Fermentation wastewater sludge conditioning device

Abstract

The utility model provides a fermentation wastewater sludge conditioning device, which relates to the field of sewage treatment and comprises a sewage conditioning tank, the sewage conditioning tank is provided with an inlet and a discharge port, one end of the outlet far away from the sewage conditioning tank is communicated with a sludge threaded pump, and one end of the sludge threaded pump far away from the discharge port is connected and communicated with a filter press. According to the fermentation wastewater sludge conditioning device, the stirring blades are arranged for stirring to be fully mixed with a conditioning agent, the mixture is discharged into the filter press through the sludge threaded pump, the filter press discharges press filtrate into the press filtrate buffer tank, and the press filtrate is discharged outwards after the press filtrate buffer tank is filled with the press filtrate; part of pressure filtration liquid is extruded into the feeding mechanism through the spraying pump, a sealing gasket supplies a conditioning agent in a supply hopper to be mixed with the pressure filtration liquid through rotation, and sewage is sprayed through a spraying pipe, so that part of conditioning agent solution which is not completely used returns to the sewage conditioning tank again to be adjusted; the use of the regulator can be reduced, and waste is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a fermentation wastewater sludge conditioning device. Background Art

[0002] With the increasing discharge of fermentation wastewater, the treatment rate of fermentation sewage is increasing year by year, and the sludge production of fermentation wastewater treatment plants has also increased sharply. The sludge contains a large amount of water. Therefore, before treating the sludge, the sludge needs to be conditioned to improve its dewatering performance.

[0003] In a feeding structure of a sludge tank feeder disclosed in the Chinese invention patent application publication specification CN218573421U, it includes a fixed box. A stirring box is arranged inside the fixed box, a control component is arranged inside the fixed box, a feeding component is arranged inside the fixed box, and a stirring component is arranged inside the stirring box. The control component includes a first motor fixedly installed on the left inner wall of the fixed box cavity. The output shaft of the first motor is fixedly installed with a rotating rod, an eccentric wheel is fixedly installed on the outer side of the rotating rod, and a fixing plate is fixedly installed on the left side of the stirring box.

[0004] Through the mutual cooperation of the control component and the feeding component, the rate of the regulator entering the sludge tank in the feeding structure can be controlled. Through the stirring component, the regulator can react with the sludge to make the sludge fully purified and solidified, greatly improving the efficiency of physical treatment. However, in the actual production process, foam will be generated during the stirring of fermentation sludge. In order to avoid foam overflowing from the tank, an excessive amount of defoamer and other excessive regulators will be added. Through the above treatment method, some reagents that are not fully used are discharged to the sewage treatment together, resulting in waste. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a fermentation wastewater sludge conditioning device, which solves the problem that the excessively input reagents cannot be recycled as proposed in the background art.

[0006] Technical Solution

[0007] To achieve the above objectives, the utility model is realized through the following technical solutions: A fermentation wastewater sludge conditioning device includes a sewage conditioning tank. The sewage conditioning tank is provided with an inlet and a drain outlet. One end of the outlet far away from the sewage conditioning tank is communicated with a sludge screw pump. One end of the sludge screw pump far away from the drain outlet is connected and penetrated with a filter press. The water outlet end of the filter press is connected and penetrated with a filtrate buffer tank. The outlet of the filtrate buffer tank discharges the filtrate outward. A spray pump is fixedly installed above the filtrate buffer tank. A feeding mechanism is arranged above the interior of the sewage conditioning tank. The spray pump is connected and penetrated with the feeding mechanism. The outlet end of the feeding mechanism is connected and penetrated with a spray pipe.

[0008] Furthermore, a rotating shaft is rotatably connected inside the sewage conditioning tank. Stirring blades are fixedly installed on the outer surface of the rotating shaft. The spray pipe is fixedly installed on the outer surface of the rotating shaft. A rotating ring is connected and penetrated above the spray pipe. The rotating ring is connected and penetrated with the feeding mechanism.

[0009] Furthermore, an internal gear is fixedly installed on the outer surface of the rotating shaft. An external gear ring is sleeved on the outer surface of the rotating shaft. The internal gear and the external gear ring are connected by a transmission gear in transmission. The transmission gear is limitedly sleeved on the outer surface of the rotating shaft. The external gear ring is fixedly connected to the spray pipe.

[0010] Furthermore, the feeding mechanism includes a housing. A sealing gasket is rotatably connected inside the housing. A notch is provided at the edge of the sealing gasket. A connecting pipe is connected and penetrated on one side of the housing. A feeding hopper is connected and penetrated above the end of the housing away from the connecting pipe. A motor is fixedly installed at the bottom of the housing. The output end of the motor is fixedly connected to the sealing gasket.

[0011] Furthermore, a sleeve ring is connected and penetrated at the water outlet end of the feeding mechanism. A stirring wheel is rotatably connected inside the sleeve ring. An impact rotating wheel is fixedly installed on the water-facing surface of the stirring wheel.

