Algae intercepting device at water outlet of grid reaction tank

Abstract

The utility model belongs to the technical field of water purification treatment, and particularly relates to an algae intercepting device for a water outlet of a grid reaction tank, which comprises an intercepting plate, filter holes penetrating through the plate surface are formed in the intercepting plate, the intercepting plate is of a hollow sealing structure, and a plurality of ventilation pipelines communicated with one another are arranged in the intercepting plate. A plurality of ventilation pipelines are communicated with the first air inlet pipeline, the ventilation pipelines are crossed and penetrate through the filtering holes, a plurality of first ventilation holes are formed in the surface of the intercepting plate, second ventilation holes are formed in the ventilation pipelines and located in the filtering holes, the first ventilation holes and the second ventilation holes are both nanometer micropores, a second air inlet pipeline is arranged on the intercepting plate, and the second air inlet pipeline is communicated with the second air inlet pipeline. The second air inlet pipeline communicates with the hollow structure in the intercepting plate, a lifting handle is further arranged on the intercepting plate, and a cleaning device for cleaning algae on the plate face is further arranged on the plate face of the intercepting plate. The filter holes are prevented from being blocked, and the intercepting plate is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water purification treatment technical field, concretely relates to a kind of algae interception device of grid reaction pool outlet. BACKGROUND

[0002] Water supply plant's water purification process generally includes mixing, flocculation, sedimentation, filtration and disinfection, and flocculation is the key stage of the whole process, which directly determines the effluent effect of water supply plant, and grid reaction pool is one of commonly used flocculation methods. Since the sunlight is sufficient in summer, and most of the raw water sources come from river water, the river water may contain algae and other impurities. After flocculation in the grid reaction pool, the algae may still float on the water surface. When the water is discharged through the outlet of the grid reaction pool, a water-permeable plate is needed to intercept the algae. However, when the through holes of the water-permeable plate are small, the algae is easy to block the through holes. If the through holes of the water-permeable plate are large, the algae cannot be fully intercepted. Therefore, the prior art needs to be further improved. SUMMARY

[0003] The utility model aims at providing an algae interception device for the outlet of a grid reaction pool, which can prevent the filter holes from being blocked and facilitate cleaning of the interception plate.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] An algae interception device for the outlet of a grid reaction pool includes an interception plate, wherein a plurality of filter holes are arranged on the interception plate, the interception plate has a hollow structure, a plurality of air ducts are arranged in the interception plate and are in communication with each other, the air ducts are in communication with a first air inlet pipe, the air ducts are arranged in a cross shape and pass through the filter holes, a plurality of first air holes are arranged on the surface of the interception plate, a plurality of second air holes are arranged on the air ducts, the second air holes are located in the filter holes, the first air holes and the second air holes are nano micropores, a second air inlet pipe is arranged on the interception plate and is in communication with the hollow structure of the interception plate, a lifting handle is further arranged on the interception plate, and a cleaning device for cleaning algae on the surface of the interception plate is further arranged on the surface of the interception plate.

[0006] Further, the diameter of the filter holes is 0.5-2 cm.

[0007] Further, the plurality of air ducts are arranged in a mesh shape in the interception plate, the plurality of air ducts include horizontal ducts and vertical air ducts, the horizontal ducts and the vertical air ducts are in communication at cross-shaped positions located in the filter holes, the first air inlet pipe is in communication with one of the vertical air ducts, and the length directions of the first horizontal duct and the first vertical air duct are parallel to the surface of the interception plate.

[0008] Further, the diameters of the first air holes and the second air holes are 50-200 μm.

[0009] Further, the lifting handle is located at the upper edge of the length direction of the intercepting plate, and the lifting handle is a U-shaped rod.

[0010] Further, the cleaning device comprises a hydraulic cylinder, a one-side plate is fixed at the lower left corner of the hydraulic cylinder base, a motor is connected to the hydraulic cylinder telescopic rod, a rotating shaft is connected to the motor output end, a strip-shaped clamping block is arranged on the rotating shaft, a detachable sleeve is arranged on the rotating shaft, a strip-shaped opening is arranged on the sleeve side wall and can be inserted into the strip-shaped clamping block, a plurality of brushes are uniformly distributed on the sleeve, the length direction of the hydraulic cylinder is the same as the length direction of the intercepting plate, the bristles of the brushes on the sleeve are in close contact with the plate surface of the intercepting plate, the length direction of the rotating shaft is parallel to the width direction of the intercepting plate in the same plane, and the lower edge of the intercepting plate is provided with a sliding groove.

