifted to facilitate cleaning of the mixing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a rear view of the utility model;

[0019] Figure 3 It is a cross-sectional view of the utility model;

[0020] Figure 4 This is a structural diagram of the connection between the stirring paddle and the box cover of the utility model;

[0021] Figure 5 For the utility model Figure 3 A partial enlarged view of area A.

[0022] In the figure: 1. Base; 2. Column; 3. Anti-slip shock-absorbing pad; 4. Mixing box shell; 5. Fixing block; 6. Box cover; 7. Water supply pipe assembly; 8. Feeding pipe assembly; 9. Connecting plate; 10. Reducer motor; 11. Electric push rod; 12. Drain valve assembly; 13. Water inlet valve; 14. Drain valve; 15. Mixing box body; 16. Heating chamber; 17. Stirring paddle; 18. Discharge plate; 19. Scraper plate; 20. Temperature sensor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-5 The utility model provides an embodiment: a mixing device for wastewater treatment, comprising a base 1, a column 2 is provided above the base 1, two columns 2 are provided, and the columns 2 are fixedly connected to the base 1, a mixing box shell 4 is provided between the two columns 2, and the mixing box shell 4 is provided above the base 1, and fixed blocks 5 are provided on both sides of the mixing box shell 4, and the fixed blocks 5 are welded to the columns 2 and the mixing box shell 4 as a whole, a mixing box body 15 is provided inside the mixing box shell 4, and the mixing box body 15 is connected to the mixing box shell 4 as a whole, a drain valve assembly 12 is provided at the lower end of the mixing box body 15, and The drain valve assembly 12 is connected to the mixing box body 15 as a whole. A box cover 6 is provided above the mixing box shell 4, and the box cover 6 is clamped with the mixing box shell 4. A water adding pipe assembly 7 and a feeding pipe assembly 8 are provided at the upper end of the box cover 6, and the water adding pipe assembly 7 and the feeding pipe assembly 8 are all integrated with the box cover 6. A reduction motor 10 is provided above the box cover 6, and the reduction motor 10 is connected to the box cover 6 by screws. A stirring paddle 17 is provided inside the mixing box body 15, and one end of the stirring paddle 17 is connected to the output end of the reduction motor 10, and the stirring paddle 17 is rotatably connected to the box cover 6 and the mixing box body 15.

[0025] During use: add wastewater from the water adding pipe assembly 7 to the mixing box body 15, add the treatment drug from the feeding pipe assembly 8 to the mixing box body 15, turn on the reduction motor 10 to drive the stirring paddle 17 to rotate, the rotating stirring paddle 17 stirs the wastewater in the mixing box body 15 to accelerate the mixing of the wastewater, and after the mixing is completed, open the drain valve assembly 12 to discharge the wastewater.

[0026] See also Figure 2 、 Figure 3 and Figure 5A heating chamber 16 is provided between the mixing box body 15 and the mixing box shell 4, and a water inlet valve 13 and a drain valve 14 are provided on one side of the lower end of the mixing box shell 4, and the water inlet valve 13 and the drain valve 14 are connected to the mixing box shell 4 as a whole, and the water inlet valve 13 and the drain valve 14 are connected to the heating chamber 16. A temperature sensor 20 is provided at the lower end of the mixing box body 15, and the temperature sensor 20 is connected to the mixing box body 15 as a whole. The temperature sensor 20 is arranged on one side of the drain valve assembly 12, and hot water is injected into the heating chamber 16 from the water inlet valve 13, and the hot water is used to heat the wastewater in the mixing box body 15. The heating is conducive to the mixing of the wastewater, and the drain valve 14 discharges the hot water in the heating chamber 16. The temperature sensor 20 measures the temperature of the wastewater in the mixing box body 15, and the measured temperature is conducive to adjusting the mixing temperature.

[0027] See also Figure 3 and Figure 4 , scrapers 19 are provided on both sides of the stirring paddle 17, and at least four scrapers 19 are provided, and the scrapers 19 are fixedly connected to the stirring paddle 17. The scrapers 19 are staggered on both sides of the stirring paddle 17, and a discharge plate 18 is provided at the lower end of the stirring paddle 17, and the discharge plate 18 is fixedly connected to the stirring paddle 17. The discharge plate 18 is arranged inside the drain valve assembly 12, and the scraper 19 rotates along the inner wall of the mixing box body 15 as the stirring paddle 17 rotates, scraping off the waste water attached to the inner wall of the mixing box body 15. The discharge plate 18 rotates in the drain valve assembly 12 as the stirring paddle 17 rotates, so as to better discharge the waste water from the drain valve assembly 12 and avoid waste residue accumulation in the drain valve assembly 12 and blockage.

[0028] See also Figure 1 and Figure 3 , connecting plates 9 are provided on both sides of the box cover 6, and there are two connecting plates 9, and the connecting plates 9 are fixedly connected to the box cover 6. The two connecting plates 9 are arranged above the column 2, and an electric push rod 11 is provided inside the column 2, and the electric push rod 11 is connected to the column 2 by screws. The telescopic end of the electric push rod 11 is fixedly connected to the connecting plate 9, and an anti-slip shock-absorbing pad 3 is provided under the base 1. Four anti-slip shock-absorbing pads 3 are provided, and the anti-slip shock-absorbing pads 3 are fixedly connected to the base 1. The four anti-slip shock-absorbing pads 3 are arranged at the four corners of the base 1. The electric push rod 11 drives the connecting plate 9 to rise and fall. As the connecting plate 9 rises and falls, the height of the box cover 6 is changed. Lifting the box cover 6 is convenient for cleaning the mixing device, and the anti-slip shock-absorbing pad 3 improves the stability of the mixing device.

