CN220182944U - Hydraulic engineering activated sludge sewage treatment plant - Google Patents

Abstract

The utility model discloses a hydraulic engineering activated sludge sewage treatment device, and relates to the technical field of sewage treatment. The utility model comprises a base, a filter tank fixedly arranged at the top of the base, an aeration tank and a sedimentation tank, wherein a filter mechanism is arranged in the filter tank, a reaction mechanism is arranged in the aeration tank, a circulating mechanism is arranged between the aeration tank and the sedimentation tank, the filter mechanism comprises a fixed frame fixedly arranged in the filter tank and a slot arranged on the inner wall of the fixed frame, the reaction mechanism comprises a baffle plate in the aeration tank, a first rotating rod and a second rotating rod movably arranged in the baffle plate, and the circulating mechanism comprises a circulating pipe fixedly arranged between the aeration tank and the sedimentation tank and a circulating pump arranged on the circulating pipe. According to the utility model, through the filtering mechanism, the reaction mechanism and the circulating mechanism, the filtering effect is ensured, the sewage treatment is facilitated, the purification speed is improved, the recycling of the activated sludge is realized, and the treatment cost is reduced.

Description

A water conservancy project activated sludge sewage treatment device

Technical field

The utility model belongs to the technical field of sewage treatment, and in particular relates to an activated sludge sewage treatment device for water conservancy projects.

Background technique

Water conservancy projects are projects built to control and allocate surface water and groundwater in nature to eliminate harm and create benefits. They are also called water projects. Water conservancy pipelines are common equipment in water conservancy projects. During the construction process of water conservancy projects, pipelines are often used for transportation. Water is transported to designated locations and then used for irrigation, water storage and other operations.

Activated sludge is a general term for microbial groups and the organic and inorganic substances to which they are attached. Activated sludge can be divided into aerobic activated sludge and anaerobic granular activated sludge. Activated sludge is mainly used to treat sewage and wastewater. The activated sludge method is an aerobic treatment method that uses suspended microbial flocs to treat organic wastewater.

The existing microbial purification sewage treatment equipment is firstly unable to stir the sewage so that the microorganisms in the activated sludge fully contact and react with the organic matter in the sewage, and the purification speed is slow. Secondly, it is impossible to achieve multi-stage full filtration of impurity particles in the sewage. , is not conducive to sewage treatment, and at the same time it is impossible to recycle activated sludge, which increases the cost of treatment. For this reason, we propose an activated sludge sewage treatment device for water conservancy projects.

Utility model content

The purpose of this utility model is to provide an activated sludge sewage treatment device for water conservancy projects to solve the problem of existing microbial purification sewage treatment devices. First, it is impossible to stir the sewage so that the microorganisms in the activated sludge fully contact and react with the organic matter in the sewage. , the purification speed is slow, and secondly, it is impossible to achieve multi-stage full filtration of impurity particles in sewage, which is not conducive to sewage treatment. At the same time, it is impossible to recycle activated sludge, which increases the cost of treatment.

In order to solve the above technical problems, the present utility model is realized through the following technical solutions:

The utility model is an activated sludge sewage treatment device for water conservancy projects, which includes a base, a filter tank fixedly arranged on the top of the base, an aeration tank and a sedimentation tank. A filtering mechanism is provided inside the filter tank, and a filtering mechanism is provided inside the aeration tank. A reaction mechanism is provided, and a circulation mechanism is provided between the aeration tank and the sedimentation tank;

The filter mechanism includes a fixed frame fixedly arranged inside the filter tank, a slot arranged on the inner wall of the fixed frame, an insert block arranged inside the slot, an installation frame fixedly connected to the side of the insert block, and an installation frame arranged on the installation frame. Filter screen, the installation frame is composed of several T-shaped frames, there are several filter screens, and several of the filter screens are respectively arranged inside the corresponding installation frames;

The reaction mechanism includes a partition inside the aeration tank, a first rotating rod and a second rotating rod movably arranged inside the partition, and a first blade fixedly arranged on the outer surfaces of the first rotating rod and the second rotating rod; The second blade, the first rotating rod and the second rotating rod are symmetrically arranged inside the aeration tank. There are several groups of the first blades and the second blades, several groups of the first blades and several groups of the second blades. They are all equidistantly arranged, and each of the first blades and the second blades are equidistantly arranged with a number of through holes;

The circulation mechanism includes a circulation pipe fixedly arranged between the aeration tank and the sedimentation tank and a circulation pump arranged on the circulation pipe.

Preferably, a water inlet pipe is fixed on the top of the side of the filter tank, and an opening is provided on the side of the filter tank. The opening corresponds to the filtering mechanism, and a box door is provided inside the opening.

