CN211056905U - Multistage oxidation effluent treatment plant - Google Patents

Abstract

The utility model relates to a multi-stage oxidation wastewater treatment device, which relates to the field of papermaking wastewater treatment. The aeration tank is provided with an aeration mixing component, the aeration tank is provided with a conveying pump, one side of the aeration tank is connected with a number of filter press cylinders, and the filter press cylinder is provided with a filter pressure component, The conveying pump is communicated with the filter press assembly, and the waste paper sewage is passed into the anaerobic sewage tank for anaerobic oxidation treatment. After the treatment, the pressurized pump is turned on to pass the sewage into the aeration tank along the pipeline, and aeration mixing is set at the same time. The sewage is aerated and mixed, and then the transfer pump is turned on to discharge the sewage into the filter press cartridge, and filter the residue through the filter press assembly in the filter press cartridge to filter the residue. In the filter press cartridge, the treatment effect is good, and the fiber residue is thoroughly filtered.

Description

A multi-stage oxidation wastewater treatment device

technical field

The utility model relates to the field of papermaking wastewater treatment, in particular to a multi-stage oxidation wastewater treatment device.

Background technique

The wastewater produced by the paper industry is one of the main sources of industrial pollution. It has the characteristics of complex wastewater composition, low biodegradability, and high content of organic pollutants. It is a difficult industrial wastewater to treat. According to the characteristics of papermaking wastewater, various types of devices have been developed for the purification of wastewater.

The above-mentioned existing papermaking wastewater treatment device, which is used for the treatment of papermaking wastewater, has a very complex structure, and the treatment effect is relatively limited, so the applicability and practicability are limited.

Utility model content

The purpose of the utility model is to provide a multi-stage oxidation wastewater treatment device, which has good treatment effect and thoroughly filters fiber residues.

The above purpose of the present utility model is achieved through the following technical solutions: a multi-stage oxidation wastewater treatment device, comprising an anaerobic sewage tank, the top of the anaerobic sewage tank is provided with a pressurizing pump, and the anaerobic sewage tank is a The side is connected with an aeration tank through a pipeline, an aeration mixing component is arranged in the aeration tank, a conveying pump is arranged in the aeration tank, and a number of filter press cylinders are connected through a pipeline on one side of the aeration tank. A filter press assembly is arranged in the filter cartridge, and the delivery pump communicates with the filter press assembly.

Implementing the above technical scheme, the waste paper sewage is passed into the anaerobic sewage tank for anaerobic oxidation treatment, after the treatment, the pressurized pump is turned on to pass the sewage into the aeration tank along the pipeline, and an aeration mixing component is installed at the same time to aerate the sewage. Mixing, then turn on the transfer pump, discharge the sewage into the filter press cartridge, filter the residue through the filter press assembly in the filter press cartridge, filter the residue, drain the treated filtered water, and leave the residue in the filter press cartridge, its treatment The effect is good, and the fiber residue is thoroughly filtered.

The utility model is further configured as follows: the pressurizing pump is provided with a gas delivery pipe, the gas delivery pipe extends into the inside of the anaerobic sewage tank, and the lower end of the gas delivery pipe is provided with a porous foaming head.

Implementing the above technical scheme, setting up an air delivery pipe and a foaming head, when pressurizing, the anaerobic sewage tank can be ventilated for preliminary mixing, which is convenient for uniform discharge.

The utility model is further configured as follows: the aeration mixing assembly includes a frame arranged in the aeration tank, a lifting chain plate is vertically arranged on the frame, and one end of the lifting chain plate is located in the aeration tank At the bottom end, the outer periphery of the lifting chain plate is hinged with a water bucket, and the top of the frame is provided with a driving motor that drives the lifting chain plate to rotate.

