CN212467331U - Nonmetal inner inflow hole plate type fine grid - Google Patents
Nonmetal inner inflow hole plate type fine grid Download PDFInfo
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- CN212467331U CN212467331U CN201922383204.9U CN201922383204U CN212467331U CN 212467331 U CN212467331 U CN 212467331U CN 201922383204 U CN201922383204 U CN 201922383204U CN 212467331 U CN212467331 U CN 212467331U
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Abstract
The utility model belongs to the technical field of separation equipment, and discloses a nonmetal inner inflow hole plate type fine grid which is provided with a frame, wherein the frame is arranged in the center of a grid well, a water inlet hole is formed in the water-facing end of the lower part of the frame, and the opposite side of the water inlet hole is a closed end; the automatic slag collecting machine is characterized in that guide rails are arranged on front and rear wall plates of the rack, an internal slag collecting groove is further arranged on the upper portion of the rack and extends out of the machine, flow guide baffles are arranged between two sides of a water facing end of the rack and a channel wall, a driving motor is connected with a forward output shaft of the rack, a traction chain wheel and a guiding device are arranged on the upper portion and the lower portion of two sides of the rack, a screen plate is arranged on the traction chain wheel, a cleaning device is arranged on the side face of the rack, and an. Have reliable self-purification ability in structural design, no filth winding, jamming phenomenon, and the grid bottom does not have the filth and piles up and not form the dead angle. The dirt intercepting surface of the screen plate is not required to be cleaned by a rotary brush, and the combined nonmetal filter screen plate has enough strength and rigidity.
Description
Technical Field
The utility model belongs to the technical field of splitter, especially, relate to a nonmetal interior intake orifice plate-type fine grid.
Background
Currently, the closest prior art: the process of purifying sewage to achieve the water quality requirement for draining a certain water body or reusing the sewage is called sewage treatment. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people. The fine grid of orifice plate type is a device used for filtering sewage, so that impurities in the sewage are filtered out, and further the next step of treatment is carried out. The existing inner inflow hole plate type fine grating is easy to have the phenomena of dirt winding, clamping stagnation and the like, dirt at the bottom of the grating is easy to accumulate to form dead angles, and a rotating brush is needed to clean the dirt intercepting surface of the screen plate; the filter screen plate is easy to generate plastic deformation to influence the normal operation of the equipment.
The existing screen plate has the condition that hair floccules are adsorbed on the grid, and a brush cleaning device is installed, and the brush cleaning device is the root of the problems frequently generated on the machine. The mesh plate made of steel or other metals is difficult to pass through hair floc or fiber floc, is easy to form winding or blockage, and is difficult to effectively remove the adsorption of the hair floc or the floc fibers existing in sewage.
In summary, the problems of the prior art are as follows:
(1) the phenomena of dirt winding, clamping stagnation and the like are easy to occur, and the dirt at the bottom of the grating is easy to accumulate to form dead angles.
(2) The rotating brush is needed to clean the dirt-intercepting surface of the screen plate.
(3) The filter screen plate is easy to generate plastic deformation to influence the normal operation of the equipment.
Disclosure of Invention
To the problem that prior art exists, the utility model provides a nonmetal interior intake orifice plate-type fine grid.
The utility model discloses a realize like this, the thin grid of inflow hole plate-type in this nonmetal includes the frame, rack-mount is in the central authorities of grid well, the end of meeting water in the frame lower part is opened there is a water inlet entrance, its offside is the blind end, be equipped with the guide rail on the wallboard around the frame, its upper portion still is equipped with an inside album cinder notch, and extend to outside the machine, the end both sides of meeting water in the frame and canal wall are arranged between and are had the water conservancy diversion baffle, the forward output shaft of frame has driving motor, the upper portion and the lower part of frame both sides are provided with drive sprocket and guider, the last otter board that is provided with of drive sprocket, the frame side is provided with belt cleaning device.
The utility model discloses a water conservancy diversion baffle of arranging between the end both sides of meeting water and the canal wall of frame, it is in the water conservancy diversion, can prevent that the sewage short stream from directly getting into before straining and straining the back.
