Sewage biological membrane treatment device with mechanical grids connected in series

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a sewage biological membrane treatment device of a serial mechanical grid, which comprises a biological membrane reaction tank, a serial mechanical grid body is arranged on the inner wall of the biological membrane reaction tank, and an anti-aggregation mechanism is arranged in the biological membrane reaction tank. The anti-gathering mechanism comprises a motor, a transmission belt, transmission wheels, lead screws, a stirring plate, a cleaning wiping plate and a limiting plate, through the arranged anti-gathering mechanism, an operator can start the motor, the output end of the motor drives the transmission belt to rotate, so that the two transmission wheels drive the two lead screws to rotate correspondingly, and the two lead screws drive the stirring plate to reciprocate; water in the biological membrane reaction tank can flow, the biological membrane can be promoted to be in full contact with organic matter in sewage, the sewage treatment efficiency of the biological membrane is improved, a stirring plate drives a cleaning wiping plate to clean the surface of the biological membrane reactor to a certain degree, and the sewage treatment efficiency is improved. And excessive suspended matters or microbial metabolites are prevented from polymerizing and blocking the side wall of the biological membrane.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a sewage biofilm treatment device connected in series with a mechanical grille. Background Art

[0002] The sewage biofilm treatment device with a series mechanical screen is a device that uses a combination of physical filtration and biological treatment to purify sewage. The mechanical screen can remove large solid matter in the sewage, such as floating objects and suspended matter, and the biofilm can be used to remove organic matter in the sewage that can be degraded by microorganisms. The purified water is introduced into the clean water tank through a water pump, thereby achieving the purpose of sewage treatment.

[0003] According to the Chinese patent authorization announcement: CN 207391206U, a multi-stage biofilm treatment device for industrial wastewater is disclosed, which includes a module electric control box, a wastewater biofilm treatment box, a module distribution column pipe, a liquid level observation window, a distribution wire, a fastening flange, a diversion switch valve, a wastewater conduit, a T-type reversing valve, a filter water pump, a multi-stage membrane bioreactor cabinet, a primary biofilm reaction tank, a pumping and water exchange rack, a reaction tank partition, a resonance disk control conduit, a secondary biofilm reaction tank, and a multi-stage membrane bioreactor cylinder. The module electric control box is composed of a module button, a module button shell, a module electric control box door, a module electric control box body, and an electric control box nameplate. Through the modular electrical control box, different treatment processes for different industrial wastewaters are pre-set, and the biofilm for wastewater treatment is controlled to perform multi-stage coordinated treatment, making the biofilm reaction equipment more diversified and efficient. However, the treatment device still has shortcomings. Although it can treat different sewage, it is difficult for organic pollutants in the sewage to fully contact the biofilm, and some suspended matter in the sewage or metabolic products of the biofilm will be adsorbed and accumulated around the biofilm, hindering the degradation of organic pollutants in the sewage by the biofilm or even blocking the biofilm, thereby reducing the sewage treatment efficiency of the biofilm. Summary of the invention

[0004] In view of the shortcomings of the prior art, the utility model provides a sewage biofilm treatment device with a series mechanical grid, which solves the problem that organic pollutants in sewage are difficult to fully contact with the biofilm, and some suspended matter in the sewage or metabolic products of the biofilm will be adsorbed and accumulated around the biofilm, hindering the degradation of organic pollutants in the sewage by the biofilm or even clogging the biofilm.

[0005] The utility model discloses a sewage biofilm treatment device with a series mechanical grille, comprising a biofilm reaction tank, characterized in that the inner wall of the biofilm reaction tank is provided with a series mechanical grille body, the interior of the biofilm reaction tank is provided with an anti-aggregation mechanism, two biofilm reactors are provided inside the biofilm reaction tank, a clear water tank is provided on one side of the biofilm reaction tank, and a reminder mechanism is fixed on the clear water tank, wherein:

[0006] The anti-aggregation mechanism includes a motor, a transmission belt, a transmission wheel, a screw, a stirring plate, a cleaning wiper and a limit plate. The three transmission wheels are equidistantly connected to the front of the biofilm reaction tank. The backs of the two outer transmission wheels are fixedly connected with screws. The inner walls of the two stirring plates are fixedly connected with a plurality of stirring rods. The middle parts of the two screws are threadedly connected with stirring plates. The inner sides of the two stirring plates are snap-connected with cleaning wipers. A transmission belt is sleeved between the three transmission wheels.

