Wastewater treatment device

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a wastewater treatment device which comprises a treatment pool body and a plurality of partition plates fixedly mounted in a cavity of the treatment pool body, a defoaming structure is arranged on the wall of each partition plate and comprises a guide part, an adsorption box and a drainage pipe, the guide parts are movably connected with the partition plates, and the adsorption boxes are fixedly connected with the guide parts. The guiding part can guide and disperse surface impurities in the cavity of the treatment tank body towards the adsorption box, the V-shaped guiding part is used for guiding and dispersing sewage discharged into the treatment tank body, floating bubbles on the surface of the sewage are guided by the guiding part towards the inner walls of the two sides of the treatment tank body, and the floating bubbles enter the guiding part and are blocked through the blocking channel, so that the sewage treatment effect is improved. The treatment tank body is divided into a plurality of treatment cavities in cooperation with a plurality of partition plates, sewage is treated in a staged mode, defoaming is achieved, and the defoamed sewage is conveyed to the next treatment cavity through the drainage pipe.

Description

Technical Field

[0001] The utility model belongs to the technical field of wastewater treatment, and specifically relates to a wastewater treatment device. Background Art

[0002] The scientific name of industrial sulfonamide is p-aminobenzenesulfonamide, also known as aminobenzenesulfonamide. It is white granules or powdered crystals, slightly soluble in cold water, ethanol, methanol, and acetone, easily soluble in boiling water, glycerol, hydrochloric acid, potassium hydroxide, and sodium hydroxide solutions, and insoluble in benzene, chloroform, ether, and petroleum ether. It is flammable when exposed to open flames and high temperatures, and its production process produces hazardous wastewater.

[0003] The prior art discloses a treatment system for sulfonamide production wastewater (CN202021711548.4), which collects sulfonamide production wastewater through a wastewater collection pool and performs homogenization treatment, so that the water quality discharged from the wastewater collection pool is stable; the sand filter device can effectively filter and remove large particles in the wastewater; the resin adsorption system can effectively adsorb organic molecules such as aminobenzenesulfonamide to effectively separate sulfonamide substances from salts, and then the adsorption resin in the resin adsorption tank is regenerated by the regeneration liquid in the regeneration liquid tank, and the concentrated sulfonamide can be recovered by a hydrolysis process. The wastewater is subjected to salt separation treatment by an electrically driven membrane device, that is, sodium chloride and sodium acetate are separated to improve the purity of the crystallized salt obtained by the crystallization system; the concentrated water of the electrically driven membrane device is electrolyzed by a bipolar membrane device to produce acid and alkali, which are reused to the acid regulating tank or the acid addition inlet and the alkali regulating tank or the alkali addition inlet;

[0004] In the prior art, sewage generated during the production of sulfonamides is treated by adding chemicals into the treatment tank to neutralize the sewage and separate harmful substances. When the chemicals are mixed with the sewage, certain bubbles will be generated on the surface of the sewage. The bubbles easily absorb impurities and adhere to the walls of the tank and the pipes, affecting the operating stability of the entire treatment line. Therefore, there is room for optimization in the treatment of bubbles.

[0005] In view of this, the present utility model is proposed. Utility Model Content

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0007] A wastewater treatment device comprises a treatment tank body and a plurality of partitions fixedly installed in the cavity of the treatment tank body. The chamber of the treatment tank body forms a plurality of treatment chambers through the partitions. The wall of the partition is provided with a defoaming structure. The defoaming structure comprises a guide part, an adsorption box and a drain pipe. The guide part is movably connected to the partition, and the adsorption box is fixedly connected to the guide part. The guide part can guide and disperse the surface impurities in the cavity of the treatment tank body toward the adsorption box, and a stepped blocking channel is formed in the cavity of the adsorption box. The drain pipe is fixedly connected to the adsorption box and discharges the water in the adsorption box to an adjacent treatment chamber.

[0008] As a preferred embodiment of the utility model, the defoaming structure also includes a defoaming net, a stopper, a water diversion window and a baffle, the guide part is a hollow box body, the defoaming net is detachably connected to the adsorption box and divides the adsorption box chamber into two upper and lower parts, a plurality of stoppers are equidistantly arranged on the top surface of the defoaming net, the upper space of the adsorption box forms a blocking channel through the stopper, a water diversion window for water inlet is provided on the side wall of the adsorption box, the baffle is fixedly connected to the side wall of the adsorption box and guides the guide part to push impurities near the adsorption box toward the water diversion window.