[0012] Furthermore, a bearing groove protrudes outward above the sewage conditioning tank. A support ring is rotatably connected inside the bearing groove. The support ring is fixedly connected to the spray pipe.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. For this fermentation wastewater sludge conditioning device, by setting stirring blades for stirring and fully mixing with the conditioner, and discharging it to the inside of the filter press through a sludge screw pump. The filter press discharges the filtrate into the filtrate buffer tank. After the filtrate buffer tank is filled with the filtrate, it is discharged outward. Part of the filtrate is squeezed into the inside of the feeding mechanism through a spray pump. The sealing gasket rotates to supply the conditioner in the feeding hopper to be mixed with the filtrate, and sprays the sewage through the spray pipe, so that part of the conditioner solution that has not been fully used returns to the sewage conditioning tank for adjustment again, which can reduce the use of the conditioner and avoid waste.

[0015] 2. For this fermentation wastewater sludge conditioning device, the feeding mechanism set includes a housing. A sealing gasket is rotatably connected inside the housing. A notch is provided at the edge of the sealing gasket. A connecting pipe is connected and penetrated on one side of the housing. A feeding hopper is connected and penetrated above the end of the housing away from the connecting pipe. A motor is fixedly installed at the bottom of the housing. The output end of the motor is fixedly connected to the sealing gasket. Through such a setting, the conditioner can be transferred to the spraying part, and the feeding amount of the conditioner can be controlled by controlling the rotation speed of the motor. Description of the Drawings

[0016] Figure 1 This is a schematic structural diagram of the present utility model;

[0017] Figure 2 This is a schematic diagram of the connection of the rotating shaft of the present utility model;

[0018] Figure 3 This is a schematic diagram of the connection of the collar of the present utility model;

[0019] Figure 4 This is a half-sectional schematic diagram of the feeding mechanism of the present utility model.

[0020] Among them, 1. Sewage conditioning tank; 2. Inlet; 3. Drain port; 4. Sludge screw pump; 5. Filter press; 6. Filtered liquid buffer tank; 7. Feeding mechanism; 8. Spray pipe; 9. Rotating shaft; 10. Stirring blade; 11. Rotating ring; 12. Internal gear; 13. External toothed ring; 14. Driving gear; 15. Spray pump; 16. Collar; 17. Stirring wheel; 18. Impact rotating wheel; 19. Bearing groove; 20. Support ring; 701. Housing; 702. Sealing gasket; 703. Notch; 704. Connecting pipe; 705. Feeding hopper; 706. Motor. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Refer to Figures 1-4 , a fermentation wastewater sludge conditioning device, including a sewage conditioning tank 1, the sewage conditioning tank 1 is provided with an inlet 2 and a drain port 3, one end of the outlet far from the sewage conditioning tank 1 is communicated with a sludge screw pump 4, one end of the sludge screw pump 4 far from the drain port 3 is connected and penetrated with a filter press 5, the water outlet end of the filter press 5 is connected and penetrated with a filtered liquid buffer tank 6, the outlet of the filtered liquid buffer tank 6 discharges the filtered liquid outwards, a spray pump 15 is fixedly installed above the filtered liquid buffer tank 6, a feeding mechanism 7 is arranged above the inside of the sewage conditioning tank 1, the spray pump 15 is connected and penetrated with the feeding mechanism 7, and the outlet end of the feeding mechanism 7 is connected and penetrated with a spray pipe 8.

[0023] Inside the sewage conditioning tank 1, a rotating shaft 9 is rotatably connected. On the outer surface of the rotating shaft 9, stirring blades 10 are fixedly installed. A spray pipe 8 is fixedly installed on the outer surface of the rotating shaft 9. Above the spray pipe 8, a rotating ring 11 is connected and penetrated. The rotating ring 11 is connected and penetrated with the feeding mechanism 7. By setting the rotating shaft 9, the stirring blades 10 and the spray pipe 8 can be driven to rotate, so that the conditioner can be fully contacted.

[0024] An internal gear 12 is fixedly installed on the outer surface of the rotating shaft 9. An external gear ring 13 is sleeved on the outer surface of the rotating shaft 9. The internal gear 12 and the external gear ring 13 are drivingly connected through a transmission gear 14. The transmission gear 14 is limitedly sleeved on the outer surface of the rotating shaft 9. The external gear ring 13 is fixedly connected with the spray pipe 8. Through such a setting, the conditioner can be dispersed more evenly.

[0025] The feeding mechanism 7 includes a housing 701. Inside the housing 701, a sealing gasket 702 is rotatably connected. A notch 703 is provided at the edge of the sealing gasket 702. A connecting pipe 704 is connected and penetrated on one side of the housing 701. Above one end of the housing 701 away from the connecting pipe 704, a feeding hopper 705 is connected and penetrated. A motor 706 is fixedly installed at the bottom end of the housing 701. The output end of the motor 706 is fixedly connected with the sealing gasket 702. Through such a setting, the conditioner can be transferred to the spraying part, and the feeding amount of the conditioner can be controlled by controlling the rotation speed of the motor 706.