[0029] Working principle: Add wastewater from the water adding pipe assembly 7 to the mixing box body 15, add the treatment drug from the feeding pipe assembly 8 to the mixing box body 15, turn on the reduction motor 10 to drive the stirring paddle 17 to rotate, the rotating stirring paddle 17 stirs the wastewater in the mixing box body 15 to accelerate the mixing of the wastewater, hot water is injected into the heating chamber 16 from the water inlet valve 13, and the hot water is used to heat the wastewater in the mixing box body 15 to increase the temperature, which is conducive to the mixing of the wastewater, the drain valve 14 discharges the hot water in the heating chamber 16, and the temperature sensor 20 measures the temperature of the wastewater in the mixing box body 15. The temperature is conducive to regulating the mixing temperature. After the mixing is completed, the drain valve assembly 12 is opened to discharge the waste water; the scraper plate 19 rotates along the inner wall of the mixing box body 15 with the rotation of the stirring paddle 17, and the waste water attached to the inner wall of the mixing box body 15 is scraped off. The discharge plate 18 rotates in the drain valve assembly 12 with the rotation of the stirring paddle 17, which can better discharge the waste water from the drain valve assembly 12 and avoid the accumulation of waste residue in the drain valve assembly 12 and blockage. The electric push rod 11 drives the connecting plate 9 to rise and fall. As the connecting plate 9 rises and falls, the height of the box cover plate 6 changes, and the box cover plate 6 is lifted to facilitate cleaning of the mixing device.

[0030] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mixing device for wastewater treatment, comprising a base (1), characterized in that: A column (2) is provided above the base (1), two columns (2) are provided, and the columns (2) are fixedly connected to the base (1), a mixing box shell (4) is provided between the two columns (2), and the mixing box shell (4) is provided above the base (1), fixed blocks (5) are provided on both sides of the mixing box shell (4), and the fixed blocks (5) are welded to the columns (2) and the mixing box shell (4) as a whole, a mixing box body (15) is provided inside the mixing box shell (4), and the mixing box body (15) is connected to the mixing box shell (4) as a whole, a drain valve assembly (12) is provided at the lower end of the mixing box body (15), and the drain valve assembly (12) is connected to the mixing box body (15) The mixing box body (15) is connected as a whole. A box cover (6) is provided above the mixing box shell (4), and the box cover (6) is snap-connected with the mixing box shell (4). A water supply pipe assembly (7) and a feeding pipe assembly (8) are provided at the upper end of the box cover (6), and the water supply pipe assembly (7) and the feeding pipe assembly (8) are all provided as a whole with the box cover (6). A reduction motor (10) is provided above the box cover (6), and the reduction motor (10) is connected to the box cover (6) by screws. A stirring paddle (17) is provided inside the mixing box body (15), and one end of the stirring paddle (17) is connected to the output end of the reduction motor (10). The stirring paddle (17) is rotatably connected to the box cover (6) and the mixing box body (15).

2. A mixing device for wastewater treatment according to claim 1, characterized in that: A heating chamber (16) is provided between the mixing box body (15) and the mixing box shell (4); a water inlet valve (13) and a water drain valve (14) are provided on one side of the lower end of the mixing box shell (4); the water inlet valve (13) and the water drain valve (14) are integrally connected to the mixing box shell (4); and the water inlet valve (13) and the water drain valve (14) are communicated with the heating chamber (16).

3. A mixing device for wastewater treatment according to claim 1, characterized in that: A temperature sensor (20) is provided at the lower end of the mixing box body (15), and the temperature sensor (20) is connected to the mixing box body (15) as a whole. The temperature sensor (20) is provided on one side of the drain valve assembly (12).

4. A mixing device for wastewater treatment according to claim 1, characterized in that: Scraping plates (19) are provided on both sides of the stirring paddle (17), at least four scraping plates (19) are provided, and the scraping plates (19) are fixedly connected to the stirring paddle (17), and the scraping plates (19) are staggered on both sides of the stirring paddle (17).

5. A mixing device for wastewater treatment according to claim 1, characterized in that: A discharge plate (18) is provided at the lower end of the stirring paddle (17), and the discharge plate (18) is fixedly connected to the stirring paddle (17). The discharge plate (18) is provided inside the drain valve assembly (12).

6. A mixing device for wastewater treatment according to claim 1, characterized in that: Connecting plates (9) are provided on both sides of the box cover (6), two connecting plates (9) are provided, and the connecting plates (9) are fixedly connected to the box cover (6), the two connecting plates (9) are provided above the column (2), an electric push rod (11) is provided inside the column (2), and the electric push rod (11) is connected to the column (2) by screws, and the telescopic end of the electric push rod (11) is fixedly connected to the connecting plate (9).

7. A mixing device for wastewater treatment according to claim 1, characterized in that: An anti-skid shock-absorbing pad (3) is provided below the base (1), and four anti-skid shock-absorbing pads (3) are provided. The anti-skid shock-absorbing pads (3) are fixedly connected to the base (1), and the four anti-skid shock-absorbing pads (3) are provided at the four corners of the base (1).

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