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CN-121971913-A - Wastewater rapid sedimentation coagulating sedimentation multilayer filtering device and method

CN121971913ACN 121971913 ACN121971913 ACN 121971913ACN-121971913-A

Abstract

The invention discloses a wastewater rapid sedimentation coagulating sedimentation multilayer filtering device and a wastewater rapid sedimentation coagulating sedimentation multilayer filtering method, which relate to the technical field of wastewater treatment equipment, wherein the device comprises a barrel body, a coaxial hollow column is rotatably arranged in the barrel body, a separation frame fixed with the barrel body is sleeved on the hollow column, and a separation plate is arranged between the two separation frames; the plurality of partition boards divide the barrel body into a plurality of layers, and a plurality of filter screen racks are rotatably arranged in the partition boards. The method comprises the steps of enabling wastewater to flow through the multi-layer filter screen frame, driving the hollow column to rotate so as to switch the position of the filter screen frame, enabling the filter screen frame to move to the cleaning part for reverse cleaning, enabling the cleaned filter screen frame to enter the drying part, and enabling the filter screen frame of the drying part to return to the filter part. When the filter screen frame is driven by the rotation of the hollow column, the filter screen frames at different positions are switched to the next position, so that when the wastewater is filtered, the filter screen frames which participate in the filtration are cleaned and regenerated at the subsequent positions, and the equipment can continuously run for a long time.

Inventors

  • GAO LIXIA
  • ZHANG TAO
  • WANG JINRONG

Assignees

  • 山西承达恒业环保科技工程有限公司

Dates

Publication Date
20260505
Application Date
20260327

Claims (10)