Further, the frame is for adopting corrosion resistant plate and shaped steel equipment, welding to become an integral cuboid rigid structure, and the frame bottom sets up the installation base, and fixed with the expansion bolts installation between the shaft bottom platform, the frame material is not less than stainless steel 304, and upper portion is provided with sight glass and inspection hole, and inside is provided with the chute, and the chute is furnished with the chute flushometer.
The utility model discloses the grid frame after equipment, welding should be a rigidity whole, has sufficient intensity and rigidity, does not take place the distortion phenomenon under the operating mode of 1.5 meters water head. The sight glass can observe whether the medium-pressure washing nozzle is blocked or not and whether grid slag is accumulated in the chute or not. The manhole is an openable part, a common channel is adopted when the channel is totally closed, equipment is in a closed state when in operation, peculiar smell in the channel is prevented from overflowing, when the manhole is opened, the manhole is convenient to overhaul and maintain, unnecessary hoisting is avoided when the equipment is maintained, and the flexibility of maintenance and repair is improved.
Furthermore, the screen plate is made of ultra-high molecular polyethylene with the thickness not less than 7mm, the screen surface of the screen plate is regularly arranged 3mm hexagonal conical meshes, the screen plate is detachable in a single piece, and the screen plate are connected in a hinged mode and are self-sealed.
The utility model discloses a non-metallic filter screen grid face of whole continuous type has sufficient water channel to guarantee that water area and flow satisfy the designing requirement, sewage passes through the grid clearance velocity of flow and is less than 1.0 m/s. The nonmetal filter screen plate adopts hexagonal conical meshes, so that the unit water passing area is increased, and the head loss of the equipment is reduced. The hexagonal conical meshes adopt a structural form of 'small inside and large outside', the pressure of backwashing water can be increased, and the winding of linear dirt can be reduced to the greatest extent, so that the treatment capacity of the equipment is improved. The otter board is designed to be detachable, and the otter board can be detached only by loosening the fastening bolts at two ends when the damaged otter board is replaced, and the otter board is maintained and replaced.
Further, a cover plate is arranged on the upper portion of the rack, and the cover plate is of a stainless steel frame attached plate structure.
The utility model discloses a grid overhauls apron adopts the stainless steel frame to attach the board structure, light in weight, intensity are big, and the outward appearance is beautiful, dismouting during convenient maintenance.
Further, the underwater sealing element of the machine frame adopts a parallel surface adjustable sealing element.
The utility model discloses sealing member itself has certain elasticity and toughness, guarantees the sealed of running part and frame within a definite time, and the biggest advantage of plane seal sub-assembly has been avoided the sealed clearance of moving part and firmware frame to remain relative space throughout simultaneously, and suitable equipment is stable sealed for a long time, and the absolute wearing and tearing degree of the at utmost avoiding the sealing member can permanent protection moving part and the leakproofness between the non-moving part.
Further, the cleaning device is provided with an electromagnetic valve, a manual ball valve, a flushing pump, a filtering device and a high-pressure slag removing device, and the cleaning device is provided with an observation hole and an access hole.
The high-pressure slag removing device of the utility model can prevent the linear filth from winding the screen plate, reduce the risk of screen plate blockage, improve the water passing rate of the equipment and ensure the long-term stable operation of the equipment. The flushing system and the grating start and stop simultaneously, most of dirt intercepted by the screen plate can be effectively removed, the material of the spray pipe is stainless steel 304, and the outlet pressure of the flushing water pump is not lower than 0.5 MPa. The flushing system is arranged on the side face of the equipment, adopts a quick-inserting design, is provided with an observation hole and an access hole, and is convenient to use and maintain. The grid built-in chute is furnished with the chute flushometer, can manually open when equipment is inside to have the accumulational condition of grid sediment to clear up the inslot, avoids equipment to shut down scarfing cinder, convenient operation.
