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CN-118851411-B - Anti-blocking device, method and system of MBBR equipment

CN118851411BCN 118851411 BCN118851411 BCN 118851411BCN-118851411-B

Abstract

The invention discloses an anti-blocking device, method and system of MBBR equipment, which comprises a plurality of blocking devices, wherein each blocking device comprises two grab buckets and a rotating shaft, the walls of each grab bucket are of filter screen structures and are used for water supply, a filler inlet and outlet are formed in each grab bucket and are used for storing or releasing filler, the blocking devices are further provided with a sensor group, the blocking devices also comprise a processing center, the processing center is arranged outside a water pool and is used for receiving water outlet data of the sensor group, when the water outlet data meet certain conditions, the processing center controls the driving device to act so as to drive the rotating shafts to rotate 180 degrees, and the filler inlet and outlet of one grab bucket is changed into an upward direction from a downward direction so as to release filler stored in the grab bucket along with water flow. According to the invention, the grab bucket can intercept the filler, prevent the filler from being accumulated at the tail end to influence the liquid passage, intelligently control the grab bucket, avoid the need of interference, and have good automation degree.

Inventors

  • HUANG DONGHUI
  • HUANG LI
  • SHEN CHENXI
  • LING RUI
  • YANG MINGHAO

Assignees

  • 江苏裕隆环保有限公司

Dates

Publication Date
20260512
Application Date
20240703

Claims (9)