Preferably, a sealing plate is fixedly installed inside the opening of the filter tank, one side of the installation frame is closely attached to the sealing plate, and a through-slot is provided on the sealing plate, and a handle is fixedly connected to the side of the installation frame. , the handle extends through the through slot to the inside of the opening.

Preferably, the top of the partition is provided with activated sludge, and the bottom of the partition is provided with a driving mechanism. The driving mechanism includes a motor provided at the bottom inside the aeration tank, and a driving wheel at the bottom fixedly connected to the end of the motor output shaft. There are two driven wheels that mesh with the driving wheel. The bottom ends of the first rotating rod and the second rotating rod extend downward through the partition and are fixedly connected to the top of the corresponding driven wheel respectively.

Preferably, a first transport pipe is fixedly provided between the filter tank and the aeration tank, a second transport pipe is fixedly provided between the aeration tank and the sedimentation tank, and the first transport pipe and the second transport pipe are A first pump body and a second pump body are provided respectively.

Preferably, a sedimentation chamber is provided at the inner bottom of the sedimentation tank, and one end of the circulation pipe is connected to the interior of the sedimentation chamber.

Preferably, a water outlet pipe is fixedly connected to the side of the sedimentation tank away from the aeration tank.

The utility model has the following beneficial effects:

1. This utility model filters the impurity particles in the sewage through the set filtering mechanism and the set filter screen. It performs multi-stage filtration of the sewage through the set of three sets of filtering mechanisms, and through the inserts set on the inner wall of the fixed frame. The slot and the plug-in block arranged inside the slot facilitate the replacement of the filter. Since the installation frame is composed of multiple T-shaped frames, several filters are equidistantly arranged inside the T-shaped frame, which can prevent impurities in the sewage from accumulating in the T-shaped frame. The surface of the filter ensures the filtering effect and facilitates sewage treatment;

2. This utility model makes the first rotating rod and the second rotating rod rotate relative to each other through the set reaction mechanism and the set driving mechanism, thereby driving the first blade and the second blade to rotate, and reacts to the activated sludge and sewage in the aeration tank. Stirring is performed so that the microorganisms in the activated sludge fully react with the organic matter in the sewage, thereby increasing the purification speed, and the through holes provided on the first blade and the second blade reduce the time when the first blade and the second blade rotate. resistance received;

3. The utility model uses a circulating mechanism and cooperates with the circulation pump and the circulation pipe to transport the activated sludge settled in the sedimentation tank to the aeration tank, thereby realizing the recycling of activated sludge and reducing the treatment cost.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a perspective view of an activated sludge sewage treatment device for water conservancy projects of the present invention;

Figure 2 is a top view of an activated sludge sewage treatment device for water conservancy projects of the present invention;

Figure 3 is a cross-sectional view of the A-A point in Figure 2 of a hydraulic engineering activated sludge wastewater treatment device of the utility model;

Figure 4 is an enlarged view of B in Figure 3 of a hydraulic engineering activated sludge wastewater treatment device of the utility model;

Figure 5 is an enlarged view of C in Figure 3 of a hydraulic engineering activated sludge wastewater treatment device of the utility model;

Figure 6 is a cross-sectional view of D-D in Figure 3 of a water conservancy project activated sludge wastewater treatment device of the utility model;

Figure 7 is an enlarged view of E in Figure 6 of an activated sludge sewage treatment device for water conservancy projects of the present invention.

In the drawings, the parts represented by each number are listed as follows:

1. Base; 2. Filter tank; 3. Aeration tank; 4. Sedimentation tank; 5. Fixed frame; 6. Slot; 7. Insert block; 8. Installation frame; 9. Filter; 10. Partition; 11. First rotating rod; 12. Second rotating rod; 13. First blade; 14. Second blade; 15. Through hole; 16. Circulation pipe; 17. Circulation pump; 18. Sealing plate; 19. Activated sewage Mud; 20. Motor; 21. Driving wheel; 22. Driven wheel; 23. Sedimentation chamber.

Detailed ways

In order to make it easy to understand the technical means, creative features, objectives and effects of the present utility model, the present utility model will be further elaborated below in conjunction with specific implementation modes.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" The orientation or positional relationship indicated by "" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or component referred to must have a specific orientation. Specific orientation construction and operation should not be construed as limitations of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise explicitly stipulated and limited, the terms "installed", "disposed with", "connected", etc. should be understood in a broad sense. For example, "connected" can be fixed The connection may be a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium; it may be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to Figures 1-7, the utility model is an activated sludge sewage treatment device for water conservancy projects, including a base 1, a filter tank 2 fixedly installed on the top of the base 1, an aeration tank 3 and a sedimentation tank 4. The filter tank 2 is provided inside There is a filtering mechanism, a reaction mechanism is provided inside the aeration tank 3, and a circulation mechanism is provided between the aeration tank 3 and the sedimentation tank 4;