To sum up, the utility model discloses an advantage and positive effect do: the utility model discloses have reliable effect of decontaminating, have reliable self-purification ability on structural design, no filth winding, jamming phenomenon, and the grid bottom does not have the filth and piles up and not form the dead angle. The rotary brush is not needed to clean the dirt intercepting surface of the screen plate. Under the condition that the water level difference between the front and the rear of the grating reaches 1.5 m, the combined nonmetal filter screen plate has enough strength and rigidity, and the normal operation of equipment is not influenced by plastic deformation.
The main advantages are that:
1. sewage flows in from the middle of the grating, passes through the filter plate and flows out from two sides, so that the structure is compact, and the occupied area is small;
2. the non-metal mesh plate is made of non-toxic and harmless food-grade ultra-high molecular materials, and is leading in China;
3. the filter plate can be kept clean without being cleaned by a brush;
4. the treatment capacity is large, the device can be suitable for the fluctuation of the inlet water level, and the head loss is small;
5. the efficiency of intercepting substances such as filter residue, fiber and the like is high;
6. the non-metal hexagonal conical screen plate is a special technology;
7. insensitive to crushed stone or gravel filtration;
8. the cover plate is totally closed, and is light and convenient to disassemble;
9. the residue-free material flows through to the site behind the grid.
During operation, the device can continuously and automatically remove solid suspended matters in the filtering water body, not only can remove floating grid slag matters such as wood wedges, branches and bars, plastic products and the like in the water body, but also can effectively remove suspended matters such as hair, fiber matters, flocculent soft matters and the like in the filtering water body, and is ideal high-efficiency pretreatment equipment for a water supply and drainage system. Along with the improvement of the sewage treatment standard upgrading and the improvement of the deep treatment requirement, the scum fiber problem in the later-stage sludge treatment is reduced, especially the MBR process and the BAF process require high-efficiency hair and fiber removal for pretreatment, a nonmetal inner inflow hole plate type fine grid becomes mainstream decontamination equipment, and plays a reliable protection role in the stable operation of a subsequent membrane reactor and a biological filter.
Drawings
Fig. 1 is a schematic structural view of a non-metal internal inflow hole plate type fine grid according to an embodiment of the present invention.
In the figure: 1. an electric cabinet; 2. a cleaning device; 3. a drive motor; 4. a frame; 5. a screen plate; 6. a flow guide baffle plate; 7. and (4) a water inlet hole.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
To solve the problems in the prior art, the utility model provides a nonmetal inner inflow hole plate type fine grid, which is described in detail with the attached drawings.
As shown in fig. 1, the utility model provides a pair of thin grid of influent stream hole board-like in nonmetal includes frame 4, frame 4 installs in the central authorities of grid well, frame 4 lower part is met water end and is opened has a hole 7 of intaking, its offside is the blind end, be equipped with the guide rail on the wallboard around frame 4, its upper portion still is equipped with an inside album cinder notch, and extend to outside the machine, water end both sides and the canal wall of meeting of frame 4 are arranged between and are had water conservancy diversion baffle 6, frame 4 forward output shaft has driving motor 3, the upper portion and the lower part of frame 4 both sides are provided with drive sprocket and guider, the last otter board 5 that is provided with of drive sprocket, frame 4 side is provided with belt cleaning device 2, be close to frame 4 positions and be provided with electric cabinet. The utility model discloses a water conservancy diversion baffle 6 of arranging between the end both sides of meeting water and the canal wall of frame 4, it is in the water conservancy diversion, can prevent that the sewage short stream from directly getting into before straining and straining the back.
Preferably, the drive motor 3 is 380V, three-phase, 50HZ, and the protection class of the motor is IP 55.