[0007] A water pump is provided on the top of each of the two biofilm reactors, the water inlet of the water pump is connected to the biofilm reactor, and the water outlet of the water pump is fixedly connected to a transmission pipe;

[0008] The reminder mechanism includes a cover plate, a filter box, a filter plate, a reminder box, a trigger rod, a compression spring, a sealing plate, a display panel and a reminder slot. Two filter plates are vertically slidably connected to the interior of the filter box. The bottom end of the filter box is snap-connected with a reminder box. The inner wall of the reminder box is fixedly connected with a sealing plate. The bottom ends of the two filter plates are fixedly connected with a trigger rod. The outer walls of the trigger rods are sleeved with compression springs. One end of the trigger rod passes through the sealing plate. The bottom end of the trigger rod is fixedly connected with a display panel. The display panel is slidably connected to the inner wall of the reminder box. Two reminder slots are provided on the front of the reminder box.

[0009] The back of the series mechanical grille body is fixedly connected to a collecting box, the bottom of the collecting box is fixedly connected to two connecting rods, one end of the two connecting rods is fixedly connected to the back of the biofilm reaction tank, the front of the biofilm reaction tank is fixedly connected to a water inlet pipe, and the back of the clean water tank is fixedly connected to a water outlet pipe.

[0010] One end of the two screw rods is rotatably connected to a limiting plate, and both ends of the limiting plate are respectively fixedly connected to the inner wall of the biofilm reaction tank.

[0011] The motor is fixedly connected to the front side of the biofilm reaction tank, and the output end of the motor is fixedly connected to the front side of a middle transmission wheel.

[0012] The inner sides of the two cleaning wipers are respectively attached to the side walls of the two biofilm reactors, and the bottom ends of the two stirring plates are slidably connected to the inner wall of the bottom end of the biofilm reaction tank.

[0013] The bottom ends of the two transmission pipes are fixedly connected to support rods, and the bottom ends of the two support rods are fixedly connected to the top of the clear water tank.

[0014] The bottom end of the compression spring is fixedly connected to the top end of the sealing plate, and the top end of the compression spring is fixedly connected to the inner side of the top end of the trigger rod.

[0015] The top of the filter box is snap-connected with a cover plate, one end of the display plate passes through the reminder slot and is slidably connected with the reminder slot, and the side wall of the filter box is fixedly connected with two branch pipes.

[0016] The utility model provides a sewage biofilm treatment device connected in series with a mechanical grille, which has the following beneficial effects compared with the prior art:

[0017] 1. In the utility model, the operator starts the motor through the anti-aggregation mechanism, and the output end of the motor drives the transmission belt to rotate, so that the two transmission wheels respectively drive the two screws to rotate, and the two screws drive the stirring plate to reciprocate, so that the water inside the biofilm reaction tank can flow, which can promote the full contact between the biofilm and the organic matter in the sewage, improve the sewage treatment efficiency of the biofilm, and the stirring plate drives the cleaning wiper to clean the surface of the biofilm to a certain extent, avoiding excessive suspended matter or microbial metabolites from aggregating and clogging the side wall of the biofilm;

[0018] 2. In the utility model, through the reminder mechanism, the water pump transports the water purified by the biofilm reactor to the transmission pipe, and the purified water then passes through two filter plates, which can filter the suspended matter in the water. When the suspended matter on the filter plates accumulates to a certain extent, the position of the filter plates will drop due to the increase in weight. The dropped filter plates can drive the trigger rod to squeeze the compression spring, and one end of the trigger rod drives the display panel to drop in the reminder slot, which can remind the operator to replace the current filter plate in time to avoid the decrease in filtering effect due to clogging of the filter plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 2 It is a schematic diagram of the right side structure of the utility model.