The filtering mechanism includes a fixed frame 5 fixedly arranged inside the filter tank 2, a slot 6 arranged on the inner wall of the fixed frame 5, an insert block 7 arranged inside the slot 6, an installation frame 8 fixedly connected to the side of the insert block 7, and The filter 9 is arranged on the installation frame 8. The installation frame 8 is composed of several T-shaped frames. There are several filters 9, and several filters 9 are respectively arranged inside the corresponding installation frame 8. The fixed frame 5 There is an opening on one side, and the filter 9 is inserted inside the fixed frame 5 through the insert block 7 and the slot 6. There are three groups of filtering mechanisms, and the three groups are equidistantly arranged, and the filters in the three filtering mechanisms 9The mesh size gradually decreases from top to bottom;

The reaction mechanism includes a partition 10 inside the aeration tank 3, a first rotating rod 11 and a second rotating rod 12 movable inside the partition 10, and fixedly arranged on the outer surfaces of the first rotating rod 11 and the second rotating rod 12. The first blade 13 and the second blade 14, the first rotating rod 11 and the second rotating rod 12 are arranged left and right symmetrically inside the aeration tank 3. There are several groups of the first blade 13 and the second blade 14, and several groups are arranged. One blade 13 and several sets of second blades 14 are equidistantly arranged, and each first blade 13 and second blade 14 are equidistantly provided with a plurality of through holes 15. The first blade 13 and the second blade 14 are in a spiral shape. It is provided with opposite directions of rotation, and the through hole 15 provided reduces the resistance of the first blade 13 and the second blade 14 when rotating;

The circulation mechanism includes a circulation pipe 16 fixedly arranged between the aeration tank 3 and the sedimentation tank 4 and a circulation pump 17 arranged on the circulation pipe 16. The circulation pump 17 and the circulation pipe 16 are used to cooperate with the activity of the sedimentation in the sedimentation tank 4. The sludge 19 is transported to the inside of the aeration tank 3 .

Among them, a water inlet pipe is fixed on the top of the side of the filter tank 2, and an opening is provided on the side of the filter tank 2. The opening corresponds to the filtering mechanism, and a box door is provided inside the opening. The filter screen 9 can be easily replaced through the door.

Among them, a sealing plate 18 is fixedly installed inside the opening of the filter tank 2. One side of the installation frame 8 is closely attached to the sealing plate 18, and a through slot is provided on the sealing plate 18. A handle is fixedly connected to the side of the installation frame 8, and the handle passes through it. The through slot extends to the inside of the opening.

Among them, activated sludge 19 is provided on the top of the partition 10, and a driving mechanism is provided below the partition 10. The driving mechanism includes a motor 20 provided at the bottom inside the aeration tank 3, and a driving wheel 21 at the bottom fixedly connected to the end of the output shaft of the motor 20. And the driven wheel 22 meshes with the driving wheel 21. There are two driven wheels 22. The bottom ends of the first rotating rod 11 and the second rotating rod 12 extend downward through the partition 10 and are respectively fixed to the top of the corresponding driven wheel 22. The output shaft of the motor 20 drives the driving wheel 21 to rotate, thereby driving the first rotating rod 11 and the second rotating rod 12 to rotate relative to each other through the driven wheel 22 .

Among them, a first delivery pipe is fixedly installed between the filter tank 2 and the aeration tank 3, and a second transportation pipe is fixedly installed between the aeration tank 3 and the sedimentation tank 4, and the first transportation pipe and the second transportation pipe are respectively A first pump body and a second pump body are provided. The first conveying pipe cooperates with the first pump body so that the sewage in the filter tank 2 enters the inside of the aeration tank 3 for aeration treatment. The second conveying pipe and the second pump The body cooperates to transport the aerated sewage in the aeration tank 3 to the sedimentation tank 4 for sedimentation.

Among them, a sedimentation chamber 23 is provided at the inner bottom of the sedimentation tank 4, and one end of the circulation pipe 16 is connected with the inside of the sedimentation chamber 23.

Among them, a water outlet pipe is fixedly connected to the side of the sedimentation tank 4 away from the aeration tank 3 .