Preferably, the rack 4 is an integral cuboid rigid structure formed by assembling and welding a stainless steel plate and profile steel, the bottom of the rack 4 is provided with an installation base, the installation base is fixedly installed on a shaft bottom platform through expansion bolts, the material of the rack 4 is not lower than that of the stainless steel 304, the upper part of the rack is provided with a sight glass and an inspection hole, a chute is arranged inside the rack, and the chute is provided with a chute flushing valve. The utility model discloses grid frame 4 after equipment, welding should be a rigidity whole, has sufficient intensity and rigidity, does not take place distortion phenomenon under the operating mode of 1.5 meters water head. The sight glass can observe whether the medium-pressure washing nozzle is blocked or not and whether grid slag is accumulated in the chute or not. The manhole is an openable part, a common channel is adopted when the channel is totally closed, equipment is in a closed state when in operation, peculiar smell in the channel is prevented from overflowing, when the manhole is opened, the manhole is convenient to overhaul and maintain, unnecessary hoisting is avoided when the equipment is maintained, and the flexibility of maintenance and repair is improved.
Preferably, the screen plate 5 is made of ultra-high molecular polyethylene with the thickness of 9mm, the screen surface of the screen plate 5 is 3mm hexagonal conical mesh openings which are regularly arranged, the screen plate 5 is detachable in a single piece, and the screen plate 5 are connected in a hinged mode and self-sealed. The utility model discloses a 5 bars of non-metallic filter screen board of whole continuous type have sufficient water channel to guarantee that water area and flow satisfy the designing requirement, sewage passes through the bars crack velocity of flow and is less than 0.6 m/s. The nonmetal filter screen plate 5 adopts hexagonal conical meshes, so that the unit water passing area is increased, and the head loss of equipment is reduced. The hexagonal conical meshes adopt a structural form of 'small inside and large outside', the pressure of backwashing water can be increased, and the winding of linear dirt can be reduced to the greatest extent, so that the treatment capacity of the equipment is improved. The otter board 5 is designed to be detachable, the otter board 5 with damaged replacement can be detached only by loosening the fastening bolts at the two ends, and the otter board 5 is maintained and replaced.
Preferably, the upper part of the frame 4 is provided with a cover plate, and the cover plate adopts a stainless steel frame attached plate structure. The utility model discloses a grid overhauls apron adopts the stainless steel frame to attach the board structure, light in weight, intensity are big, and the outward appearance is beautiful, dismouting during convenient maintenance.
Preferably, the underwater sealing element of the frame 4 is a parallel surface adjustable sealing element. The utility model discloses sealing member itself has certain elasticity and toughness, guarantees the sealed of moving part and frame 4 within a definite time, and the biggest advantage of plane seal sub-assembly has been avoided the sealed clearance of moving part and firmware frame to remain relative space throughout simultaneously, and suitable equipment is stable sealed for a long time, and the absolute wearing and tearing degree of the at utmost avoiding the sealing member can permanent protection moving part and the leakproofness between the non-moving part.
Preferably, the cleaning device 2 is provided with an electromagnetic valve, a manual ball valve, a flushing pump, a filtering device and a high-pressure slag removing device, and the cleaning device 2 is provided with an observation hole and a manhole. The utility model discloses a high pressure scarfing cinder device can prevent that threadiness filth from twining otter board 5, reduces otter board 5 and blocks up the risk, and improve equipment water passing rate guarantees the long-term steady operation of equipment. The flushing system and the grating start and stop simultaneously, most of dirt intercepted by the screen plate 5 can be effectively removed, the material of the spray pipe is stainless steel 304, and the outlet pressure of the flushing water pump is not lower than 0.5 MPa. The flushing system is arranged on the side face of the equipment, adopts a quick-inserting design, is provided with an observation hole and an access hole, and is convenient to use and maintain. The grid built-in chute is furnished with the chute flushometer, can manually open when equipment is inside to have the accumulational condition of grid sediment to clear up the inslot, avoids equipment to shut down scarfing cinder, convenient operation.
The utility model discloses when using, at first with 1 controlgear of electronic control box open operating condition, sewage flows in the built-in back through both sides otter board 5 by the entrance to a cave 7 of intaking to in the channel behind the machine is assembled to both sides exhalant canal. The driving motor 3 is arranged on a forward output shaft of the frame 4, the two side screen plates 5 are driven by the driving chain to upwards extract the dirt intercepted in the length range from bottom to top, when the dirt reaches the upper part, the dirt unloading work is automatically completed under the action of the flushing water of the overhead flushing device through the steering function of the chain wheel, and the slag water is automatically discharged out of the machine after being discharged into the slag collecting groove between the two side screen plates 5.
