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CN-122006309-A - Double-layer self-cleaning type rotary grid decontamination assembly and sewage treatment pretreatment equipment

CN122006309ACN 122006309 ACN122006309 ACN 122006309ACN-122006309-A

Abstract

The invention relates to the technical field of sewage treatment, in particular to a double-layer self-cleaning type rotary grid decontamination component and sewage treatment pretreatment equipment. The assembly comprises a grid side plate, wherein the bottom of the grid side plate is provided with a grid plate, the top of the grid side plate is symmetrically provided with side pushing blocks with abdication grooves, side plate inner sliding connection a trapezoid slide plate and a trapezoid push plate, one side of the trapezoid slide plate is connected with the wall of the groove through a tension spring, the other side is fixed with an inserting block, the rotating block drives the trapezoid push plate to move through the screw rod so as to control the inserting block to stretch out and draw back, and the assembling and disassembling of the grille side plates are realized. The device also comprises a sewage treatment box, an L-shaped top plate in sliding connection and a sewage storage box with a chute. After sewage is filtered, the servo motor drives the grid side plate to incline, impurities slide into the sewage storage box and are discharged through the chute, the sewage discharging hole and the discharging inclined plate group, and one group can continuously work when being cleaned. The structure realizes self-cleaning, decontamination without shutdown and convenient maintenance, and improves the continuity and the operation efficiency of sewage treatment.

Inventors

  • HE ZHIPING
  • LIU LIXING

Assignees

  • 福建省福能水务投资发展有限责任公司

Dates

Publication Date
20260512
Application Date
20260130

Claims (9)

  1. 1. A dual layer self-cleaning rotating grill decontamination assembly, comprising: the device comprises a grid side plate (19), wherein a grid plate (18) is fixedly arranged at the bottom of the grid side plate (19), two side pushing blocks (13) which are symmetrically arranged are fixedly arranged at the top of the grid side plate (19), and a yielding groove (14) is formed in one side of each side pushing block (13); Rectangular grooves I (27) are formed in one side of the grid side plates (19), rectangular grooves II (28) which are communicated with each other are formed in the inner walls of the tops of the rectangular grooves I (27), trapezoidal sliding plates (23) are connected to the inner walls of the rectangular grooves I (27) in a sliding mode, and two tension springs (26) are arranged between one side of each trapezoidal sliding plate (23) and one side of the inner wall of each rectangular groove I (27); A trapezoid pushing plate (32) is connected inside the rectangular groove II (28) in a sliding manner, and the trapezoid pushing plate (32) is matched with the trapezoid sliding plate (23); the novel trapezoidal grating is characterized in that an inserting block (24) is fixedly arranged on one side of the trapezoidal sliding plate (23), a round groove (29) is formed in the top of the grating side plate (19), a rotating block (30) is rotatably connected in the round groove (29), a screw rod (31) is fixedly arranged at the bottom of the rotating block (30), and the bottom of the screw rod (31) rotatably extends into a rectangular groove II (28) and is in threaded connection with a trapezoidal push plate (32); when the rotating block (30) is rotated, the screw rod (31) drives the trapezoid pushing plate (32) to move, so that the trapezoid sliding plate (23) is pushed to move transversely, the inserting block (24) is retracted or extended, and accordingly connection or disassembly of the grid side plate (19) is achieved.
  2. 2. The double-layer self-cleaning type rotary grating decontamination assembly according to claim 1, wherein the tension springs (26) are symmetrically arranged at one side of the trapezoid slide plate (23) and are used for providing a restoring tension force for the trapezoid slide plate (23).
  3. 3. A wastewater treatment pretreatment apparatus comprising a double-layer self-cleaning rotary grating decontamination assembly according to claim 1 or 2.
  4. 4. The sewage treatment pretreatment device according to claim 3, further comprising a sewage treatment tank (1), wherein the inner wall of the bottom of the sewage treatment tank (1) is obliquely arranged, one end of the sewage treatment tank (1) is fixedly communicated with a drain pipe (4), two side inner walls of the sewage treatment tank (1) are slidably connected with the same L-shaped top plate (5), and a receiving component for receiving impurities is fixedly arranged at the bottom of the L-shaped top plate (5).
  5. 5. The sewage treatment pretreatment device according to claim 4, wherein the receiving component comprises a sewage storage box (22) fixedly connected to the bottom of the L-shaped top plate (5), the top of the sewage storage box (22) is communicated with the bottom of the L-shaped top plate (5), a chute (21) is formed in the inner wall of the bottom of the sewage storage box (22), a triangular block (20) is fixedly arranged on one side of the sewage storage box (22), the triangular block (20) is matched with the yielding groove (14), a sewage discharge hole (7) is formed in one side of the sewage treatment box (1), and the chute (21) is communicated with the sewage discharge hole (7).
  6. 6. The sewage treatment pretreatment apparatus according to claim 4, further comprising a sewage disposal assembly comprising a discharge inclined plate I (8) and a discharge inclined plate III (10) fixedly installed at one side of the sewage treatment tank (1), wherein the discharge inclined plate I (8) and the discharge inclined plate III (10) are respectively located below the two sewage discharge holes (7), a discharge inclined plate II (9) is fixedly installed at one side of the sewage treatment tank (1), the discharge inclined plate II (9) is located below the discharge inclined plate I (8) and the discharge inclined plate III (10), a sewage pipe (6) is fixedly installed at one side of the sewage treatment tank (1), and the sewage pipe (6) is communicated with the discharge inclined plate II (9).
  7. 7. The sewage treatment pretreatment apparatus according to claim 4, further comprising a driving assembly, wherein the driving assembly comprises a protective shell (17) fixedly installed on one side of the sewage treatment tank (1), a servo motor (15) is fixedly installed on the inner wall of the protective shell (17), a driving shaft (25) is fixedly installed on the output shaft of the servo motor (15), a slot (33) is formed in one side of the driving shaft (25), and the slot (33) is clamped with the plug block (24).
  8. 8. The sewage treatment pretreatment apparatus according to claim 7, wherein both sides of the protective case (17) are provided with heat radiation holes (16).
  9. 9. The sewage treatment pretreatment apparatus according to claim 4, wherein a supporting frame (2) is fixedly installed at the bottom of the sewage treatment tank (1), a plurality of supporting legs (3) are fixedly installed at the bottom of the supporting frame (2), a fixing frame (12) is fixedly installed on the inner wall of the sewage treatment tank (1), a supporting rod (11) is fixedly installed on one side of the fixing frame (12), and one end of the supporting rod (11) is used for supporting a grid side plate (19).