[0026] The water outlet end of the feeding mechanism 7 is connected and penetrated with a collar 16. Inside the collar 16, a stirring wheel 17 is rotatably connected. An impact rotating wheel 18 is fixedly installed on the water-facing surface of the stirring wheel 17. The impact rotating wheel 18 is driven by the water flow impact to drive the stirring wheel 17 to rotate. Through such a setting, the conditioner and the pressure filtrate can be mixed evenly.

[0027] A bearing groove 19 protrudes outward above the sewage conditioning tank 1. Inside the bearing groove 19, a support ring 20 is rotatably connected. The support ring 20 is fixedly connected with the spray pipe 8. Through such a setting, the spray pipe 8 can be supported.

[0028] During use, the sludge enters the sewage conditioning tank 1, and a specified amount of conditioner including defoamer is manually put in during the first use. The sewage is stirred by the stirring blades 10 and fully mixed with the conditioner, and then discharged into the filter press 5 through the sludge screw pump 4. The filter press 5 discharges the pressure filtrate into the pressure filtrate buffer tank 6, and the dry mud is discharged separately. After the pressure filtrate fills the pressure filtrate buffer tank 6, it is discharged outward. Part of the pressure filtrate is squeezed into the feeding mechanism 7 through the spray pump 15. The sealing gasket 702 rotates to supply the conditioner in the feeding hopper 705 to be mixed with the pressure filtrate, and sprays the sewage through the spray pipe 8, so that part of the conditioner solution that has not been fully used returns to the sewage conditioning tank 1 for adjustment again, which can reduce the use of the conditioner and avoid waste.

[0029] It should be noted that, in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0030] As mentioned above, the above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent replacements or changes, and should be covered by the protection scope of the present utility model.

Claims

1. A fermentation wastewater sludge conditioning device, comprising a sewage conditioning tank (1), characterized in that: The sewage conditioning tank (1) is provided with an inlet (2) and a discharge port (3); the end of the outlet away from the sewage conditioning tank (1) is connected to a sludge threaded pump (4); the end of the sludge threaded pump (4) away from the discharge port (3) is connected to and penetrates a filter press (5); the water outlet of the filter press (5) is connected to and penetrates a filter press buffer tank (6); the outlet of the filter press buffer tank (6) discharges filter press liquid to the outside; a spray pump (15) is fixedly installed above the filter press buffer tank (6); A delivery mechanism (7) is arranged on the upper part of the sewage conditioning tank (1), a spray pump (15) is connected to and penetrates the delivery mechanism (7), and a spray pipe (8) is connected to and penetrates the outlet end of the delivery mechanism (7).

2. The fermentation wastewater sludge conditioning device according to claim 1, wherein: The sewage conditioning tank (1) is rotatably connected to a rotating shaft (9) inside, a stirring blade (10) is fixedly mounted on the outer surface of the rotating shaft (9), a spray pipe (8) is fixedly mounted on the outer surface of the rotating shaft (9), a rotating ring (11) is connected to and penetrates the top of the spray pipe (8), and the rotating ring (11) is connected to and penetrates the delivery mechanism (7).

3. The fermentation wastewater sludge conditioning device according to claim 2, characterized in that: An internal gear (12) is fixedly mounted on the outer surface of the rotating shaft (9), an external gear ring (13) is sleeved on the outer surface of the rotating shaft (9), the internal gear (12) and the external gear ring (13) are connected in transmission via a transmission gear (14), the transmission gear (14) is limitedly sleeved on the outer surface of the rotating shaft (9), and the external gear ring (13) is fixedly connected to the spray pipe (8).

4. A fermentation wastewater sludge conditioning device according to claim 1 or 3, characterized in that: The delivery mechanism (7) comprises a shell (701), a sealing gasket (702) is rotatably connected inside the shell (701), a notch (703) is provided on the edge of the sealing gasket (702), a connecting pipe (704) is connected to and penetrates one side of the shell (701), a feeding hopper (705) is connected to and penetrates the upper end of the shell (701) away from the connecting pipe (704), a motor (706) is fixedly installed at the bottom end of the shell (701), and the output end of the motor (706) is fixedly connected to the sealing gasket (702).

5. A fermentation wastewater sludge conditioning device according to claim 4, characterized in that: The water outlet end of the delivery mechanism (7) is connected to and penetrated by a collar (16), the interior of the collar (16) is rotatably connected to a stirring wheel (17), and an impact rotating wheel (18) is fixedly mounted on the water-facing surface of the stirring wheel (17).

6. The fermentation wastewater sludge conditioning device according to claim 5, wherein: The upper portion of the sewage conditioning tank (1) protrudes outward to form a bearing groove (19), and a support ring (20) is rotatably connected inside the bearing groove (19), and the support ring (20) is fixedly connected to the spray pipe (8).

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