The filtration principle is as follows: inside the needs filterable sewage gets into the grid from the orifice plate grid import frame centre, sewage passes the orifice plate from the grid both sides and flows out, suspended material such as filter residue, hair, fibre is held back at the inner wall of orifice plate, upwards promotes the top to the material of holding back on the inner wall when whole filter orifice plate operation, is equipped with pressure washing water pipeline in top orifice plate outside top, carries out the automatic washing through pressure water to the orifice plate, erodees the filter residue material of holding back to the collection basin the inside below the orifice plate inboard, at last by the delivery flume self-flow to the filter residue pressure filter squeeze dehydration. The whole filtering process and the squeezing dehydration are carried out in a continuous and automatic state.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (5)
1. A nonmetal inner inflow hole plate type fine grid is characterized in that the nonmetal inner inflow hole plate type fine grid is provided with a rack, the rack is installed in the center of a grid well, a water inlet hole is formed in the water facing end of the lower portion of the rack, and the opposite side of the water inlet hole is a closed end;
the automatic slag collecting machine is characterized in that guide rails are arranged on front and rear wall plates of the rack, an internal slag collecting groove is further arranged on the upper portion of the rack and extends out of the machine, flow guide baffles are arranged between two sides of a water facing end of the rack and a channel wall, a driving motor is connected with a forward output shaft of the rack, a traction chain wheel and a guiding device are arranged on the upper portion and the lower portion of two sides of the rack, a screen plate is arranged on the traction chain wheel, a cleaning device is arranged on the side face of the rack, and an.
2. The non-metal internal inflow hole plate type fine grid of claim 1, wherein the frame is assembled with section steel into an integral rectangular steel structure through a stainless steel plate, and a mounting base is arranged at the bottom of the frame;
the frame and the shaft bottom platform are fixedly installed through expansion bolts, the upper portion of the frame is provided with a viewing mirror and an inspection hole, a chute is arranged inside the frame, and the chute is provided with a chute flushing valve.
3. The non-metal internal inflow hole plate type fine grid of claim 1, wherein the mesh surface of the mesh plate is 3mm hexagonal conical mesh holes which are regularly arranged, and the mesh plate are connected in a hinged manner and are arranged in a self-sealing manner.
4. The non-metal internal inflow hole plate type fine grid according to claim 1, wherein a cover plate is arranged at the upper part of the frame, and the cover plate adopts a stainless steel frame auxiliary plate structure.
5. The non-metal inner inflow hole plate type fine grid according to claim 1, wherein the cleaning device is provided with an electromagnetic valve, a manual ball valve, a flushing pump, a filtering device and a high-pressure slag removing device, and the cleaning device is provided with an observation hole and a service hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383204.9U CN212467331U (en) | 2019-12-26 | 2019-12-26 | Nonmetal inner inflow hole plate type fine grid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383204.9U CN212467331U (en) | 2019-12-26 | 2019-12-26 | Nonmetal inner inflow hole plate type fine grid |
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| Publication Number | Publication Date |
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| CN212467331U true CN212467331U (en) | 2021-02-05 |
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| CN201922383204.9U Active CN212467331U (en) | 2019-12-26 | 2019-12-26 | Nonmetal inner inflow hole plate type fine grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415839A (en) * | 2021-07-15 | 2021-09-21 | 南通华新环保科技股份有限公司 | Inflow type grating in large-flux non-metal filter plate and using method thereof |
-
2019
- 2019-12-26 CN CN201922383204.9U patent/CN212467331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415839A (en) * | 2021-07-15 | 2021-09-21 | 南通华新环保科技股份有限公司 | Inflow type grating in large-flux non-metal filter plate and using method thereof |
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