  1. 1. The utility model provides a wastewater fast sedimentation coagulating sedimentation multilayer filter equipment, includes staving (1), its characterized in that: a coaxial hollow column (2) is rotatably arranged in the barrel body (1), a separation frame (12) fixed with the barrel body (1) is sleeved on the hollow column (2), and a separation plate (3) is arranged between two adjacent separation frames (12); The inside of the barrel body (1) is divided into a plurality of layers by the plurality of partition plates (3), a plurality of filter net racks (36) are rotatably arranged in the partition plates (3), different filter materials are filled in the filter net racks (36) according to the heights of the filter net racks, the filter net racks (36) are formed by clamping a rotating frame (361) and a movable frame (363), a rotating shaft (362) is fixedly connected to the lateral surface of the periphery of the rotating frame (361), one end of the rotating shaft (362) penetrates through a hollow column (2) and is positioned in the hollow column, and the hollow column (2) drives the filter net racks (36) to rotate through a transmission mechanism (8) when rotating; The separation frame (12) circumferentially separates the inside of the barrel body (1) into a filtering part (4), a separating part (5), a cleaning part (6) and a drying part (7).
  2. 2. The device of claim 1, wherein the partition plate (3) comprises two fixing plates (31) fixed with adjacent partition frames (12), a support ring (32) is fixedly sleeved on the circumferential surface of the hollow column (2), two rotating plates (33) are fixedly sleeved on the outer circumferential side of the support ring (32), the rotating plates (33) are positioned between the two fixing plates (31), and the filter net frame (36) is positioned between the two rotating plates (33).
  3. 3. The rapid wastewater coagulating sedimentation multilayer filtering device of claim 2, wherein four holes III (35) are formed in the rotating plate (33), a hole I (312) and an arc hole (34) are formed in the fixed plate (31), the arc hole (34) is arc-shaped, the diameter of the hole III (35) is larger than that of the hole I (312), the diameter of the hole I (312) is smaller than the outer diameter of the filter screen frame (36), the hole I (312) is positioned in the filtering part (4), and a notch (121) with the diameter larger than the outer diameter of the filter screen frame (36) is formed in the separating frame (12).
  4. 4. The rapid sedimentation multilayer filtering device for wastewater, as set forth in claim 2, characterized in that a plurality of springs (369) which are symmetrical with respect to the vertical axis of the rotating frame (361) are elastically connected between the rotating frame (361) and the movable frame (363), the springs (369) are compressed when the filtering net frame (36) is positioned at the filtering part (4), the springs (369) push the movable frame (363) to be far away from the rotating frame (361) in an uncompressed state, and bolts (368) are connected to the side surface of the movable frame (363) in a threaded manner so that the movable frame (363) can only move relative to the rotating frame (361) along the axis direction.
  5. 5. The rapid wastewater coagulating sedimentation multilayer filtering device according to claim 2, wherein a protruding portion (311) is arranged on one side of the fixing plate (31) facing the filter screen frame (36), when the filter screen frame (36) moves from the drying portion (7) to the filtering portion (4), the movable frame (363) moves to the rotating frame (361) until the filter screen frame (36) is in a fitting state, and when the filter screen frame (36) rotates to an arc hole (34) to which the separating portion (5) belongs, the rotating frame (361) and the movable frame (363) are in a separating state.
  6. 6. The rapid wastewater coagulating sedimentation multilayer filtering device of claim 1, wherein an installation shaft (13) is fixedly connected in the barrel body (1), a plurality of fixed wheels (81) are fixedly sleeved on the installation shaft (13), a rotating gear (82) is fixedly sleeved on the rotating shaft (362), a plurality of teeth are arranged on the fixed wheels (81), and after a filter screen frame (36) positioned on the separation part (5) rotates towards the cleaning part (6), the rotating gear (82) rotates around the axis of the rotating gear (82) for half a circle through meshing with the fixed wheels (81).
  7. 7. The rapid wastewater coagulating sedimentation multilayer filtering device of claim 1, wherein a plurality of groups of racks (364) are fixedly connected to the side surface of the movable frame (363) facing the rotary frame (361), a plurality of limiting frames (365) are fixedly connected to the side surface of the rotary frame (361) facing the movable frame (363), symmetrical tooth blocks (366) are hinged in the limiting frames (365), and the tooth blocks (366) are driven by torsion springs (367) to enable tip parts of the outer sides of the limiting frames (365) to extend out of the vertical side surfaces of the limiting frames (365) and be embedded into teeth of the racks (364).
  8. 8. The rapid wastewater coagulating sedimentation multilayer filtering device according to claim 1, wherein a filtering inlet (41) positioned above and a filtering outlet (42) positioned below are arranged in the filtering part (4), a plurality of annular spray heads (61) and funnels (62) fixed in the barrel body (1) are arranged in the cleaning part (6), the annular spray heads (61) are positioned above the partition plate (3), the funnels (62) are positioned below the partition plate (3), and the drying part (7) comprises a hot air inlet (71) arranged at the bottom of the barrel body (1) and a hot air outlet (72) arranged at the side surface of the barrel body (1).
  9. 9. The rapid wastewater coagulating sedimentation multilayer filtering device of claim 1, wherein the top of the barrel body (1) is fixedly connected with a top cover (11), the top end of the hollow column (2) stretches into the top cover (11), a driving motor for driving the hollow column (2) to rotate is arranged in the top cover (11), and a plurality of observation windows (14) are arranged on the outer side face of the barrel body (1).
  10. 10. A wastewater rapid sedimentation and coagulation sedimentation multilayer filtering method based on the wastewater rapid sedimentation and coagulation sedimentation multilayer filtering device as claimed in any one of claims 1 to 9, which is characterized by comprising the following steps: S1, injecting the wastewater into a filtering part (4) in a barrel body (1) from a filtering inlet (41), so that the wastewater sequentially passes through a plurality of filtering net racks (36) which are arranged up and down under the action of gravity; s2, driving the hollow column (2) to rotate after the filtration is completed, so that the rotating plate (33) drives the filter net rack (36) to rotate, and the filter net rack (36) in the filter part (4) enters the separation part (5); S3, a movable frame (363) in a filter screen frame (36) entering the separation part (5) loses the blocking of the fixed plate (31) and is driven by a first spring (369) to be far away from the rotary frame (361), so that gaps are formed between filter materials; S4, after the second batch of wastewater is filtered, driving the hollow column (2) to rotate so as to drive the filter screen frame (36) to move, turning over 180 degrees when the filter screen frame (36) positioned in the separation part (5) enters the cleaning part (6), and then injecting cleaning liquid into the annular spray head (61) so as to clean the filter screen frame (36); S5, enabling the washed filter screen frame (36) to enter a drying part (7) when the rotating plate (33) rotates, and drying filter materials in the filter screen frame (36) by inputting hot air from a hot air inlet (71); S6, the filter screen frame (36) positioned in the drying part (7) enters the filtering part (4) after rotating along with the rotating plate (33), and in the process, the movable frame (363) is pushed by the fixed plate (31) to be attached to the rotating plate (33) so as to compact the filter material.