The above technical solution is implemented, the driving motor is turned on, and the lifting chain plate is driven to rotate, so that the water bucket is continuously lifted from the aeration tank, and the sewage at the bottom of the aeration tank is continuously raised, and then the bucket is folded, which promotes the water body in the aeration tank to churn and promotes Rapid aeration, the aeration effect of the whole device is good.

The utility model is further configured as follows: the aeration mixing assembly further comprises an aeration pipe arranged vertically in the aeration tank, and an air pump connected to the aeration pipe is arranged at the top of the aeration tank.

By implementing the above technical scheme, an aeration pipe is set up, and an air pump is turned on, so that a large number of air bubbles are generated in the aeration pipe, which further promotes the rapid aeration of the aeration tank.

The utility model is further configured as follows: the aeration tank is provided with a conveying pipe and a conveying pump, the filter press assembly comprises a pressure chamber that is slidably connected on the filter press cylinder, and the conveying pipes respectively lead into the pressure chambers. chamber and the bottom end of the filter press cylinder, the bottom end of the filter press cylinder is provided with a hollow porous filter screen table, the filter screen table is provided with a first output pipe, and the pressure chamber is provided with a second The output pipe and the second water pump, the first output pipe leads to the bottom end of the adjacent filter press cartridge, the second output pipe leads to the adjacent pressure chamber, and is located on the farthest side. In the filter press cylinder, a water outlet pipe and an outlet pump are arranged in the filter screen table, and the pressure chamber is communicated with the aeration tank through a pipeline.

Implement the above technical scheme, turn on the transfer pump, and urge the sewage to enter the filter screen in the filter press cylinder adjacent to the aeration tank. The warehouse keeps descending, the sewage is discharged along the mesh holes on the filter table, and the residue is left in the filter table. The filter cartridge, the adjacent pressure chamber is lowered, the sewage is discharged along the mesh holes on the adjacent filter screen table, and is discharged from the water outlet pipe and outlet pump on the last stage of the filter press cartridge. By feeding sewage into the ballast chamber to increase the weight, it is more energy-saving and electricity-saving.

The utility model is further provided that: the side wall of the filter press cylinder is provided with an inspection door.

Implementing the above technical scheme, setting up an inspection door is convenient for discharging slag from the filter screen table, and is convenient for overhauling the internal structure.

The utility model is further configured as follows: the filter cloth is covered on the outer periphery of the filter screen table.

By implementing the above technical solution, it is convenient to set the filter cloth to further enhance the filtering capacity of the filter screen table, and at the same time, it is convenient to replace.

The utility model is further configured as follows: a pressure gauge is arranged on the pipe wall of the first output pipe extending out of the filter press cylinder, and a liquid level window is arranged on the pressure chamber.

Implementing the above technical scheme, setting a pressure gauge is convenient for detecting the sewage conveying pressure, and setting a liquid level window is convenient for patrolling the pressure filtration process.

To sum up, the beneficial technical effects of the present utility model are:

1. The utility model discloses a multi-stage oxidation wastewater treatment device, comprising an anaerobic sewage tank, a pressurizing pump is arranged at the top of the anaerobic sewage tank, and an aeration tank is connected to one side of the anaerobic sewage tank through a pipeline. There is an aeration mixing component, a conveying pump is arranged in the aeration tank, a number of filter press cartridges are connected to one side of the aeration tank through pipes, and a filter press component is arranged in the filter press cylinder, and the conveying pump is communicated with the filter press component. The paper sewage is passed into the anaerobic sewage tank for anaerobic oxidation treatment. After treatment, the pressurized pump is turned on to pass the sewage into the aeration tank along the pipeline. At the same time, an aeration mixing component is installed to aerate and mix the sewage. The sewage is discharged into the filter press cartridge, and is filtered by the filter press assembly in the filter press cartridge, the residue is filtered, the treated filtered water is drained, and the residue remains in the filter press cartridge, the treatment effect is good, and the fiber residue is thoroughly filtered;

2. Turn on the conveying pump to promote the sewage to enter the filter table in the filter press cylinder adjacent to the aeration tank. At this time, the pressure chamber rises, and then the sewage is passed into the pressure chamber through the pipeline, so that the pressure chamber is continuously Down, the sewage is discharged along the mesh holes on the filter table, and the residue remains in the filter table. At the same time, the discharged sewage enters the filter table in the next stage of the filter press, and the adjacent filter press is opened. The adjacent pressure chamber is lowered, and the sewage is discharged along the mesh holes on the adjacent filter screen table, so as to reciprocate to complete the classification filtration.

