CN212893992U - Filter screen plate, meshed screen plate assembly and internal inflow grating dirt remover - Google Patents

Filter screen plate, meshed screen plate assembly and internal inflow grating dirt remover Download PDF

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Publication number
CN212893992U
CN212893992U CN202022086734.XU CN202022086734U CN212893992U CN 212893992 U CN212893992 U CN 212893992U CN 202022086734 U CN202022086734 U CN 202022086734U CN 212893992 U CN212893992 U CN 212893992U
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China
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filter screen
plate
screen
assembly
plates
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Chinese (zh)
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王敏
戴家旗
徐时红
戴家凤
陈娟
于德顺
梁杰
孟卫莉
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Jiangsu Tianhong Environmental Engineering Co ltd
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Jiangsu Tianhong Environmental Engineering Co ltd
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Abstract

The utility model belongs to the technical field of sewage treatment device. A filter screen plate comprises a filter screen, a connecting sleeve and a mounting plate; the filter screen comprises a horizontal part and an inclined part which are connected; the inclined part is provided with a connecting sleeve, the horizontal part is provided with an arc-shaped connecting plate, and the arc-shaped connecting plate is matched with the connecting sleeve; the two ends of the filter screen are respectively provided with a mounting plate. The utility model provides an interlock formula otter board subassembly, comprises a plurality of filter screen board end to end connection, and adjacent two relative connecting sleeve, the arc connecting plate hook joint that set up of filter screen board are connected, form interlock formula connection structure. An interior influent stream grid cleaner includes above-mentioned interlock formula otter board subassembly. The utility model discloses with solve between the current filter plane filter plate gap and lead to the filth to dash out from the gap greatly and lead to blockking up and then take place the technical problem of jamming.

Description

Filter screen plate, meshed screen plate assembly and internal inflow grating dirt remover
Technical Field
The utility model belongs to the technical field of sewage treatment device, concretely relates to filter screen plate, interlock formula otter board subassembly, interior influent stream grid de-dirt machine.
Background
The current inner inflow type rotary grid cleaner adopts a plane filter screen plate, comprises a screen plate frame and a filter screen plate in the screen plate frame, wherein the screen plate frame is directly welded on a chain plate of a transmission chain, and the long-term operation is followed by the following problems: the gap between the screen plate and the screen plate is gradually enlarged, so that dirt is flushed out from the gap between the screen plates, the screen plate and the screen plate are clamped, and the dirt impacts the transmission chain, the driving shaft and the driven shaft, so that the chain, the driving shaft and the driven shaft are clamped.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a filter plate to solve the technical problem that the gap leads to the filth to dash out from the gap and lead to blockking up and then take place the jamming greatly between the filter plate is crossed to current plane.
In order to solve the technical problem, the utility model adopts the following technical scheme that the filtering screen plate is characterized in that the filtering screen plate comprises a filtering screen, a connecting sleeve and a mounting plate;
the filter screen comprises a horizontal part and an inclined part which are connected;
the inclined part is provided with a connecting sleeve, the horizontal part is provided with an arc-shaped connecting plate, and the arc-shaped connecting plate is matched with the connecting sleeve;
the two ends of the filter screen are respectively provided with a mounting plate.
Compared with the prior art, the technical scheme has the following beneficial effects: the utility model discloses improve current plane otter board for V-arrangement structure otter board, V-arrangement structure otter board both sides design connecting sleeve and arc connecting plate respectively, and the arc connecting plate cooperatees with the connecting sleeve. When the device is used, the arc-shaped connecting plates are positioned outside the connecting sleeves between the screen plates and are in hooked connection with the connecting sleeves, so that no gap exists between the screen plates and dirt is prevented from being flushed out from a gap between the two screen plates.
For solving the technical problem that the filter screen middle part supports intensity not enough, it is right the utility model discloses make further improvement, the middle part sets up the reinforcing plate in the filter screen, and the reinforcing plate sets up with the filter screen is perpendicular, the reinforcing plate respectively with filter screen horizontal part and rake rigid coupling.