The working principle of the utility model is: when in use, the sewage is introduced into the filter tank 2 through the water inlet pipe, and the impurity particles in the sewage are filtered through the set filter 9. Filter, and the filter 9 can be easily replaced through the slot 6 provided on the inner wall of the fixed frame 5 and the insert block 7 provided inside the slot 6, and since the installation frame 8 is composed of multiple T-shaped frames, several filters The nets 9 are equidistantly arranged inside the T-shaped frame, which can prevent impurities in the sewage from accumulating on the surface of the filter 9, ensuring the filtration effect and facilitating the sewage treatment. After the filtration is completed, it passes through the first pump body and the first delivery pipe. The sewage is transported to the inside of the aeration tank 3, and the first rotating rod 11 and the second rotating rod 12 are rotated relative to each other through the provided driving mechanism, thereby driving the first blade 13 and the second blade 14 to rotate, thereby affecting the water in the aeration tank 3. The activated sludge 19 and the sewage are stirred, so that the microorganisms in the activated sludge 19 fully contact and react with the organic matter in the sewage, thereby increasing the purification speed, and the through holes 15 provided on the first blade 13 and the second blade 14 reduce the The resistance encountered when the first blade 13 and the second blade 14 rotate is eliminated. After the sewage is purified, it is transported to the inside of the sedimentation tank 4 for sedimentation through the cooperation of the second pump body and the second delivery pipe. The circulation pump 17 and the circulation pipe 16 cooperates with the activated sludge 19 settled in the sedimentation tank 4 to be transported to the aeration tank 3, realizing the recycling of the activated sludge 19 and reducing the treatment cost.

The basic principles and main features of the present utility model and the advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. An activated sludge sewage treatment device for water conservancy projects, including a base (1), a filter tank (2) fixedly installed on the top of the base (1), an aeration tank (3) and a sedimentation tank (4), characterized by: : A filtering mechanism is provided inside the filter tank (2), a reaction mechanism is provided inside the aeration tank (3), and a circulation mechanism is provided between the aeration tank (3) and the sedimentation tank (4); The filtering mechanism includes a fixed frame (5) fixedly provided inside the filter tank (2), a slot (6) provided on the inner wall of the fixed frame (5), and an insert block (7) provided inside the slot (6). ), an installation frame (8) fixedly connected to the side of the plug-in block (7), and a filter screen (9) provided on the installation frame (8). The installation frame (8) is composed of several T-shaped frames, There are several filter screens (9), and several of the filter screens (9) are respectively arranged inside the corresponding installation frames (8); The reaction mechanism includes a partition (10) inside the aeration tank (3), a first rotating rod (11) and a second rotating rod (12) movable inside the partition (10), and a first rotating rod (12) fixedly installed on the first rotating rod. The first blade (13) and the second blade (14) on the outer surface of the rotating rod (11) and the second rotating rod (12). The first rotating rod (11) and the second rotating rod (12) are in left and right directions. Symmetrically arranged inside the aeration tank (3), there are several groups of first blades (13) and second blades (14), and several groups of first blades (13) and several groups of second blades (14) are arranged in a Arranged at equidistant intervals, and each of the first blades (13) and second blades (14) has a plurality of through holes (15) equidistantly arranged; The circulation mechanism includes a circulation pipe (16) fixedly arranged between the aeration tank (3) and the sedimentation tank (4) and a circulation pump (17) arranged on the circulation pipe (16). 2. A water conservancy project activated sludge wastewater treatment device according to claim 1, characterized in that a water inlet pipe is fixed on the top of the side of the filter tank (2), and an opening is provided on the side of the filter tank (2). , the opening corresponds to the filtering mechanism, and a box door is provided inside the opening. 3. A water conservancy project activated sludge wastewater treatment device according to claim 2, characterized in that a sealing plate (18) is fixedly installed inside the opening of the filter tank (2), and the installation frame (8) is The side is in close contact with the sealing plate (18), and the sealing plate (18) is provided with a through slot. A handle is fixedly connected to the side of the installation frame (8), and the handle extends through the through slot to the opening. internal. 4. A water conservancy project activated sludge sewage treatment device according to claim 3, characterized in that activated sludge (19) is provided at the top of the partition (10), and activated sludge (19) is provided below the partition (10). There is a driving mechanism, which includes a motor (20) arranged at the bottom of the inside of the aeration tank (3), a driving wheel (21) at the bottom fixedly connected to the end of the output shaft of the motor (20), and a driving wheel (21) connected to the driving wheel (21). Engaged driven wheels (22), there are two driven wheels (22), the bottom ends of the first rotating rod (11) and the second rotating rod (12) extend downward through the partition (10), and respectively Fixedly connected to the top of the corresponding driven wheel (22). 5. A water conservancy project activated sludge wastewater treatment device according to claim 4, characterized in that a first conveying pipe is fixedly arranged between the filter tank (2) and the aeration tank (3), and the A second delivery pipe is fixed between the aeration tank (3) and the sedimentation tank (4), and a first pump body and a second pump body are respectively provided on the first delivery pipe and the second delivery pipe. 6. A water conservancy project activated sludge wastewater treatment device according to claim 1, characterized in that a sedimentation chamber (23) is provided at the inner bottom of the sedimentation tank (4), and one end of the circulation pipe (16) is connected to The sedimentation chamber (23) is internally connected. 7. An activated sludge wastewater treatment device for water conservancy projects according to claim 6, characterized in that a water outlet pipe is fixedly connected to the side of the sedimentation tank (4) away from the aeration tank (3).