3. The aeration mixing assembly includes a frame set in the aeration tank, and a lifting chain plate is vertically arranged on the frame. There is a drive motor that drives the lifting chain plate to rotate. The drive motor is turned on to drive the lifting chain plate to rotate, so that the water bucket is continuously lifted from the aeration tank, and the sewage at the bottom of the aeration tank is continuously lifted, and then the bucket is turned over to promote the aeration tank. The water body in the gas pool is churning, which promotes rapid aeration, and the aeration effect of the whole device is good.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic diagram of a cross-sectional structure along the line A-A in FIG. 1 .

In the picture: 1. Anaerobic sewage tank; 2. Booster pump; 3. Aeration tank; 4. Aeration mixing component; 5. Transfer pump; 6. Filter press cartridge; 7. Filter press component; 8. Rack ; 9. Lifting chain plate; 10. Water bucket; 11. Drive motor; 12. Aeration pipe; 13. Air pump; 14. Air pipe; 15. Foaming head; 16. Conveying pipe; 18. Pressure chamber; 19 , filter table; 21, the first output pipe; 22, the second output pipe; 23, the second water pump; 24, the water outlet pipe; 25, the outlet water pump; 26, the inspection door; 27, the pressure gauge; 28, the liquid level window.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1 , a multi-stage oxidation wastewater treatment device disclosed by the utility model includes an anaerobic sewage tank 1, a pressure pump 2 is arranged on the top of the anaerobic sewage tank 1, and a side of the anaerobic sewage tank 1 is connected with a pipeline through a pipeline. Aeration tank 3, aeration tank 3 is provided with aeration mixing component 4, aeration tank 3 is provided with conveying pump 5, one side of aeration tank 3 is connected with a number of filter press cylinders 6 through pipes, and the filter press cylinder 6 A filter press assembly 7 is provided, and the conveying pump 5 is communicated with the filter press assembly 7. After the waste paper sewage is passed into the anaerobic sewage tank 1 for anaerobic oxidation treatment, after the treatment, the pressure pump 2 is turned on to pass the sewage into the aeration along the pipeline. Pool 3, an aeration mixing assembly 4 is set at the same time to aerate and mix the sewage, then the transfer pump 5 is turned on, and the sewage is discharged into the filter press cartridge 6, and the filter press assembly 7 in the filter press cartridge 6 is pressed to filter the residues. After filtering, the treated filtered water is drained away, and the residue is left in the filter press cartridge 6. The treatment effect is good, and the fiber residue is thoroughly filtered.

1 and 2, the aeration mixing assembly 4 includes a frame 8 arranged in the aeration tank 3, and a lifting chain plate 9 is vertically arranged on the frame 8, and one end of the lifting chain plate 9 is located at the bottom end of the aeration tank 3 The outer circumference of the lifting chain plate 9 is hinged with a water bucket 10, the top of the frame 8 is provided with a drive motor 11 that drives the lifting chain plate 9 to rotate, and the aeration mixing assembly 4 also includes an aeration pipe vertically arranged in the aeration tank 3 12. An air pump 13 connected to the aeration pipe 12 is provided at the top of the aeration tank 3 . The drive motor 11 is turned on to drive the lifting chain plate 9 to rotate, so that the water bucket 10 is continuously lifted from the aeration tank 3, and the sewage at the bottom of the aeration tank 3 is continuously lifted. The water body is churning, and the air pump 13 is turned on, which makes the aeration pipe 12 generate a large number of air bubbles, which further promotes the rapid aeration of the aeration tank 3, and the aeration effect of the whole device is good.

