CN110668660A - High-efficient biological compound strengthening microfiltration clarification integration equipment - Google Patents

Abstract

The invention discloses efficient biological composite reinforced microfiltration and clarification integrated equipment, which belongs to the field of sewage treatment and comprises a mounting frame, a biological treatment box, a flocculation and sedimentation box, a motor I, a speed reducer, a transmission pipe, a transmission gear, a stirring gear, a pipe frame, a stirring air supply pipe, baffles, a microfiltration mechanism and a backwashing mechanism, wherein the transmission pipe is rotatably arranged on the upper surface of the biological treatment box, the pipe frame is arranged on the transmission pipe, the inner part of the pipe frame is communicated with the transmission pipe, a plurality of stirring air supply pipes are arranged on the pipe frame and are communicated with the inner part of the pipe frame, and a plurality of baffles are arranged in the flocculation and sedimentation box in a. The invention uses the motor to drive the stirring air pipe, and the MBBR carrier in the biological treatment box is stirred and aerated at the same time, so the complexity of the equipment is reduced, and the micro-filtration and back-washing structure can filter the flocculated sewage and can automatically carry out back washing.

Description

High-efficient biological compound strengthening microfiltration clarification integration equipment

Technical Field

The invention relates to the field of sewage treatment, in particular to high-efficiency biological composite reinforced microfiltration and clarification integrated equipment.

Background

Part three four-wire urban sewage treatment often adopts a plurality of sewage treatment ponds to handle sewage, for example, uses sedimentation tank, advection pond etc. and used equipment area is big, and the construction cost is high, maintains the use cost height, though have some integrated form sewage treatment plant that area is little among the prior art, but the function is single, and uses a large amount of power equipment, and the running cost is high, and it is inconvenient to maintain.

Therefore, the microfiltration and clarification integrated equipment utilizing the high-efficiency biological composite strengthening unit MBBR is provided.

Disclosure of Invention

The invention aims to solve the problems in the background technology, and designs a high-efficiency biological composite reinforced microfiltration and clarification integrated device.

The technical scheme of the invention is that the efficient biological composite reinforced microfiltration and clarification integrated equipment comprises an installation frame, a biological treatment box, a flocculation precipitation box, a motor I, a speed reducer, a transmission pipe, a transmission gear, a stirring gear, a pipe frame, a stirring air supply pipe, a baffle, a microfiltration and backwashing mechanism, a controller positioned outside the equipment and a multi-parameter water quality sensor positioned in the biological treatment box, wherein the biological treatment box is installed on the installation frame, the flocculation precipitation box is installed on the installation frame, is positioned at the rear side of the biological treatment box and is communicated with the lower part of the rear part of the biological treatment box through a pipeline, and a pump and an electric valve are arranged on the pipeline;

the utility model discloses a sewage treatment device, including a biological treatment case, motor one, speed reducer, pipe support, stirring blast pipe, baffle, flocculation and sedimentation tank, motor one is installed on biological treatment case upper portion, the speed reducer is installed in biological treatment case upper portion and is located motor below and a motor hub connection, the rotatable installation of driving pipe is on biological treatment case upper surface, drive gear installs on the speed reducer output shaft, stirring gear suit is on the driving pipe and its and drive gear interlock is connected, the pipe support is installed on the driving pipe and its inside and driving pipe intercommunication, a plurality of the stirring blast pipe is installed on the pipe support and with the inside intercommunication of pipe support, it is a plurality of the baffle is crisscross to be installed in the flocculation and sedimentation tank, microfiltration and back flush mechanism locate on the flocculation and sedimentation tank, install the MBBR carrier on lateral wall and the diapire.

Preferably, microfiltration and back flush mechanism includes filter cloth, guide rail, washing tank, reciprocal lead screw, motor two, drinking-water pipe, the filter cloth is vertical to be installed in flocculation and precipitation case rear side, the vertical installation of guide rail is in flocculation and precipitation incasement and be located filter cloth the place ahead, the washing tank slides the suit on the guide rail, the rotatable vertical installation of reciprocal lead screw is connected with the washing tank interlock in flocculation and precipitation incasement and pass the washing tank, motor two is installed and is connected on the outside upper portion of flocculation and precipitation case and its pivot and reciprocal lead screw, the drinking-water pipe is installed on the washing tank and is passed flocculation and precipitation case upper surface and draw forth.