[0021] Figure 3 To remind the internal structure diagram of the organization.

[0022] Figure 4 This is an enlarged view of point A.

[0023] Figure 5 This is an enlarged view of point B.

[0024] Figure 6 Schematic diagram of the anti-aggregation mechanism structure.

[0025] Legend:

[0026] 1. Series mechanical grille body; 2. Collection box; 3. Connecting rod; 4. Clean water tank; 5. Reminding mechanism; 501. Cover plate; 502. Filter box; 503. Filter plate; 504. Reminding box; 505. Trigger rod; 506. Compression spring; 507. Sealing plate; 508. Display board; 509. Reminding slot; 6. Anti-aggregation mechanism; 601. Motor; 602. Drive belt; 603. Drive wheel; 604. Screw rod; 605. Stirring plate; 606. Cleaning wiper plate; 607. Limiting plate; 8. Water pump; 9. Biofilm reaction tank; 10. Transmission pipe; 11. Branch pipe; 12. Support rod; 13. Biofilm reactor; 14. Water inlet pipe; 15. Water outlet pipe. DETAILED DESCRIPTION

[0027] Embodiment 1: A sewage biofilm treatment device with a series mechanical grille includes a biofilm reaction tank 9, the inner wall of the biofilm reaction tank 9 is provided with a series mechanical grille 1, the interior of the biofilm reaction tank 9 is provided with an anti-aggregation mechanism 6, the anti-aggregation mechanism 6 includes a motor 601, a transmission belt 602, a transmission wheel 603, a screw 604, a stirring plate 605, a cleaning wiper 606 and a limit plate 607, the three transmission wheels 603 are all rotatably connected to the front of the biofilm reaction tank 9, the backs of the two transmission wheels 603 are fixedly connected with screws 604, the middle parts of the two screws 604 are threadedly connected with stirring plates 605, the inner wall of the stirring plate 605 is fixedly connected with a plurality of stirring rods, which can break the floating granular organic matter that has aggregated into blocks. The two stirring plates 605 are connected on the inner side with cleaning wipers 606, which can clean the surface of the biofilm to a certain extent, so as to avoid excessive suspended matter or microbial metabolites from aggregating and clogging the biofilm reactor 13. A transmission belt 602 is sleeved between the three transmission wheels 603. Two biofilm reactors 13 are arranged inside the biofilm reaction tank 9. A clean water tank 4 is arranged on one side of the biofilm reaction tank 9. Water pumps 8 are arranged on the tops of the two biofilm reactors 13. There are multiple pores on the biofilm, and a certain density of microorganisms capable of degrading organic matter in sewage are attached to the surface of the pores. In cooperation with the water pump 8, the suction generated by the water pump 8 transmits the water passing through the pores to the transmission pipe 10, the water inlet of the water pump 8 is connected to the biofilm reactor 13, the water outlet of the water pump 8 is fixedly connected to the transmission pipe 10, the bottom end of the series mechanical grille body 1 is fixedly connected to the collecting box 2, the bottom end of the collecting box 2 is fixedly connected to two connecting rods 3, one end of the two connecting rods 3 is fixedly connected to the back of the biofilm reaction tank 9, the front of the biofilm reaction tank 9 is fixedly connected to the water inlet pipe 14, and the sewage can be sent into the biofilm reaction tank 9 through the water inlet pipe 14, the back of the clean water tank 4 is fixedly connected to the water outlet pipe 15, and the treated water can be discharged by opening the water outlet pipe 15, one end of the two screw rods 604 is rotatably connected to the limiting plate 607, and the limiting plate 607 can provide support for the screw rod 604 while limiting the screw rod 604. The two ends of the limit plate 607 are respectively fixedly connected to the inner wall of the biofilm reaction tank 9, the motor 601 is fixedly connected to the front of the biofilm reaction tank 9, the output end of the motor 601 is fixedly connected to the front of another transmission wheel 603, the inner sides of the two cleaning wipers 606 are respectively attached to the side walls of the two biofilm reactors 13, the bottom ends of the two stirring plates 605 are slidably connected to the inner wall of the bottom end of the biofilm reaction tank 9, the bottom ends of the two transmission tubes 10 are fixedly connected to the support rod 12, and the bottom ends of the two support rods 12 are fixedly connected to the top of the clean water tank 4. It should be noted that the series mechanical grille 1 can drive the floating objects and suspended objects in the biofilm reaction tank 9 to rise, and then send the rising floating objects and suspended objects to the collection box 2.