2, the pressurizing pump 2 is provided with a gas delivery pipe 14, the gas delivery pipe 14 extends into the interior of the anaerobic sewage tank 1, the lower end of the gas delivery pipe 14 is provided with a porous foaming head 15, and the gas delivery pipe 14 and the foaming head are provided. 15. During pressurization, the anaerobic sewage tank 1 can be ventilated for preliminary mixing, which is convenient for uniform discharge.

1 and 2, the aeration tank 3 is provided with a conveying pipe 16 and a conveying pump 5, the filter press assembly 7 includes a pressure chamber 18 that is slidably connected to the filter press cylinder 6, and the conveying pipes 16 respectively lead into the pressure chamber The chamber 18 and the bottom end of the filter press cartridge 6, the conveying pipe 16 is provided with a valve to control the flow, and the bottom end of the filter press cartridge 6 is provided with a hollow porous filter screen table 19, and the outer periphery of the filter screen table 19 is covered with filter cloth (Fig. Not shown), the filter cloth further enhances the filtering ability of the filter screen table 19, and at the same time is convenient for replacement, the filter screen table 19 is provided with a first output pipe 21, and the pressure chamber 18 is provided with a second output pipe 22 and a second output pipe 22. The water pump 23, the first output pipe 21 leads to the bottom end of the adjacent filter press cylinder 6, the second output pipe 22 leads to the adjacent pressure chamber 18, in the farthest side of the filter press cylinder 6, the filter table 19 A water outlet pipe 24 and an outlet water pump 25 are arranged inside, and the pressure chamber 18 is communicated with the aeration tank 3 through pipes. Turn on the delivery pump 5 to urge the sewage to enter the filter table 19 in the filter press cylinder 6 adjacent to the aeration tank 3. At this time, the pressure chamber 18 is raised, and then the sewage is passed into the pressure chamber 18 through the pipeline to promote The pressure chamber 18 is continuously lowered, the sewage is discharged along the mesh holes on the filter screen table 19, and the residue is left in the filter screen table 19. At the same time, the discharged sewage enters the filter screen table 19 in the next section of filter press cylinder 6. , the adjacent filter press cylinder 6 is opened, the adjacent pressure chamber 18 is lowered, and the sewage is discharged along the mesh holes on the adjacent filter screen table 19, so reciprocating, completing the classification filtration, and finally along the water outlet pipe 24 and the outlet pump. 25 is discharged, and the weight is increased by passing sewage into the pressure chamber 18, which is more energy-saving and power-saving.

1 and 2 , an inspection door 26 is provided on the side wall of the filter press cartridge 6, a pressure gauge 27 is provided on the wall of the first output pipe 21 extending out of the filter press cartridge 6, and a liquid level is provided on the pressure chamber 18 window 28. The inspection door 26 is provided to facilitate the slag discharge of the filter table 19, and the maintenance of the internal structure.

Working process (principle): The utility model discloses a multi-stage oxidation wastewater treatment device, comprising an anaerobic sewage tank 1, a pressure pump 2 is arranged at the top of the anaerobic sewage tank 1, and one side of the anaerobic sewage tank 1 is connected by a pipeline There is an aeration tank 3, an aeration mixing component 4 is arranged in the aeration tank 3, a conveying pump 5 is arranged in the aeration tank 3, and a number of filter press cylinders 6 are connected on one side of the aeration tank 3 through pipes, and the filter pressure cylinder 6 A filter press assembly 7 is provided inside, and the conveying pump 5 is communicated with the filter press assembly 7. After the waste paper sewage is passed into the anaerobic sewage tank 1 for anaerobic oxidation treatment, after the treatment, the pressurized pump 2 is turned on to pass the sewage along the pipeline into the aeration tank. The air tank 3 is equipped with an aeration mixing assembly 4 at the same time to aerate and mix the sewage, and then the transfer pump 5 is turned on to discharge the sewage into the filter press cartridge 6, and filter press through the filter press assembly 7 in the filter press cartridge 6. The residue is filtered, the treated filtered water is drained away, and the residue is left in the filter press cartridge 6, and the treatment effect is good, and the fiber residue is thoroughly filtered.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (8)