[0011] Further, the sliding assembly is a T-shaped plate, the T-shaped plate comprises a horizontal plate and a vertical plate, the vertical plate is arranged in the sliding groove, one end of the horizontal plate is connected to the vertical plate, one end of the vertical plate is connected to the motor, and the height of the vertical plate is less than the height of the opening of the sliding groove, so that the vertical plate can slide along the length direction of the groove and not fall off.

[0012] The intercepting plate is arranged in a hollow sealing structure, and a cross-shaped air pipe is arranged in the filter hole of the intercepting plate, so that the algae passing through the filter hole can be further intercepted, and the first air inlet pipe and the second air pipe can be used to spray high-pressure gas at regular intervals, so that the excessive accumulation of algae in the filter hole is prevented, the filter hole is prevented from being blocked, the filtering effect is affected, and when the algae are most likely to occur in summer, the hydraulic cylinder telescopic rod and the motor can be opened at regular intervals, the motor is rotated to drive the sleeve to rotate, and the brushes on the surface of the sleeve can brush off the algae on the surface of the filter hole and the intercepting plate. After the brushes are used for a long time, a large amount of algae is attached, the sleeve can be directly pulled upward, a new sleeve can be replaced, or the sleeve can be cleaned, and the intercepting plate is cleaned conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The structural schematic diagram of the utility model;

[0014] Figure 2 The installation position diagram of the U-shaped channel steel and the intercepting plate;

[0015] Figure 3 The structural schematic diagram of the sleeve;

[0016] Figure 4 The position relation diagram of the strip-shaped clamping block and the rotating shaft;

[0017] Figure 5 The Figure 1 The enlarged schematic diagram of the middle A. DETAILED DESCRIPTION

[0018] As Figures 1-5 shown in a grid reaction pool outlet algae interception device, including the interception plate 1, interception plate 1 is provided with through the filter hole 2, interception plate 1 is hollow structure, interception plate 1 is provided with several ventilation ducts 3, several ventilation ducts 3 connected with the first air inlet pipe 4, ventilation duct 3 cross and through the filter hole 2, interception plate 1 surface is provided with several first air hole 5, ventilation duct 3 is provided with second air hole 6, second air hole 6 is located in the filter hole 2, first air hole 5 and second air hole 6 are nano microporous, interception plate 1 is provided with the second air inlet pipe 7, the second air inlet pipe 7 is connected with the hollow structure inside the interception plate, interception plate 1 is also provided with pull handle 8, interception plate 1 plate surface is also provided with the cleaning device 9 of cleaning plate surface algae. The filter hole 2 diameter is 0.5-2cm. The several ventilation ducts 3 are located in the interception plate 1 and are distributed in a mesh shape, several ventilation ducts 3 include the closed end of the horizontal duct 31 and the vertical ventilation duct 3, the cross intersection of the horizontal duct 31 and the vertical duct 32 is located in the filter hole 2, the first air inlet pipe 4 is connected with one of the vertical duct 32, the length direction of the first horizontal duct 31 and the first vertical duct 32 is parallel to the plate surface of the interception plate 1. The first air hole 5 and the second air hole 6 diameter is 50-200μm. The pull handle 8 is located in the length direction of the upper edge of the plate surface of the interception plate 1, and the pull handle 8 is a U-shaped rod. The cleaning device 9 includes a hydraulic cylinder 91, a hydraulic cylinder base 911 is fixed to the lower left corner of one side of the plate, a hydraulic cylinder telescopic rod 912 is connected with a motor 92, an output end of the motor 92 is connected with a rotating shaft 93, a length direction of the rotating shaft 93 is perpendicular to a length direction of the hydraulic cylinder telescopic rod 912, a strip-shaped clamping block 94 is arranged on the rotating shaft 93, a length direction of the strip-shaped clamping block 94 is same as the length direction of the rotating shaft 93, the strip-shaped clamping block 94 is located in the middle of the rotating shaft and the length of the strip-shaped clamping block 94 is less than the length of the rotating shaft, a detachable sleeve 95 is arranged on the rotating shaft 93, a strip-shaped opening 951 is arranged on the side wall of the sleeve 95, the strip-shaped opening 951 is inserted into the strip-shaped clamping block 94, brushes are uniformly distributed on the outer surface of the sleeve 95, a length direction of the hydraulic cylinder telescopic rod is same as a length direction of the interception plate 1, the bristles of the brushes on the sleeve 95 are in close contact with the plate surface of the interception plate 1, a length direction of the rotating shaft 93 is parallel to a width direction of the interception plate 1 in the same plane, a sliding groove 96 is arranged on the lower edge of the interception plate 1, a sliding assembly 97 is arranged on the motor 92 and can move along the sliding groove 96, a length direction of the sliding groove 96 is same as a length direction of the interception plate 1. The sliding assembly 97 is a T-shaped plate, the T-shaped plate includes a horizontal plate 971 and a vertical plate 972, the vertical plate 972 is arranged in the sliding groove 96, one end of the horizontal plate 971 is connected with the vertical plate 972, one end of the vertical plate 972 is connected with the motor 92, a height of the vertical plate 972 is less than a height of the opening of the sliding groove 96, so that the vertical plate 972 can slide along the length direction of the groove and does not fall off.