Preferably, be connected with the suction pump on the drinking-water pipe, the suction pump is installed on the flocculation and precipitation case and its end and the drinking-water pipe intercommunication of drawing water, the suction pump goes out the water end and passes through pipeline and the anterior intercommunication of flocculation and precipitation case, motor two, suction pump are connected with the controller.

Preferably, the cleaning tank is of a rectangular groove-shaped structure, the groove opening direction of the cleaning tank faces towards the filter cloth and is abutted against the filter cloth, and the rear end of the cleaning tank is communicated with the water pumping pipe.

Preferably, the transmission pipe is provided with a rotary joint, and the rotary joint is arranged at the upper end of the transmission pipe.

Preferably, the biological treatment box is provided with an air pump, the air pump is arranged on the upper surface of the biological treatment box, the air outlet end of the air pump is connected with the rotary joint through a pipeline, and the air pump is connected with the controller.

Preferably, the biological treatment box is provided with a vent, and the vent is arranged at the upper part of the biological treatment box.

Preferably, a flocculating agent charging opening is formed in the flocculation precipitation box, and the flocculating agent charging opening is installed on the front side of the upper portion of the flocculation precipitation box.

Preferably, the lower part of the flocculation precipitation tank is of a conical funnel-shaped structure, and the lower end of the flocculation precipitation tank is provided with a mud valve.

Preferably, the pipe frame is composed of a plurality of concentric annular tubular structures which are communicated with each other, and the stirring air supply pipes are uniformly arranged below each tubular structure.

Advantageous effects

The invention provides efficient biological composite reinforced microfiltration and clarification integrated equipment which has the following beneficial effects that through the structural design of the equipment, an MBBR carrier in a biological treatment box is aerated while being stirred by a stirring air supply pipe driven by a motor, the complexity of the equipment is reduced, the motor is used for driving a reciprocating screw to further drive a cleaning tank to move up and down, water opposite to a filter cloth is sucked back by the suction force of a water suction pump, meanwhile, cilia of the filter cloth are upright, backwashing is realized, the filter cloth is further cleaned, and further, the equipment realizes sewage purification and has certain self-cleaning capability.

Drawings

FIG. 1 is a schematic structural diagram of the high-efficiency biological composite reinforced microfiltration and clarification integrated equipment;

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic diagram of a horizontal cross-sectional structure of a cleaning tank of the integrated apparatus for high efficiency biological composite enhanced microfiltration and clarification of the invention;

FIG. 4 is a schematic view of the bottom structure of the pipe frame and the stirring and gas-feeding pipe of the high efficiency biological composite reinforced microfiltration and clarification integrated equipment;

FIG. 5 is a schematic view of a portion of the structure of FIG. 1 viewed from direction B.

In the figure, 1, a mounting frame; 2. a biological treatment tank; 3. a flocculation precipitation tank; 4. a first motor; 5. a speed reducer; 6. a drive tube; 7. a transmission gear; 8. a stirring gear; 9. a pipe frame; 10. a stirring air supply pipe; 11. a baffle plate; 12. filtering cloth; 13. a guide rail; 14. a cleaning tank; 15. a reciprocating screw; 16. a second motor; 17. a water pumping pipe; 18. a water pump; 19. a rotary joint; 20. an air pump; 21. a vent; 22. a flocculant charging port; 23. a mud valve; 24. an MBBR carrier; 25. a pipeline; 26. a pump; 27. an electrically operated valve; 28. a multi-parameter water quality sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an efficient biological composite reinforced microfiltration and clarification integrated device comprises an installation frame 1, a biological treatment box 2, a flocculation precipitation box 3, a motor I4, a speed reducer 5, a transmission pipe 6, a transmission gear 7, a stirring gear 8, a pipe frame 9, a stirring air supply pipe 10, a baffle plate 11, a microfiltration and backwashing mechanism, a controller (not shown) positioned outside the device and a multi-parameter water quality sensor 28 positioned in the biological treatment box 2, wherein the biological treatment box 2 is installed on the installation frame 1, the flocculation precipitation box 3 is installed on the installation frame 1 and is positioned at the rear side of the biological treatment box 2 and communicated with the lower part of the rear part of the biological treatment box 2, a pipeline 25 at the communication part is provided with a pump 26 and an electric valve 27, the biological treatment box 2 is of a relatively closed structure, a vent 21 is arranged on the biological treatment box 2, the vent 21 is installed on the upper part of the, the flocculation settling tank 3 is provided with a flocculant feeding port 22, the flocculant feeding port 22 is installed on the front side of the upper part of the flocculation settling tank 3 and is used for adding a flocculant, the lower part of the flocculation settling tank 3 is of a conical funnel-shaped structure, a sludge discharge valve 23 is installed at the lower end of the flocculation settling tank, the funnel-shaped structure is convenient for gathering settled flocs, the sludge discharge valve 23 is convenient for cleaning and discharging floc sludge, and the height of the biological treatment tank 2 is higher than that of the flocculation settling tank 3;