[0009] As a preferred embodiment of the utility model, the defoaming net has a frame and a filter net, the stopping part is fixedly connected to the frame of the defoaming net, the stopping part is a rectangular plate, the stopping part is inclined, and the height of the stopping part increases uniformly in the direction away from the water diversion window.

[0010] As a preferred embodiment of the utility model, the guide part is V-shaped, the ridge line of the guide part is arranged opposite to the direction of water flow, the baffle is arranged parallel to the guide part, and a guide channel facing the water diversion window is formed between the baffle and the guide part.

[0011] As a preferred embodiment of the utility model, the height of the partition decreases along the water flow direction in the treatment tank body, and a plurality of treatment chambers with decreasing heights are formed in the treatment tank body cavity.

[0012] As a preferred embodiment of the utility model, a spacing cavity is formed between the two adjacent stopping parts, and the space above the defoaming net forms a blocking channel through a plurality of spacing cavities.

[0013] As a preferred embodiment of the utility model, a support plate is fixedly connected to the inner wall of the adsorption box, the defoaming net is placed on the top of the support plate, and the support plate is a U-shaped frame surrounding the inner wall of the adsorption box.

[0014] As a preferred embodiment of the utility model, a nut is fixedly connected to the wall surface of the guide portion, a screw is rotatably connected to the inner bottom surface of the treatment tank body, and the screw is threadedly connected to the nut to adjust the height of the guide portion.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. By setting a guide part, the V-shaped guide part is used to guide and disperse the sewage discharged into the treatment tank body. The bubbles on the surface of the sewage are guided by the guide part to the inner walls on both sides of the treatment tank body. The bubbles enter the guide part and are blocked by the blocking channel to achieve the collection of the bubbles. The treatment tank body is divided into multiple treatment chambers with multiple partitions, and the sewage is graded and defoamed. The defoamed sewage is transported to the next treatment chamber by the drain pipe.

[0017] 2. The sewage containing bubbles on the surface is guided by the guide part and enters the guide part from the water diversion window. The guide part cooperates with the baffle to more accurately introduce the bubbles into the guide part, and a spacing cavity is formed by multiple stop parts. The bubbles have a certain flow rate and continuously impact the stop part. The bubbles are blocked in the spacing cavity, and the sewage seeps from the filter of the defoaming net into the space below the defoaming net and is discharged by the drain pipe, so that the bottom foam is separated and collected, and the treatment efficiency is high. The foam is prevented from entering the next treatment cavity, and the sewage is discharged through the drain pipe. A certain negative pressure is generated in the space below the defoaming net, and then the sewage in the space above the defoaming net is subject to a certain atmospheric pressure, which promotes the sewage to pass through the filter of the defoaming net and seep down.

[0018] 3. By setting the support plate, it is convenient to disassemble and assemble the defoaming net. The defoaming net can be removed and the floating bubbles collected in the compartment cavity can be centrally processed and the defoaming net can be cleaned.

[0019] 4. Turn the screw to push the nut and the guide part downward, adjust the distance from the guide part to the bottom surface of the treatment tank body, and adjust the depth of the guide part immersed in sewage, which is convenient for specific adjustment according to the thickness of the floating bubbles in the sewage, with strong adjustability and high flexibility.

[0020] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In the attached picture:

[0022] Figure 1 It is a three-dimensional diagram of the utility model;

[0023] Figure 2 This is a three-dimensional diagram of the guide part and the adsorption box of the utility model;

[0024] Figure 3 This is a horizontal cross-sectional view of the adsorption box of the utility model;

[0025] Figure 4 This is the assembly drawing of the defoaming net and adsorption box of the utility model.