Description

Double-layer self-cleaning type rotary grid decontamination assembly and sewage treatment pretreatment equipment Technical Field The invention relates to the technical field of sewage treatment, in particular to a double-layer self-cleaning type rotary grid decontamination component and sewage treatment pretreatment equipment. Background In the field of sewage treatment, a grating is a common pretreatment device, and the main function of the grating is to intercept larger suspended matters and floaters in sewage so as to prevent the impurities from entering a subsequent treatment unit and affecting the treatment effect and the normal operation of the device. However, the conventional grill apparatus has many problems in practical use. On the one hand, traditional grid is fixed structure generally, and after long-time operation, the grid surface can accumulate a large amount of impurity, leads to the grid to block up, reduces the water passing ability, influences sewage treatment efficiency. In order to clean impurities on the grating, the grating is usually required to be stopped for manual cleaning, so that the labor intensity is increased, the sewage treatment process is interrupted, and the stable operation of the whole sewage treatment system is affected. On the other hand, the partially rotatable grid device, although solving the problem of impurity cleaning to some extent, has drawbacks in structural design. For example, some equipment has complex grid rotating mechanisms, inconvenient operation, and easy failure during rotation, which affects the reliability and service life of the equipment. In addition, the existing equipment is insufficient in impurity discharge, and the accumulation in the equipment is easily caused by unsmooth impurity discharge, so that the normal operation of the equipment is further affected. Therefore, the development of the sewage treatment pretreatment equipment with the functions of efficient decontamination and self-cleaning, stable structure, convenient operation and smooth impurity discharge has important practical significance. Disclosure of Invention The invention aims to solve the problems that the traditional grating is of a fixed structure in the prior art, a large amount of impurities can be accumulated on the surface of the grating after long-time operation, so that the grating is blocked, the water passing capacity is reduced, and the sewage treatment efficiency is affected. In order to clean impurities on the grating, the grating is usually required to be stopped for manual cleaning, so that the labor intensity is increased, the sewage treatment process is interrupted, and the stable operation of the whole sewage treatment system is affected. On the other hand, the partially rotatable grid device, although solving the problem of impurity cleaning to some extent, has drawbacks in structural design. For example, some equipment has complex grid rotating mechanisms, inconvenient operation, and easy failure during rotation, which affects the reliability and service life of the equipment. In addition, the existing equipment has the defects that the existing equipment is insufficient in impurity discharge, the accumulation in the equipment is easy to be caused by unsmooth impurity discharge, and the normal operation of the equipment is further influenced. In order to achieve the above purpose, the present invention adopts the following technical scheme: The double-layer self-cleaning type rotary grating decontamination assembly comprises a grating side plate, wherein a grating plate is fixedly arranged at the bottom of the grating side plate, two side pushing blocks which are symmetrically arranged are fixedly arranged at the top of the grating side plate, and a yielding groove is formed in one side of each side pushing block; A rectangular groove I is formed in one side of the grid side plate, a rectangular groove II which is communicated with the top inner wall of the rectangular groove I is formed in the inner wall of the rectangular groove I, a trapezoidal sliding plate is connected to the inner wall of the rectangular groove I in a sliding mode, and two tension springs are arranged between one side of the trapezoidal sliding plate and the inner wall of one side of the rectangular groove I; the inside of the rectangular groove II is slidably connected with a trapezoid pushing plate, and the trapezoid pushing plate is matched with the trapezoid sliding plate; The device comprises a trapezoid sliding plate, a rectangular groove II, a trapezoid push plate II, a rotary block, a screw rod, a rotary block and a connecting rod, wherein the inserting block is fixedly arranged on one side of the trapezoid sliding plate, the top of the grille side plate is provided with a round groove, the rotary block is rotationally connected to the inside of the round groove, the screw rod is fixedly arranged at the bottom of the rotary block, and the bottom of the screw rod rotationall