The utility model discloses set up the reinforcing plate at filter plate middle part, support filter plate middle part through the reinforcing plate, prevent to filter the long-time use of screen plate and lead to subsiding.
In order to solve the technical problem of unsatisfactory installation of the effect of intercepting filth of the filter screen plate, the utility model is further improved, dense round holes are uniformly distributed on the filter screen between the reinforcing plate and the installation plate, and the inner diameter of the round holes is 1.5-6 mm.
The utility model discloses be the thin grid structure with the otter board design, improved filth and held back efficiency.
For solving the problem that the garbage collection volume on single otter board is few, it is right the utility model discloses make further improvement, the radius angle sets up between filter screen horizontal part and the rake, has increased the volume in the filter screen, has improved the garbage collection volume.
For solving the few problem of the rubbish collection volume on single otter board, it is right the utility model discloses make further improvement, contained angle between filter screen horizontal part and the rake is 60-70, and the contained angle between increase horizontal part and the rake has further increased the volume of filter screen, has improved rubbish collection volume.
For solving the problem of easily rusting of the filter screen plate, it is right to the utility model discloses make further improvement, the material of filtering the screen plate is 304 stainless steel, has improved the life of filtering the screen plate.
The second objective of the utility model is to provide an interlock formula otter board subassembly to solve the current technical problem that filters the otter board and use for a long time and lead to the otter board gap grow of crossing.
For solving the technical problem, the utility model discloses a following technical scheme, an interlock formula otter board subassembly comprises a plurality of foretell filter plate end to end connection, and adjacent two filter plate connect with the connecting sleeve, the arc connecting plate hook that set up relatively, form interlock formula connection structure.
The utility model discloses an interlock formula structure between the otter board, through the cooperation of connecting sleeve and arc connecting plate between otter board and the otter board, guarantee the seamless butt joint of junction, stopped the junction filth and blockked up the otter board junction.
The third purpose of the utility model is to provide an interior influent stream grid sewage treatment machine to solve the big filth in current grid sewage treatment machine otter board gap and dash out the technical problem who leads to grid sewage treatment machine jamming from the gap.
In order to solve the technical problem, the utility model adopts the following technical scheme that the internal inflow grid sewage remover comprises a frame, wherein the lower part of the frame is used as a water inlet unit, the upper part of the frame is used as a slag discharging unit, a water inlet is arranged on the upstream surface of the water inlet unit, and guide plates for preventing sewage from flowing into the grid sewage remover from the two sides of the water inlet are arranged on the two sides of the water inlet; the meshed screen plate component forms a rotary filtering channel; two sides of the meshed screen plate component and two corresponding side walls of the rack form a water outlet channel respectively;
the upper part of the rack is provided with a driving assembly for driving the transmission chain assembly to drive the meshed screen plate assembly to rotate; the driving assembly, the transmission chain assembly and the meshed screen plate assembly form a rotary filtering channel;
the transmission chain assembly comprises a first transmission chain and a second transmission chain, connecting rods are arranged between the first transmission chain and the second transmission chain and correspond to the filter screen plates one by one, connecting sleeves of the filter screen plates are arranged on the connecting rods, mounting plates at two ends of each filter screen plate are fixedly connected with the corresponding chain plates of the first transmission chain and the second transmission chain, and the connecting sleeves and the arc-shaped connecting plates of two adjacent filter screen plates are oppositely arranged and are in hooking connection to form an occlusion type connecting structure;
the top of the rack is provided with a spraying and washing assembly for spraying and washing dirt on the meshed screen plate assembly;
and a slag discharging assembly is arranged in the frame and used for collecting dirt on the meshed screen plate assembly.
The utility model discloses grid scrubbing machine adopts interlock formula arc otter board subassembly, guarantees otter board junction seamless connection, prevents that the filth from dashing out from the gap between the otter board, causes the jamming phenomenon in reacing drive chain subassembly, the drive assembly.