1. A multi-stage oxidation wastewater treatment device is characterized in that: comprising an anaerobic sewage tank (1), the top of the anaerobic sewage tank (1) is provided with a pressurizing pump (2), and the anaerobic sewage tank (1) is provided with a pressurizing pump (2). 1) One side is connected with an aeration tank (3) through a pipeline, an aeration mixing assembly (4) is arranged in the aeration tank (3), and a conveying pump (5) is arranged in the aeration tank (3) A number of filter press cartridges (6) are connected to one side of the aeration tank (3) through pipelines, and the filter press cartridge (6) is provided with a filter press assembly (7), and the delivery pump (5) is connected to the The filter press assembly (7) is communicated. 2. A multi-stage oxidation wastewater treatment device according to claim 1, characterized in that: the pressurizing pump (2) is provided with a gas delivery pipe (14), and the gas delivery pipe (14) extends into the Inside the anaerobic sewage tank (1), a porous foaming head (15) is provided at the lower end of the gas transmission pipe (14). 3. A multi-stage oxidation wastewater treatment device according to claim 2, characterized in that: the aeration mixing assembly (4) comprises a frame (8) arranged in the aeration tank (3), The frame (8) is vertically provided with a lift chain plate (9), one end of the lift chain plate (9) is located at the bottom end of the aeration tank (3), and the outer circumference of the lift chain plate (9) is hinged There is a water bucket (10), and the top of the frame (8) is provided with a drive motor (11) that drives the lift chain plate (9) to rotate. 4. A multi-stage oxidation wastewater treatment device according to claim 3, characterized in that: the aeration mixing assembly (4) further comprises an aeration vertically arranged in the aeration tank (3) A pipe (12), the top of the aeration tank (3) is provided with an air pump (13) connected to the aeration pipe (12). 5. A multi-stage oxidation wastewater treatment device according to claim 4, characterized in that: the aeration tank (3) is provided with a conveying pipe (16) and a conveying pump (5), and the filter press assembly (7) comprising a pressure chamber (18) slidably connected to the filter press cartridge (6), and the conveying pipe (16) respectively leads into the press chamber (18) and the filter press cartridge (6) The bottom end of the filter press cylinder (6) is provided with a hollow porous filter screen table (19), and the filter screen table (19) is provided with a first output pipe (21). (18) is provided with a second output pipe (22) and a second water pump (23), the first output pipe (21) leads to the bottom end of the adjacent filter press cartridge (6), the first output pipe (21) The two output pipes (22) lead to the adjacent pressure chambers (18), and in the filter press cylinder (6) on the farthest side, a water outlet pipe (24) is arranged in the filter table (19). ) and an outlet water pump (25), the pressure chamber (18) is communicated with the aeration tank (3) through a pipeline. 6. A multi-stage oxidation wastewater treatment device according to claim 5, characterized in that: an inspection door (26) is provided on the side wall of the filter press cartridge (6). 7. A multi-stage oxidation wastewater treatment device according to claim 6, characterized in that: the outer periphery of the filter screen table (19) is covered with filter cloth. 8 . The multi-stage oxidation wastewater treatment device according to claim 7 , wherein a pressure gauge is provided on the pipe wall of the first output pipe ( 21 ) extending out of the filter press cylinder ( 6 ). 9 . (27), the pressure chamber (18) is provided with a liquid level window (28).

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