[0019] In use, the intercepting plate 1 is fixed on the water outlet of the grid reaction tank, three U-shaped channel steels 10 can be used, the U-shaped channel steel has perforations, the U-shaped channel steel is fixed on the side wall of the grid reaction tank, the intercepting plate can be inserted into the U-shaped channel steel from top to bottom to play a fixing role, the intercepting plate 1 is fixed on the water outlet, algae are intercepted in the filter holes, and the plate surface of the intercepting plate, when the content of algae is less, air is respectively introduced into the first air inlet pipe 4 and the second air inlet pipe 7, the first air hole 5 and the second air hole 6 blow air to blow away the algae on the filter holes 2, so as to prevent the algae from blocking the filter holes, if the content of algae is too much, the hydraulic cylinder is opened, the hydraulic cylinder extension rod is elongated, the motor moves with the hydraulic rod, the motor is opened, the motor drives the rotating shaft 93 to rotate, the rotating shaft 93 drives the sleeve to rotate, the bristles on the sleeve clean the algae on the filter holes and the plate surface of the intercepting plate, after cleaning, if the sleeve is to be replaced, the sleeve is pulled upwards and is taken off from the rotating shaft 93.

Claims

1. An algal interception device for a grid reactor cell outlet, characterized in that, The interception plate is internally hollow and sealed, and the inside of the interception plate is provided with a plurality of air passage pipes in communication with each other, the plurality of air passage pipes are communicated with a first air inlet pipe, the air passage pipes are crosswise and penetrate the filter holes, the surface of the interception plate is provided with a plurality of first air holes, the air passage pipes are provided with second air holes, the second air holes are located in the filter holes, the first air holes and the second air holes are nano micropores, the interception plate is provided with a second air inlet pipe, the second air inlet pipe is communicated with the hollow structure inside the interception plate, the interception plate is also provided with a pull handle, and the interception plate is also provided with a cleaning device for cleaning the algae on the plate surface.

2. The algal interception device for a grid reactor cell effluent outlet according to claim 1, wherein, The filter hole has a diameter of 0.5-2 cm.

3. The algal interception device for a grid reactor cell effluent outlet of claim 2, wherein, The plurality of air passage pipes are located inside the interception plate and are distributed in a mesh shape, the plurality of air passage pipes include closed end horizontal pipes and vertical air passage pipes, the crosswise communication positions of the horizontal pipes and the vertical air passage pipes are located in the filter holes, the first air inlet pipe is communicated with one of the vertical pipes, and the length directions of the first horizontal pipe and the first vertical pipe are parallel to the plate surface of the interception plate in the same plane.

4. The algal interception device for a grid reactor cell effluent outlet of claim 3, wherein, The first air hole and the second air hole have a diameter of 50-200 μm.

5. The algal interception device for a grid reactor cell effluent outlet of claim 4, wherein, The pull handle is located at the upper edge of the length direction of the plate surface of the interception plate, and the pull handle is a U-shaped rod.

6. The algal interception device for a grid reactor cell effluent outlet of claim 5, wherein, The cleaning device includes a hydraulic cylinder, a side plate is fixed to the lower left corner of the bottom of the hydraulic cylinder, a motor is connected to the hydraulic cylinder, a rotating shaft is connected to the output end of the motor, a strip-shaped clamping block is arranged on the rotating shaft, a detachable sleeve is arranged on the rotating shaft, a strip-shaped opening is arranged on the side wall of the sleeve, the brush is uniformly distributed on the outer surface of the sleeve, the length direction of the hydraulic cylinder is the same as the length direction of the interception plate, the bristles of the brush on the sleeve are in close contact with the plate surface of the interception plate, the length direction of the rotating shaft is parallel to the width direction of the interception plate in the same plane, the lower edge of the interception plate is provided with a sliding groove, a sliding assembly is arranged on the motor and can move along the sliding groove, and the length direction of the sliding groove is the same as the length direction of the interception plate.

7. The algal interception device of the grid reactor cell effluent outlet according to claim 6, characterized in that, The sliding assembly is a T-shaped plate, the T-shaped plate includes a horizontal plate and a vertical plate, the vertical plate is arranged in the sliding groove, one end of the horizontal plate is connected to the vertical plate, one end of the vertical plate is connected to the motor, and the height of the vertical plate is less than the height of the opening of the sliding groove, so that the vertical plate can slide along the length direction of the groove without falling off.

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