[0028] During operation, the operator starts the motor 601, and the output end of the motor 601 drives the transmission belt 602 to rotate, so that the two transmission wheels 603 respectively drive the two screw rods 604 to rotate, and the threads on the screw rods 604 can drive the stirring plate 605 to reciprocate, so that the water inside the filter tank 9 can flow, promote the full contact between the biofilm and the organic matter in the sewage, thereby improving the sewage treatment efficiency of the biofilm reactor 13, and the stirring plate 605 drives the cleaning wiper 606 to clean the side wall of the biofilm reactor 13 to a certain extent, avoiding excessive suspended matter or microbial metabolites from aggregating and clogging the biofilm, affecting its treatment effect.

[0029] Embodiment 2: On the basis of embodiment 1, a reminder mechanism 5 is provided on one side of the transmission pipe 10, and the reminder mechanism 5 includes a cover plate 501, a filter box 502, a filter plate 503, a reminder box 504, a trigger rod 505, a compression spring 506, a sealing plate 507, a display panel 508 and a reminder slot 509. The interior of the filter box 502 is vertically slidably connected with two filter plates 503, the bottom end of the filter box 502 is snap-connected with the reminder box 504, the inner wall of the reminder box 504 is fixedly connected with the sealing plate 507, the bottom ends of the two filter plates 503 are fixedly connected with the trigger rod 505, the outer wall of the trigger rod 505 is sleeved with a compression spring 506, the compression spring 506 can provide a certain support for the filter plate 503 to prevent the water flow from impacting the filter plate 503, thereby causing the filter plate 503 to drop, and one end of the trigger rod 505 penetrates the sealing The display panel 508 is brightly colored to attract the operator's attention. The display panel 508 is slidably connected to the inner wall of the reminder box 504. The front of the reminder box 504 is provided with two reminder slots 509. When the operator observes that the display panel 508 is placed at the bottom of the inner wall of the reminder slot 509, it means that the current filter plate 503 is too heavy, and there are many suspended solids trapped on its surface, which needs to be replaced in time. The bottom end of the compression spring 506 is fixedly connected to the top of the sealing plate 507, and the top of the compression spring 506 is fixedly connected to the inner side of the top of the trigger rod 505. The top of the filter box 502 is snap-connected with the cover plate 501. One end of the display panel 508 passes through the reminder slot 509 and is slidably connected to the reminder slot 509. The side wall of the filter box 502 is fixedly connected with two branch pipes 11.

[0030] The water pump 8 transports the water purified by the biofilm reactor 13 to the transmission pipe 10. The purified water passes through two filter plates 503. The filter plates 503 can filter the suspended matter in the water. When the suspended matter on the filter plates 503 accumulates to a certain extent, the weight of the filter plates 503 increases, thereby causing its position to drop. The dropped filter plate 503 can drive the trigger rod 505 to squeeze the compression spring 506. One end of the trigger rod 505 drives the display panel 508 to drop in the reminder slot 509, which can remind the operator to replace the current filter plate 503 in time to avoid a decrease in the filtering effect due to blockage of the filter plate 503.