In addition, the gap is big between the otter board, accumulates the filth easily, leads to the jamming between the otter board, the utility model discloses a interlock formula arc otter board subassembly guarantees the seamless connection of otter board junction, prevents to appear the jamming phenomenon between the otter board.
To the utility model discloses do the further improvement, interior inflow otter board grid sewage removing machine 90 perpendicular installations, interior inflow otter board grid sewage removing machine installation direction is unanimous with the rivers direction.
It is right the utility model discloses do the further improvement, drive assembly includes the driving shaft, and the driving shaft passes through axle dress formula gear box and motor drive, fixed drive sprocket on the driving shaft, and the frame lower part sets up driven sprocket, and interlock formula otter board subassembly is established to the cover on the driven sprocket of drive sprocket, and drive sprocket drives the interlock formula otter board subassembly of fixing on the drive chain subassembly and rotates.
Drawings
Fig. 1 is a front view of the internal inflow type screen plate grid cleaner of the present invention.
Fig. 2 is a side view of the inner inflow type screen plate grille cleaner of the present invention.
Fig. 3 is a top view of the inner inflow type screen plate grille cleaner of the present invention.
FIG. 4 is a side view of the screen plate of the internal flow type screen plate grille cleaner of the present invention.
FIG. 5 is a perspective view of the screen plate of the internal inflow type screen plate grille cleaner of the present invention.
FIG. 6 is a perspective view of the screen plate of the internal inflow type screen plate grille cleaner of the present invention.
Detailed Description
As shown in fig. 4, 5 and 6, a filter screen plate 3 comprises a filter screen 30, a connecting sleeve 31, an arc-shaped connecting plate 32 and a mounting plate 33.
The filter screen comprises a horizontal part 301 and an inclined part 302 which are connected; the inclined part is provided with a connecting sleeve, the horizontal part is provided with an arc-shaped connecting plate, and the arc-shaped connecting plate is matched with the connecting sleeve. The inclined portion 302 includes a first inclined portion 3021 and a second inclined portion 3022. The first inclined portion 3021 is connected to the horizontal portion. The first and second inclined portions 3021 and 3022 are arranged at an obtuse angle.
The two ends of the filter screen are respectively provided with a mounting plate 33, and the mounting plate 33 is provided with 3 connecting holes 331.
The utility model discloses improve current plane otter board for V-arrangement structure otter board, V-arrangement structure otter board both sides design connecting sleeve and arc connecting plate respectively, and the arc connecting plate cooperatees with the connecting sleeve. When the device is used, the arc-shaped connecting plates are positioned outside the connecting sleeves between the screen plates and are in hooked connection with the connecting sleeves, so that no gap exists between the screen plates and dirt is prevented from being flushed out from a gap between the two screen plates.
The middle part in the filter screen 30 sets up reinforcing plate 34, and the reinforcing plate sets up with the filter screen is perpendicular, and the reinforcing plate is respectively with filter screen horizontal part and rake rigid coupling.
The utility model discloses set up the reinforcing plate at filter plate middle part, support filter plate middle part through the reinforcing plate, prevent to filter the long-time use of screen plate and lead to subsiding.
Intensive round holes are uniformly distributed on the horizontal part and the first inclined part between the reinforcing plate and the mounting plate, and the inner diameter of each round hole is 1.5-6 mm.
The utility model discloses be the thin grid structure with the otter board design, improved the filth and held back efficiency, separation efficiency reaches 97%.
The fillet sets up between filter screen horizontal part and the rake, has increased the volume in the filter screen, has improved rubbish collection volume.
The included angle between the horizontal part and the inclined part of the filter screen is 60-70 degrees, the included angle between the horizontal part and the inclined part is increased, the volume of the filter screen is further increased, and the garbage collection amount is improved.
The material of the filter screen plate is 304 stainless steel, so that the service life of the filter screen plate is prolonged.
As shown in fig. 1-6, an engagement type screen plate assembly is formed by connecting a plurality of the filter screen plates end to end, and connecting sleeves and arc-shaped connecting plates which are oppositely arranged on two adjacent filter screen plates are hooked and connected to form an engagement type connecting structure.