  1. 1. The anti-blocking device of the MBBR equipment comprises a water tank (1), wherein the water tank (1) is divided into a mixing tank (101), an MBBR tank (102), a blocking tank (103) and a water outlet tank (104), and is characterized in that: a plurality of blocking devices (2) are arranged in the blocking pond (103), and the blocking devices (2) are arranged on two side walls of the blocking pond (103) in a staggered mode; The blocking device (2) comprises two grab buckets (24) and a rotating shaft (23), wherein the two grab buckets (24) are connected to the rotating shaft (23) and are symmetrical along the center of the rotating shaft (23), the rotating shaft (23) is arranged on the side wall of the blocking pond (103) and is connected with a driving device, the walls of the grab buckets (24) are of filter screen structures and are used for water supply, and the grab buckets (24) are provided with filler inlets and outlets (245) and are used for storing or releasing filler; The blocking device (2) is further provided with a sensor group which is arranged at the water outlet of the grab bucket (24) and used for detecting water outlet data of the grab bucket (24); The device also comprises a processing center which is arranged outside the water pool (1) and is used for receiving the water outlet data of the sensor group, when the water outlet data meets certain conditions, the processing center controls the driving device to act, to drive the rotation shaft (23) to rotate 180 degrees, so that the filler inlet and outlet (245) of one grab bucket (24) is changed from a downward direction to an upward direction, and the filler stored in the grab bucket (24) is released along with water flow.
  2. 2. The anti-blocking device of the MBBR equipment according to claim 1, wherein the grab bucket (24) comprises a circumferential wall (241), a first end wall (242) and a second end wall (243) arranged at two ends of the circumferential wall (241) and a bottom wall (244) arranged at one side of the circumferential wall (241), the first end wall (242), the second end wall (243) and the bottom wall (244) form a part of a cylindrical structure, the bottom wall (244) is a reducing surface, the other reducing surface is hollow and is used as the filler inlet and outlet (245), the bottom wall (244) is fixedly connected to the rotating shaft (23), and the size of the filter holes of the circumferential wall (241), the first end wall (242), the second end wall (243) and the bottom wall (244) is smaller than that of the filler.
  3. 3. An anti-blocking device for an MBBR plant according to claim 2, wherein the rounded corners of the grab (24) are divided into a1 and a2 by a horizontal line when the grab is in the working state, wherein a1> a2, a1 is located at the upper side and a2 is located at the lower side.
  4. 4. The anti-blocking device of the MBBR equipment, as claimed in claim 2, wherein the blocking device (2) further comprises a fixing frame (21), the fixing frame (21) is of a quadrilateral structure and comprises two fixing plates (211) and two auxiliary plates (212), one fixing plate (211) is used for fixedly connecting the side wall of the blocking pond (103), the two auxiliary plates (212) are fixed on two opposite side walls of the blocking pond (103), the grab bucket (24) is located inside the fixing frame (21), two ends of the rotating shaft (23) are fixed on the two auxiliary plates (212), and one end of the rotating shaft (23) penetrates through the auxiliary plates (212) and the side wall of the blocking pond (103) to be connected with the driving device.
  5. 5. The anti-blocking device of the MBBR equipment according to claim 2, wherein the sensor group comprises a plurality of sensors, the sensors are fixed at the connection part of the peripheral wall (241) and the bottom wall (244), each blocking device (2) is provided with two groups of sensor groups for detecting the water outlet data of each blocking device (2), and the processing center controls each blocking device (2) independently according to the water outlet data.
  6. 6. The MBBR equipment anti-blocking device according to claim 1, wherein a vertical partition plate (105) and a transverse partition plate (106) are arranged in the water tank (1), the vertical partition plate (105) and the transverse partition plate (106) are crisscrossed, the top of the vertical partition plate (105) is fixed at the inner top of the water tank (1), the transverse partition plate (106) is fixed on the side wall of the water tank (1) and used for separating the mixing tank (101), the MBBR tank (102), the blocking tank (103) and the water outlet tank (104), the mixing tank (101) is provided with an inlet (107), gaps are reserved on the transverse partition plate (106) to enable water and filler to flow from the mixing tank (101) to the MBBR tank (102), gaps are reserved on the bottom of the vertical partition plate (105) to enable water and filler to flow from the MBBR tank (102) to the blocking tank (103), and the water outlet tank (104) is provided with a water outlet (108).
  7. 7. The anti-blocking device of the MBBR equipment, as claimed in claim 6, characterized in that the blocking pond (103) is provided with a circulating pump (3), the circulating pump (3) is matched with a pipeline (4), the pipeline (4) is paved in the water outlet pond (104) and penetrates through the mixing pond (101), a check valve is arranged in the mixing pond (101), and the circulating pump (3) is fixed on the transverse partition plate (106).
  8. 8. An anti-blocking method for MBBR equipment, which is characterized by comprising the following steps of dividing a sensor group into an operating state and a waiting state, wherein the operating state refers to the fact that a corresponding grab bucket (24) is storing filler, and the waiting state refers to the fact that the corresponding grab bucket (24) is releasing filler or has released filler; Receiving water outlet data of a sensor group in real time, wherein the water outlet data comprises flow velocity; The water outlet data of the sensor group in a waiting state is set to be 0, and the water outlet data of the sensor group in a working state is denoised to obtain effective water outlet data, wherein the denoising refers to neglecting the highest flow velocity data and the lowest flow velocity data, and taking the flow velocity data of the other sensors as the effective water outlet data; calculating a blockage degree value according to the effective water outlet data, and sending a release signal to a driving device when the blockage degree value is higher than a threshold value, wherein the release signal is used for controlling a grab bucket (24) to rotate 180 degrees by the driving device so as to release stored filler; The method comprises the steps of determining the weight of a sensor corresponding to effective water outlet data, calculating a blockage degree value according to the effective water outlet data, and taking an average value after weighting the effective water outlet data, wherein the average value is taken as the blockage degree value, the specific formula is F= (I1xW1+I2xW2+I3xW3+ &.+ InxWn)/N, wherein n= {1,2,3,..N-2 }, N is the number of sensors mounted on one grab bucket, F is the blockage degree value, W is the weight of each sensor, and the weight of the sensor corresponding to the effective water outlet data is determined by dividing the position easy to be piled up into an easy piled up area, dividing the position difficult to be piled up into an easy piled up area, dividing the rest positions into an intermediate piled up area, setting the weight of the sensor of the easy piled up area to be 3, setting the weight of the sensor of the difficult piled up area to be 1, and setting the weight of the sensor of the easy piled up area to be 2.
  9. 9. An anti-blocking system of MBBR equipment, which is characterized in that the anti-blocking system is applied to an anti-blocking method of MBBR equipment as claimed in claim 8, and comprises the following steps of, The receiving module is used for receiving water outlet data of the sensor group in real time, wherein the water outlet data comprises flow velocity; The processing module is used for setting the water outlet data of the sensor group in a waiting state to be 0, reducing the noise of the water outlet data of the sensor group in a working state, and obtaining effective water outlet data; and the calculating and judging module is used for calculating a blockage degree value according to the effective water outlet data, and sending a release signal to the driving device when the blockage degree value is higher than a threshold value, wherein the release signal is used for controlling the grab bucket (24) to rotate 180 degrees by the driving device so as to release the stored filler.