Claims

1. A sewage biofilm treatment device with a series mechanical grid, comprising a biofilm reaction tank (9), characterized in that The inner wall of the biofilm reaction pool (9) is provided with a series-connected mechanical grid body (1), the interior of the biofilm reaction pool (9) is provided with an anti-aggregation mechanism (6), the interior of the biofilm reaction pool (9) is provided with two biofilm reactors (13), one side of the biofilm reaction pool (9) is provided with a clear water pool (4), and a reminder mechanism (5) is fixed on the clear water pool (4), wherein: The anti-aggregation mechanism (6) comprises a motor (601), a transmission belt (602), a transmission wheel (603), a screw (604), a stirring plate (605), a cleaning wiper (606) and a limit plate (607); the three transmission wheels (603) are equidistantly rotatably connected to the front of the biofilm reaction tank (9); the backs of the two outer transmission wheels (603) are fixedly connected to the screws (604); the inner walls of the two stirring plates (605) are fixedly connected to a plurality of stirring rods (608); the middle parts of the two screws (604) are threadedly connected to the stirring plates (605); the inner sides of the two stirring plates (605) are snap-fittedly connected to the cleaning wiper (606); and a transmission belt (602) is sleeved between the three transmission wheels (603); A water pump (8) is disposed on the top of each of the two biofilm reactors (13); a water inlet of the water pump (8) is connected to the biofilm reactor (13); and a water outlet of the water pump (8) is fixedly connected to a transmission pipe (10); The reminder mechanism (5) comprises a cover plate (501), a filter box (502), a filter screen plate (503), a reminder box (504), a trigger rod (505), a compression spring (506), a sealing plate (507), a display panel (508) and a reminder slot (509); the interior of the filter box (502) is vertically slidably connected to two filter screen plates (503); the bottom end of the filter box (502) is snap-connected to the reminder box (504); and the inner wall of the reminder box (504) is fixedly connected to the inner wall of the reminder box (504). A sealing plate (507) is connected, the bottom ends of the two filter plates (503) are fixedly connected to a trigger rod (505), the outer wall of the trigger rod (505) is sleeved with a compression spring (506), one end of the trigger rod (505) passes through the sealing plate (507), the bottom end of the trigger rod (505) is fixedly connected to a display panel (508), the display panel (508) is slidably connected to the inner wall of the reminder box (504), and the front of the reminder box (504) is provided with two reminder grooves (509).

2. A sewage biofilm treatment device with a series mechanical grid according to claim 1, characterized in that: The back of the series mechanical grille body (1) is fixedly connected to a collecting box (2), the bottom end of the collecting box (2) is fixedly connected to two connecting rods (3), one end of the two connecting rods (3) is fixedly connected to the back of the biofilm reaction tank (9), the front of the biofilm reaction tank (9) is fixedly connected to a water inlet pipe (14), and the back of the clean water tank (4) is fixedly connected to a water outlet pipe (15).

3. The sewage biofilm treatment device with a series mechanical grid according to claim 1 is characterized by: One end of the two screw rods (604) is rotatably connected to a limit plate (607), and both ends of the limit plate (607) are respectively fixedly connected to the inner wall of the biofilm reaction tank (9).

4. The sewage biofilm treatment device with a series mechanical grid according to claim 1 is characterized by: The motor (601) is fixedly connected to the front side of the biofilm reaction tank (9), and the output end of the motor (601) is fixedly connected to the front side of a middle transmission wheel (603).

5. The sewage biofilm treatment device with a series mechanical grid according to claim 1 is characterized by: The inner sides of the two cleaning wipers (606) are respectively attached to the side walls of the two biofilm reactors (13), and the bottom ends of the two stirring plates (605) are slidably connected to the inner wall of the bottom end of the biofilm reaction tank (9).

6. The sewage biofilm treatment device with a series mechanical grid according to claim 1, characterized in that: The bottom ends of the two transmission pipes (10) are fixedly connected to support rods (12), and the bottom ends of the two support rods (12) are fixedly connected to the top of the clear water tank (4).

7. The sewage biofilm treatment device with a series mechanical grid according to claim 1, characterized in that: The bottom end of the compression spring (506) is fixedly connected to the top end of the sealing plate (507), and the top end of the compression spring (506) is fixedly connected to the inner side of the top end of the trigger rod (505).

8. The sewage biofilm treatment device with a series mechanical grid according to claim 1 is characterized by: The top end of the filter box (502) is snap-connected with a cover plate (501), one end of the display panel (508) passes through the reminder slot (509) and is slidably connected to the reminder slot (509), and the side wall of the filter box (502) is fixedly connected with two branch pipes (11).

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