[0026] In the figure: 10, treatment tank body; 11, partition; 20, guide part; 21, adsorption box; 22, drain pipe; 23, defoaming net; 24, stopper; 25, water diversion window; 26, baffle; 30, partition cavity; 31, support plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0028] A wastewater treatment device, such as Figure 1-Figure 2 As shown, it includes a treatment tank body 10 and a plurality of partitions 11 fixedly installed in the cavity of the treatment tank body 10. The chamber of the treatment tank body 10 forms a plurality of treatment chambers through the partitions 11. The wall of the partition 11 is provided with a defoaming structure. The defoaming structure includes a guide portion 20, an adsorption box 21 and a drain pipe 22. The guide portion 20 is movably connected to the partition 11. The adsorption box 21 is fixedly connected to the guide portion 20. The guide portion 20 can guide and disperse the surface impurities in the cavity of the treatment tank body 10 toward the adsorption box 21. A stepped blocking channel is formed in the cavity of the adsorption box 21. The drain pipe 22 is fixedly connected to the adsorption box 21 and discharges the water in the adsorption box 21 to the adjacent treatment chamber. The guide portion 20 is V-shaped. The ridge line of the guide portion 20 is arranged in the opposite direction to the water flow direction. The baffle 22 is fixedly connected to the adsorption box 21 and discharges the water in the adsorption box 21 to the adjacent treatment chamber. 26 is arranged parallel to the guide part 20, and a guide channel facing the water diversion window 25 is formed between the baffle 26 and the guide part 20. The height of the partition 11 decreases along the water flow direction in the treatment tank body 10, and a plurality of treatment chambers with decreasing heights are formed in the treatment tank body 10. By setting the guide part 20, the V-shaped guide part 20 is used to guide and disperse the sewage discharged into the treatment tank body 10, and the bubbles on the surface of the sewage are guided by the guide part 20 toward the inner walls on both sides of the treatment tank body 10. The bubbles enter the guide part 20, and the bubbles are blocked by the blocking channel to realize the collection of the bubbles. The treatment tank body 10 is divided into a plurality of treatment chambers in conjunction with the plurality of partitions 11, and the sewage is graded and defoamed to realize the defoamed sewage is transported to the next treatment chamber by the drain pipe 22.

[0029] like Figure 3 and Figure 4As shown, the defoaming structure also includes a defoaming net 23, a stopper 24, a water diversion window 25 and a baffle 26. The guide part 20 is a hollow box body. The defoaming net 23 is detachably connected to the adsorption box 21 and divides the chamber of the adsorption box 21 into two parts, an upper part and an lower part. A plurality of stoppers 24 are equidistantly arranged on the top surface of the defoaming net 23. The upper space of the adsorption box 21 forms a blocking channel through the stoppers 24. A water diversion window 25 for water inlet is provided on the side wall of the adsorption box 21. The baffle 26 is fixedly connected to the side wall of the adsorption box 21 and guides the guide part 20 to the impurities near the adsorption box 21 to push toward the water diversion window 25. The defoaming net 23 has a frame and a filter screen. The stopper 24 is fixedly connected to the frame of the defoaming net 23. The stopper 24 is a rectangular plate. The stopper 24 is inclined. The height of the stopper 24 increases uniformly in the direction away from the water diversion window 25. A spacing cavity 30 is formed between two adjacent stoppers 24. The space above the defoaming net 23 is formed with a plurality of partition cavities 30 to form a blocking channel. By setting the defoaming net 23, the sewage containing bubbles on the surface is guided by the guide part 20 and enters the guide part 20 from the water diversion window 25. The guide part 20 cooperates with the baffle 26 to more accurately introduce the bubbles into the guide part 20. The partition cavity 30 is formed by a plurality of stop parts 24. The bubbles have a certain flow rate and continuously impact the stop parts 24. The bubbles are blocked in the partition cavity 30, and the sewage seeps from the filter screen of the defoaming net 23 into the space below the defoaming net 23 and is discharged by the drain pipe 22, so that the separation and collection of the bottom foam is realized, and the treatment efficiency is high, and the foam is prevented from entering the next treatment chamber. The sewage is discharged by the drain pipe 22, and a certain negative pressure is generated in the space below the defoaming net 23, so that the sewage in the space above the defoaming net 23 is subjected to a certain atmospheric pressure, which promotes the sewage to pass through the filter screen of the defoaming net 23 and seep down.

[0030] like Figure 4 As shown, a support plate 31 is fixedly connected to the inner wall of the adsorption box 21, and the defoaming net 23 is placed on the top of the support plate 31. The support plate 31 is a U-shaped frame surrounding the inner wall of the adsorption box 21. By setting the support plate 31, it is convenient to disassemble and assemble the defoaming net 23. The defoaming net 23 can be removed and the bubbles collected in the partition cavity 30 can be centrally processed and the defoaming net 23 can be cleaned.

[0031] Not shown in the figure, a nut is fixedly connected to the wall of the guide part 20, and a screw is rotatably connected to the inner bottom surface of the treatment tank body 10. The screw is threadedly connected to the nut and adjusts the height of the guide part 20. The screw is rotated to push the nut and the guide part 20 downward, and the distance from the guide part 20 to the inner bottom surface of the treatment tank body 10 is adjusted, thereby adjusting the depth of the guide part 20 immersed in the sewage, which is convenient for specific adjustment according to the thickness of the bubbles in the sewage, with strong adjustability and high flexibility.