the motor I4 is arranged at the upper part of the biological treatment box 2, the speed reducer 5 is arranged at the upper part of the biological treatment box 2 and is positioned below the motor I4 and is connected with a rotating shaft of the motor I4, the transmission pipe 6 is rotatably arranged on the upper surface of the biological treatment box 2, the transmission pipe 6 is provided with a rotary joint 19, the rotary joint 19 is arranged at the upper end of the transmission pipe 6, the biological treatment box 2 is provided with an air pump 20, the air pump 20 is arranged on the upper surface of the biological treatment box 2, the air outlet end of the air pump is connected with the rotary joint 19 through a pipeline, the transmission gear 7 is arranged on the output shaft of the speed reducer 5, the stirring gear 8 is sleeved on the transmission pipe 6 and is connected with the transmission gear 7 in an occlusion way, the pipe frame 9 is arranged on the transmission pipe 6, the inner part of the pipe frame 9 is communicated with the transmission pipe 6, can stir sewage through the slow rotation of the stirring blast pipe 10 on the pipe support 9, and then promote in the sewage pollutant and the microorganism on the MBBR carrier 24 combine, a plurality of stirring blast pipe 10 install on pipe support 9 and with the inside intercommunication of pipe support 9, a plurality of baffle 11 are crisscross to be installed in flocculation and precipitation case 3, micro-filtration and back flush mechanism locate flocculation and precipitation case 3 on, can set up the sealed lid that can open and shut (not shown the sealed lid that the top is for can opening and shutting), be convenient for change and maintain the part in the biological treatment case.

Wherein, the microfiltration and backwashing mechanism comprises a filter cloth 12, a guide rail 13, a cleaning tank 14, a reciprocating screw 15, a motor II 16 and a water pumping pipe 17, the filter cloth 12 is vertically arranged at the rear side of the flocculation precipitation tank 3, the guide rail 13 is vertically arranged in the flocculation precipitation tank 3 and is positioned in front of the filter cloth 12, the cleaning tank 14 is sleeved on the guide rail 13 in a sliding way, the reciprocating screw 15 can be vertically arranged in the flocculation precipitation tank 3 in a rotating way and passes through the cleaning tank 14 to be occluded and connected with the cleaning tank 14, the motor II 16 is arranged at the upper part of the outer part of the flocculation precipitation tank 3, a rotating shaft of the motor II is connected with the upper end of the reciprocating screw 15, the water pumping pipe 17 is arranged on the cleaning tank 14 and is led out through the upper surface of the flocculation precipitation tank 3, the cleaning tank 14 is in a rectangular groove-shaped structure, the groove direction of the cleaning tank 14 faces towards the filter cloth 12 and is propped against, the water outlet end of the water pump 18 is communicated with the front part of the flocculation precipitation tank 3 through a pipeline.

The filter cloth 12 is formed by piling organic fibers, has a fluffy surface formed by weaving nylon fibers, and uses polyester fibers as a support body.

The first motor 4 and the second motor 16 are 220V unidirectional asynchronous alternating current motors or 380V three-phase alternating current asynchronous motors, the water pump 18 and the air pump 20 are 220V single-phase alternating current water pump air pumps or 380V three-phase alternating current water pump air pumps, and the selection is specifically carried out according to different power utilization occasions. The MBBR carrier 24 is MBBR packing (PPC aerobic bio-carrier). The multi-parameter water quality sensor 28 is used for detecting the water quality parameters of the sewage/black water primarily treated by the biological treatment tank 2, such as COD/BOD, DO, pH value and the like. The motor I (4), the motor II (16), the water suction pump (18), the pump (26), the electric valve (27) and the multi-parameter water quality sensor (28) are all connected with the controller in a logic control mode.

All the electrical components in the present application are connected to the power source adapted to the electrical components through a wire, and according to the actual situation, a suitable controller, such as a PLC controller of siemens S7-1200, should be selected to meet the control requirements, and specific connection and control sequence should be described.