The utility model discloses an interlock formula structure between the otter board, through the cooperation of connecting sleeve and arc connecting plate between otter board and the otter board, guarantee the seamless butt joint of junction, stopped the junction filth and blockked up the otter board junction.
As shown in fig. 1-6, the internal inflow type screen plate grid sewage remover comprises a frame 7, wherein the lower part of the frame is used as a water inlet unit, and the upper part of the frame is used as a slag discharging unit. The frame is a rectangular stainless steel structure made of stainless steel sectional materials and steel plates and can sufficiently meet the required load requirement. The frame comprises side plates 71 and an upper sealing plate 72. The side plates 71 are connected together by stainless steel cross beams. The cross beam is made of stainless steel pipes and steel plates, and accurate distance between the side plates can be kept after machining.
The upstream surface of the water inlet unit is provided with a water inlet 91, and both sides of the water inlet are provided with guide plates 8 for preventing sewage from flowing into the grid sewage removing machine from both sides of the water inlet.
The meshed screen plate assembly is arranged in the rack from bottom to top; the meshed screen plate component forms a rotary filtering channel; the two sides of the meshed screen plate component and the two corresponding side walls of the frame form a water outlet channel 92 respectively.
The upper part of the frame is provided with a driving assembly 1 for driving the transmission chain assembly to drive the meshed screen plate assembly to rotate; the driving assembly, the transmission chain assembly and the meshed screen plate assembly form a rotary filtering channel.
The transmission chain assembly comprises a first transmission chain 103 and a second transmission chain 104, a connecting shaft 105 is arranged between the first transmission chain and the second transmission chain, the connecting rods are in one-to-one correspondence with the filter screen plates, connecting sleeves of the filter screen plates are arranged on the connecting shaft 105, mounting plates at two ends of each filter screen plate are fixedly connected with chain plates of the corresponding first transmission chain and the corresponding second transmission chain, and the connecting sleeves 111 and the arc-shaped connecting plates 112 of two adjacent filter screen plates are oppositely arranged and hooked to form an occlusion type connecting structure.
The top of the frame is provided with a spray washing component 2 for spraying and washing the dirt on the occlusion type screen plate component.
A slag discharging assembly 6 is arranged in the frame and used for collecting dirt on the meshed screen plate assembly.
The utility model discloses grid scrubbing machine adopts interlock formula arc otter board subassembly, guarantees otter board junction seamless connection, prevents that the filth from dashing out from the gap between the otter board, causes the jamming phenomenon in reacing drive chain subassembly, the drive assembly.
In addition, the gap is big between the otter board, accumulates the filth easily, leads to the jamming between the otter board, the utility model discloses a interlock formula arc otter board subassembly guarantees the seamless connection of otter board junction, prevents to appear the jamming phenomenon between the otter board.
The inner inflow screen plate grid sewage removing machine is vertically installed at 90 degrees, the installation direction of the inner inflow screen plate grid sewage removing machine is consistent with the water flow direction, sewage flows into the machine from the middle water inlet hole, flows out through the screen plates at the two sides, and is converged into a channel behind the machine through the water outlet channels at the two sides. The driving motor is installed on a forward output shaft of the frame, the screen plates on the two sides are driven by the driving chain to pass through the screen plates from bottom to top under the driving of the driving chain to extract the intercepted dirt upwards, when the dirt reaches the upper part, the dirt discharging work is automatically completed under the combined action of the gravity of the slag and the top flushing waterpower through the steering function of the chain wheel, the slag water is discharged into a slag collecting chute between the screen plates on the two sides, the grid slag is flushed to the spiral conveyor along with the water flow, and the grid slag is squeezed and dehydrated after being sent into the high-drainage spiral squeezer through the conveyor.