Description

Anti-blocking device, method and system of MBBR equipment Technical Field The invention relates to MBBR equipment, in particular to an anti-blocking device, an anti-blocking method and an anti-blocking system of the MBBR equipment. Background In MBBR process units, after mixing, the biological suspended filler and the liquid flow to the end of the pond with the liquid, causing filler to accumulate at the end, the filler at the front end is too little, and the blockage formed at the end can affect the passage of the liquid. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides an anti-blocking device, an anti-blocking method and an anti-blocking system for MBBR equipment. The technical scheme includes that the anti-blocking device of the MBBR equipment comprises a water tank, wherein the water tank is divided into a mixing tank, an MBBR tank, a blocking tank and a water outlet tank, a plurality of blocking devices are arranged in the blocking tank, and the blocking devices are arranged on two side walls of the blocking tank and are staggered; The blocking device comprises two grab buckets and a rotating shaft, wherein the two grab buckets are connected to the rotating shaft and are symmetrical along the center of the rotating shaft, and the rotating shaft is arranged on the side wall of the blocking pond and is connected with a driving device; the blocking device is also provided with a sensor group which is arranged at the water outlet of the grab bucket and used for detecting the water outlet data of the grab bucket; The water treatment device comprises a water tank, a water inlet and a water outlet, and is characterized by further comprising a treatment center, wherein the treatment center is arranged outside the water tank and is used for receiving water outlet data of the sensor group, when the water outlet data meet certain conditions, the treatment center controls the driving device to act so as to drive the rotating shaft to rotate 180 degrees, so that a filler inlet and a filler outlet of one grab bucket are changed into an upward direction from a downward direction, and filler stored in the grab bucket is released along with water flow. The grab bucket further comprises a peripheral wall, a first end wall, a second end wall and a bottom wall, wherein the first end wall and the second end wall are arranged at two ends of the peripheral wall, the bottom wall is arranged at one side of the peripheral wall, the first end wall, the second end wall and the bottom wall form a part of cylindrical structure, the bottom wall is a semi-diameter surface, the other semi-diameter surface is hollow and is used as a filler inlet and outlet, the bottom wall is fixedly connected to the rotating shaft, the peripheral wall, the first end wall, the second end wall and the bottom wall are all of filter screen structures, and the size of a filter hole is smaller than that of a filler. Further, when the grab bucket is in a working state, the round angle of the grab bucket is divided into a1 and a2 by taking a horizontal line as a boundary, wherein a1> a2, a1 is positioned on the upper side, and a2 is positioned on the lower side. Further, the blocking device further comprises a fixing frame which is of a quadrilateral structure and comprises two fixing plates and two auxiliary plates, wherein one fixing plate is used for fixedly connecting the side wall of the blocking pond, the two auxiliary plates are both fixed on two opposite side walls of the blocking pond, the grab bucket is located inside the fixing frame, two ends of the rotating shaft are fixed on the two auxiliary plates, and one end of the rotating shaft penetrates through the auxiliary plates and the side wall of the blocking pond and then is connected with the driving device. The blocking device comprises a plurality of blocking devices, a plurality of sensor groups, a processing center and a control center, wherein the blocking devices are arranged on the periphery of the bottom wall, the sensor groups comprise a plurality of sensors, the sensors are fixed at the joint of the periphery wall and the bottom wall, each blocking device is provided with two groups of sensor groups and is used for detecting water outlet data of each blocking device, and the processing center is used for controlling each blocking device independently according to the water outlet data. Further, a vertical partition plate and a horizontal partition plate are arranged in the water tank, the vertical partition plate and the horizontal partition plate are crisscrossed, the top of the vertical partition plate is fixed at the inner top of the water tank, the horizontal partition plate is fixed on the side wall of the water tank and is used for separating the mixing tank, the MBBR tank, the blocking tank and the water outlet tank, the mixing tank is provided with an inlet, gaps are reserved on the horizontal partition plate to enable water and f