In this embodiment:

firstly, the device is arranged at a working position through an installation frame 1;

when the biological treatment tank works, firstly, sewage is pumped into the biological treatment tank 2 through the sewage lifting pump and flows into the biological treatment tank 2 from the front upper part of the biological treatment tank, the sewage is filled after entering the biological treatment tank 2 to reach the holding capacity, the microorganism group on the MBBR carrier 24 added in the biological treatment tank 2 in advance starts to decompose organic matters in the sewage, and the organic matters are decomposed into inorganic matters such as carbon dioxide, water, inorganic salt and the like under the action of the microorganisms, so that the organic waste in the sewage is treated;

meanwhile, when aerobic decomposition of sewage is needed, power is supplied to the first motor 4, the first motor 4 is controlled by the controller to start working, the speed is reduced by the speed reducer 5 to drive the transmission gear 7 to rotate, the stirring gear 8 meshed with the transmission gear 7 is further driven to rotate, the transmission pipe 6 is rotated to drive the pipe frame 9 to rotate, the stirring air supply pipe 10 is further driven to rotate, the stirring air supply pipe 10 extends to be close to the bottom of the biological treatment box 2, the sewage is stirred by the rotation of the stirring air supply pipe 10, organic waste in the sewage is further promoted to be mixed with microorganisms on an MBBR carrier, and the purification rate of the sewage is further enhanced;

meanwhile, the air pump 20 is powered, the air pump 20 is controlled to work, the rotary joint 19 is supplied with air through a pipeline, the rotary joint 19 is matched with the rotation of the transmission pipe 6, then the air enters the pipe frame 9 through the transmission pipe 6 and further enters the stirring air supply pipe 10, and then overflows from the lower end of the stirring air supply pipe 10, so that the sewage in the biological treatment box 2 is aerated, the growth of aerobic microorganisms is promoted, and the sewage is treated by the aerobic microorganisms;

after a period of time, when the degradation detection reaches a preset value after the sewage treatment through the multi-parameter water quality sensor 28, the electric control valve 27 opens a channel between the biological treatment tank 2 and the flocculation precipitation tank 3 to control the pump 26 to be opened, the sewage enters the flocculation precipitation tank 3 under the action of gravity and the pump 26, and meanwhile, the first motor 4 and the air pump 20 are controlled to pause. Adding a flocculating agent into a flocculating agent feeding port 22, mixing sewage with the flocculating agent, using the sewage to combine the flocculating agent to form flocculates under the action of hydraulic stirring along with the flowing of the sewage, further promoting the precipitation of impurities in the sewage, performing S-shaped movement on the sewage in a flocculation precipitation tank 3 due to the obstruction of a baffle plate 11, further increasing the stroke distance of the sewage, further enhancing the combination of the sewage and the flocculating agent, then filtering water flow through a filter cloth 12, discharging the filtered water from an opening at the rear part of the flocculation precipitation tank 3, and finishing the purification of the sewage;

when the filter cloth 12 needs to be cleaned, firstly, the second motor 16 is powered, the second motor 16 is controlled by the controller to work to drive the reciprocating screw rod 15 to rotate, then the reciprocating screw rod 15 drives the cleaning groove 14 meshed with the reciprocating screw rod to move up and down on the guide rail 13, meanwhile, the water suction pump 18 is powered, the water suction pump 18 is controlled to work to pump water out of the cleaning groove 14 of the water suction pipe 17, the cleaning groove 14 abuts against the filter cloth 12, then the cleaning groove 14 pumps out the water on the other side of the filter cloth 12, meanwhile, fluff on the filter cloth 12 is pumped into an upright state, and therefore backwashing of the filter cloth 12 is achieved;