The mesh plate type grating, namely the occlusion type mesh plate assembly, is characterized in that continuous perforated mesh plates are arranged in parallel to the water flow direction, and a V-shaped containing cavity formed by a filter screen of each mesh plate is used for collecting dirt and lifting the dirt. The design of adoption mode of intaking ensures to make all sewage all get into and discharge from both sides from the grid in the middle of, and rubbish can't overflow to the grid rear.
The rotation of the net plate is completed by a main chain, and the main chain is supported by a track on the upper part of the working platform. The guide rails are equipped with wear strips to protect the main chain and the machine frame. Effective sealing on the fine grid is achieved by moving rubber sealing strips between the mesh plate and the frame, with a seal between each mesh plate. Between each screen plate of the fine grid, a V-shaped containing cavity formed by the filter screen of each screen plate forms a grid slag lifting ladder, and the water flow in front of the grid is formed by a guide plate 8 passing between the grid frame and the civil engineering wall.
The otter board formula grid has reliable effect of decontaminating, has reliable self-purification ability on structural design, and no filth twines, the jamming phenomenon, and no filth in grid bottom piles up and forms the dead angle. Under the condition that the water level difference between the front and the rear of the mesh plate type grating reaches 1.0m, the combined mesh plate has enough strength and rigidity, and the normal operation of the equipment is not influenced by deformation. The grid plate type grating normally runs intermittently, but can also run continuously for 24 hours if necessary, and the linear speed is not more than 6 m/min.
The driving assembly 1 comprises a driving shaft, the driving shaft 101 is driven by a shaft-mounted gear box and a motor, a driving chain wheel 102 is fixed on the driving shaft 101, a driven chain wheel 108 is arranged at the lower part of the frame, an engagement type screen plate assembly 2 is sleeved on the driving chain wheel driven chain wheel, and the driving chain wheel drives the engagement type screen plate assembly fixed on the transmission chain assembly to rotate.
The driving sprocket 102 needs to be fixed on the driving shaft 101, and along with the rotation of the driving shaft, the driving sprocket drives the meshing type arc-shaped screen plate assembly fixed on the first and second transmission chains to continuously and circularly operate, and the driving shaft is driven by a shaft-mounted gear box 106 and a motor 107.
The driving device is arranged at the top of the fine-grid dirt separator, and the filter screen rotates under the driving of the rotating chain.
The driving device adopts a unique shaft-mounted speed reducer and is provided with an overload protection function.
And the spray flushing system 2 is positioned at the top of the plate type grating and is used for cleaning the screen plate. The spray rinsing system comprises a rinsing water pipe 20 and rinsing nozzles 201. The rotary brush is not needed to clean the dirt intercepting surface of the screen plate. The grid slag can be flushed into the slag discharging assembly 6 by using the spraying flushing system and is conveyed to the slag discharging port. A rubber pad 5 is arranged between the slag discharging component 6 and the frame 7 for sealing.
The internal inflow type screen plate grid cleaner has the advantages that the fault-free operation time is more than 20000 hours, the service life of the whole cleaner is more than 25 years, and the water passing capacity of single device is 0.29m3And/s, the separation efficiency is 97%.

Claims (10)

1. A filter screen plate is characterized by comprising a filter screen, a connecting sleeve and a mounting plate;
the filter screen comprises a horizontal part and an inclined part which are connected;
the inclined part is provided with a connecting sleeve, the horizontal part is provided with an arc-shaped connecting plate, and the arc-shaped connecting plate is matched with the connecting sleeve;
the two ends of the filter screen are respectively provided with a mounting plate.
2. A screen panel according to claim 1, wherein a reinforcing plate is provided in the middle of the screen, the reinforcing plate being provided perpendicular to the screen, the reinforcing plate being fixedly connected to the horizontal portion and the inclined portion of the screen, respectively.
3. A filter screen plate according to claim 2, wherein the filter screen between the reinforcing plate and the mounting plate is uniformly provided with dense round holes, and the inner diameter of the round holes is 1.5-6 mm.
4. A screen panel according to claim 1 wherein the horizontal portion and the inclined portion of the screen are radiused.