[0032] Working principle: For the sewage generated by the sulfonamide production line, the characteristic of easy foaming in the pharmaceutical reaction treatment process is set up. The V-shaped guide part 20 is used to guide and disperse the sewage discharged into the treatment tank body 10. The bubbles on the surface of the sewage are guided by the guide part 20 to the inner walls on both sides of the treatment tank body 10. The sewage containing bubbles on the surface is guided by the guide part 20 and enters the guide part 20 from the water guide window 25. The guide part 20 cooperates with the baffle 26 to more accurately introduce the bubbles into the guide part 20. The spacing cavity 30 is formed by multiple stoppers 24. The bubbles have a certain The flow rate then continuously impacts the stopper 24, and the bubbles are blocked in the partition cavity 30, while the sewage seeps from the filter screen of the defoaming net 23 into the space below the defoaming net 23 and is discharged by the drain pipe 22. The sewage is discharged by the drain pipe 22, and a certain negative pressure is generated in the space below the defoaming net 23, and then the sewage in the space above the defoaming net 23 is subjected to a certain atmospheric pressure, which promotes the sewage to pass through the filter screen of the defoaming net 23 and seep downward, and the screw is rotated to push the nut and the guide part 20 downward, and the distance from the guide part 20 to the bottom surface of the treatment tank body 10 is adjusted to adjust the depth of the guide part 20 immersed in the sewage.

[0033] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A wastewater treatment device, comprising a treatment tank body (10) and a plurality of partitions (11) fixedly installed in the cavity of the treatment tank body (10), wherein the cavity of the treatment tank body (10) is formed into a plurality of treatment cavities through the partitions (11), characterized in that: The wall of the partition (11) is provided with a defoaming structure, and the defoaming structure comprises a guide part (20), an adsorption box (21) and a drain pipe (22); the guide part (20) is movably connected to the partition (11); the adsorption box (21) is fixedly connected to the guide part (20); the guide part (20) can guide and disperse surface impurities in the cavity of the treatment tank body (10) toward the adsorption box (21); a stepped blocking channel is formed in the cavity of the adsorption box (21); the drain pipe (22) is fixedly connected to the adsorption box (21) and discharges water in the adsorption box (21) to an adjacent treatment cavity.

2. The wastewater treatment device according to claim 1, characterized in that: The defoaming structure further comprises a defoaming net (23), a stopper (24), a water guide window (25) and a baffle (26); the guide portion (20) is a hollow box; the defoaming net (23) is detachably connected to the adsorption box (21) and divides the adsorption box (21) chamber into two upper and lower parts; a plurality of stoppers (24) are equidistantly arranged on the top surface of the defoaming net (23); the upper space of the adsorption box (21) forms a blocking channel through the stoppers (24); a water guide window (25) for water inlet is provided on the side wall of the adsorption box (21); the baffle (26) is fixedly connected to the side wall of the adsorption box (21) and guides the impurities near the adsorption box (21) guided by the guide portion (20) to be pushed toward the water guide window (25).

3. The wastewater treatment device according to claim 2, characterized in that: The defoaming net (23) comprises a frame and a filter screen, the stopper (24) is fixedly connected to the frame of the defoaming net (23), the stopper (24) is a rectangular plate, the stopper (24) is inclined, and the height of the stopper (24) increases uniformly in a direction away from the water diversion window (25).

4. The wastewater treatment device according to claim 2, characterized in that: The guide portion (20) is V-shaped, the ridgeline of the guide portion (20) is arranged in the opposite direction to the water flow direction, the baffle plate (26) is arranged parallel to the guide portion (20), and a guide channel facing the water guide window (25) is formed between the baffle plate (26) and the guide portion (20).

5. The wastewater treatment device according to claim 1, characterized in that: The height of the partition (11) decreases along the water flow direction in the treatment tank body (10), and a plurality of treatment chambers with decreasing heights are formed in the treatment tank body (10).

6. The wastewater treatment device according to claim 1, characterized in that: A spacing cavity (30) is formed between the two adjacent stop portions (24), and the space above the defoaming net (23) forms a blocking channel through the multiple spacing cavities (30).

7. The wastewater treatment device according to claim 2, characterized in that: The inner wall surface of the adsorption box (21) is fixedly connected with a support plate (31), the defoaming net (23) is placed on the top surface of the support plate (31), and the support plate (31) is in the shape of a U-shaped frame surrounding the inner wall surface of the adsorption box (21).

8. The wastewater treatment device according to claim 1, characterized in that: A nut is fixedly connected to the wall surface of the guide part (20), and a screw is rotatably connected to the inner bottom surface of the treatment tank body (10). The screw is threadedly connected to the nut and adjusts the height of the guide part (20).

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