the air vent 21 is used for discharging excessive gas during aeration, and the sludge discharge valve 23 is opened to clean sludge settled in the flocculation settling tank 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An efficient biological composite reinforced microfiltration and clarification integrated device is characterized by comprising a mounting rack (1), a biological treatment box (2), a flocculation sedimentation box (3), a motor I (4), a speed reducer (5), a transmission pipe (6), a transmission gear (7), a stirring gear (8), a pipe support (9), a stirring air supply pipe (10), a baffle (11), a microfiltration and backwashing mechanism, a controller positioned outside the device and a multi-parameter water quality sensor (28) positioned in the biological treatment box (2), the biological treatment box (2) is arranged on the mounting rack (1), the flocculation precipitation box (3) is arranged on the mounting rack (1) and is positioned at the rear side of the biological treatment box (2) and communicated with the lower part of the rear part of the biological treatment box (2) through a pipeline (25), a pump (26) and an electric valve (27) are provided in the duct (25); the utility model discloses a sewage treatment device, including a biological treatment box (2), a motor (4), a speed reducer (5), a transmission pipe (6), a plurality of stirring air pipes (10), a plurality of baffles (11), a plurality of micro-filtration and flocculation precipitation box (3), install on biological treatment box (2) upper portion and be located motor (4) below and be connected with motor (4) pivot, rotatable the installing on biological treatment box (2) upper surface of transmission pipe (6), drive gear (7) are installed on speed reducer (5) output shaft, stirring gear (8) suit is on transmission pipe (6) and its interlock is connected with drive gear (7), pipe support (9) are installed on transmission pipe (6) and its inside and transmission pipe (6) intercommunication, a plurality of stirring air pipes (10) are installed on pipe support (9) and with inside intercommunication of pipe support (9), a plurality of baffle (11) are crisscross-mounted in flocculation precipitation box (3), micro-filtration and flocculation precipitation box (3), the side wall and the bottom wall in the biological treatment box (2) are provided with MBBR carriers (24), and the motor I (4), the multi-parameter water quality sensor (28), the pump (26) and the electric valve (27) are connected with the controller.

2. The high-efficiency biological composite reinforced microfiltration and clarification integrated equipment according to claim 1, the micro-filtration and back-washing mechanism comprises filter cloth (12), a guide rail (13), a washing tank (14), a reciprocating screw rod (15), a second motor (16) and a water pumping pipe (17), the filter cloth (12) is vertically arranged at the rear side of the flocculation precipitation tank (3), the guide rail (13) is vertically arranged in the flocculation precipitation tank (3) and is positioned in front of the filter cloth (12), the cleaning tank (14) is sleeved on the guide rail (13) in a sliding manner, the reciprocating screw rod (15) can be vertically and rotatably arranged in the flocculation precipitation tank (3) and passes through the cleaning tank (14) to be meshed and connected with the cleaning tank (14), the second motor (16) is arranged at the upper part of the exterior of the flocculation precipitation tank (3) and the rotating shaft of the second motor is connected with the upper end of the reciprocating screw rod (15), the water pumping pipe (17) is installed on the cleaning tank (14) and penetrates through the upper surface of the flocculation settling tank (3) to be led out.

3. The efficient biological composite reinforced microfiltration and clarification integrated equipment according to claim 2, wherein a water suction pump (18) is connected to the water suction pipe (17), the water suction pump (18) is installed on the flocculation settling tank (3) and is communicated with the water suction pipe (17) at the water suction end, the water outlet end of the water suction pump (18) is communicated with the front part of the flocculation settling tank (3) through a pipeline, and the motor II (16) and the water suction pump (18) are connected with a controller.

4. The integrated apparatus of claim 2, wherein the cleaning tank (14) is a rectangular trough-shaped structure, the direction of the slot of the cleaning tank faces the filter cloth (12) and is abutted against the filter cloth (12), and the rear end of the cleaning tank is communicated with the water pumping pipe (17).

5. The integrated apparatus for microfiltration and clarification according to claim 1, wherein the transmission pipe (6) is provided with a rotary joint (19), and the rotary joint (19) is installed at the upper end of the transmission pipe (6).

6. The efficient biological composite reinforced microfiltration and clarification integrated equipment according to claim 1, wherein an air pump (20) is arranged on the biological treatment tank (2), the air pump (20) is arranged on the upper surface of the biological treatment tank (2), the air outlet end of the air pump is connected with the rotary joint (19) through a pipeline, and the air pump (20) is connected with a controller.

7. The integrated apparatus of claim 1, wherein the biological treatment tank (2) is provided with a vent (21), and the vent (21) is installed on the upper part of the biological treatment tank (2).

8. The integrated high-efficiency biological composite enhanced microfiltration and clarification device according to claim 1, wherein a flocculant charging port (22) is arranged on the flocculation precipitation tank (3), and the flocculant charging port (22) is arranged on the front side of the upper part of the flocculation precipitation tank (3).

9. The integrated equipment for high-efficiency biological composite reinforced microfiltration and clarification according to claim 1, wherein the lower part of the flocculation settling tank (3) is of a conical funnel-shaped structure, and the lower end of the flocculation settling tank is provided with a mud valve (23).

10. The integrated apparatus of claim 1, wherein the pipe frame (9) is composed of a plurality of concentric circular ring-shaped tubular structures which are communicated with each other, and the stirring air pipes (10) are uniformly arranged below each tubular structure.

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