5. A screen panel according to claim 1 wherein the angle between the horizontal portion and the inclined portion of the screen is 60 to 70 °.
6. A filter screen according to claim 1 wherein the filter screen is made of stainless steel.
7. An engaged screen plate assembly, which is characterized in that the engaged screen plate assembly is formed by connecting a plurality of filter screen plates according to any one of claims 1 to 5 end to end, and connecting sleeves and arc-shaped connecting plates which are oppositely arranged on two adjacent filter screen plates are hooked and connected to form an engaged connecting structure.
8. The inner inflow grille decontamination machine comprises a frame, the lower part of the frame is used as a water inlet unit, the upper part of the frame is used as a slag discharge unit, a water inlet is arranged on the upstream surface of the water inlet unit, guide plates for preventing sewage from flowing into the grille decontamination machine from the two sides of the water inlet are arranged on the two sides of the water inlet,
arranging the bite type mesh plate assembly of claim 7 from bottom to top in the frame; the meshed screen plate component forms a rotary filtering channel; two sides of the meshed screen plate component and two corresponding side walls of the rack form a water outlet channel respectively;
the upper part of the rack is provided with a driving assembly for driving the transmission chain assembly to drive the meshed screen plate assembly to rotate; the driving assembly, the transmission chain assembly and the meshed screen plate assembly form a rotary filtering channel;
the transmission chain assembly comprises a first transmission chain and a second transmission chain, connecting rods are arranged between the first transmission chain and the second transmission chain and correspond to the filter screen plates one by one, connecting sleeves of the filter screen plates are arranged on the connecting rods, mounting plates at two ends of each filter screen plate are fixedly connected with the corresponding chain plates of the first transmission chain and the second transmission chain, and the connecting sleeves and the arc-shaped connecting plates of two adjacent filter screen plates are oppositely arranged and are in hooking connection to form an occlusion type connecting structure;
the top of the rack is provided with a spraying and washing assembly for spraying and washing dirt on the meshed screen plate assembly;
and a slag discharging assembly is arranged in the frame and used for collecting dirt on the meshed screen plate assembly.
9. The internal flow grate cleaner of claim 8 wherein said internal flow grate cleaner is mounted at 90 ° vertical, the direction of the internal flow grate cleaner being aligned with the direction of the water flow.
10. The internal flow grille cleaner of claim 8 wherein the drive assembly includes a drive shaft driven by a shaft mounted gear box and a motor, the drive shaft having a drive sprocket affixed thereto, a driven sprocket disposed on a lower portion of the frame, the drive sprocket having a driven sprocket fitted over the engaged screen assembly, the drive sprocket driving the engaged screen assembly affixed to the drive chain assembly to rotate.
CN202022086734.XU 2020-09-21 2020-09-21 Filter screen plate, meshed screen plate assembly and internal inflow grating dirt remover Active CN212893992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022086734.XU CN212893992U (en) 2020-09-21 2020-09-21 Filter screen plate, meshed screen plate assembly and internal inflow grating dirt remover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022086734.XU CN212893992U (en) 2020-09-21 2020-09-21 Filter screen plate, meshed screen plate assembly and internal inflow grating dirt remover

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112142131A (en) * 2020-09-21 2020-12-29 江苏新天鸿集团有限公司 Occlusion type screen plate assembly and internal inflow grating dirt removing machine
CN114515462A (en) * 2022-03-16 2022-05-20 徐州鑫业达环保科技有限公司 High-efficient gyration grid check de-dirt machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112142131A (en) * 2020-09-21 2020-12-29 江苏新天鸿集团有限公司 Occlusion type screen plate assembly and internal inflow grating dirt removing machine
CN114515462A (en) * 2022-03-16 2022-05-20 徐州鑫业达环保科技有限公司 High-efficient gyration grid check de-dirt machine
CN114515462B (en) * 2022-03-16 2022-12-06 徐州鑫业达环保科技有限公司 High-efficient gyration grid check de-dirt machine

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