Description

Wastewater rapid sedimentation coagulating sedimentation multilayer filtering device and method Technical Field The invention relates to the technical field of wastewater treatment equipment, in particular to a wastewater rapid sedimentation coagulating sedimentation multilayer filtering device and a wastewater rapid sedimentation coagulating sedimentation multilayer filtering method. Background In the small-sized manufacturing industry, the wastewater is intermittently generated along with the processing batch, and has the characteristics of small single-time treatment capacity and high production frequency, and in order to reduce the factory sites occupied by the wastewater, the wastewater (or a plurality of batches) is usually treated immediately after being generated in a single batch, so that clear demands are made on the 'miniaturization' and the 'continuous treatment capacity' of equipment. At present, in the wastewater treatment process, after colloid impurities are removed through coagulating sedimentation and large-volume impurities (such as metal scraps and fibers) are removed through rough filtration, a multi-layer filter device with different filter materials stacked up and down in a filter cavity is often adopted for advanced treatment (such as adsorption of emulsified oil by anthracite and interception of fine particulate matters by quartz sand). The device has various core defects and is difficult to adapt to the actual demands of small manufacturing industries, firstly, backflushing cleaning easily causes the phenomenon of backflushing disorder layer to appear, fine filter materials float upwards to cause filter layers to appear loopholes, finally, effluent suspended matter indexes exceed standard, secondly, the existing device needs to stop backflushing and drying after the filter materials are blocked, the accumulation of the two materials is often easy to exceed the waste water generation interval, the device cannot match the production rhythm, finally, the existing device can stack various filter materials together, only a single cleaning medium (mostly clean water) can be adopted, so that other filter materials which need to correspond to cleaning agents cannot be effectively cleaned, when the corresponding cleaning agents are added into cleaning water, the cleaning agents are easy to remain on the surfaces of other filter materials, the two materials can cause continuous attenuation of the filter material filtering performance, meanwhile, the cleaning waste liquid cannot be recovered in a classified mode, and the subsequent wastewater treatment burden is increased. Disclosure of Invention The invention aims to provide a wastewater rapid sedimentation coagulating sedimentation multilayer filtering device and a wastewater rapid sedimentation coagulating sedimentation multilayer filtering method, so as to solve the defects in the prior art. In order to achieve the aim, the invention provides the technical scheme that the wastewater rapid sedimentation coagulating sedimentation multilayer filtering device comprises a barrel body, A coaxial hollow column is rotatably arranged in the barrel body, a separation frame fixed with the barrel body is sleeved on the hollow column, and a separation plate is arranged between two adjacent separation frames; The barrel body is divided into a plurality of layers by the plurality of clapboards, a plurality of filter screen racks are rotatably arranged in the clapboards, different filter materials are filled in the filter screen racks according to the heights of the filter screen racks, the filter screen racks are formed by clamping a rotating frame and a movable frame, a rotating shaft is fixedly connected to the lateral surface of the periphery of the rotating frame, one end of the rotating shaft penetrates through a hollow column and is positioned in the hollow column, and the hollow column drives the filter screen racks to rotate through a transmission mechanism when rotating; the separation frame circumferentially separates the inside of the barrel body into a filtering part, a separating part, a cleaning part and a drying part. Preferably, the partition plate comprises two fixing plates fixed with adjacent partition frames, a support ring is fixedly sleeved on the circumferential surface of the hollow column, two rotating plates are fixedly sleeved on the outer circumferential side of the support ring, the rotating plates are located between the two fixing plates, and the filter screen frame is located between the two rotating plates. Preferably, the rotating plate is provided with four holes III, the fixed plate is provided with a hole I and an arc hole, the arc hole is arc-shaped, the diameter of the hole III is larger than that of the hole I, the diameter of the hole I is smaller than the outer diameter of the filter screen frame, the hole I is located the filter part, and the partition frame is provided with a notch with the diameter larger tha