CN210674442U - Be used for big water yield grid of river course water primary filtration - Google Patents

Abstract

The utility model provides a be used for big water yield grid of river course water primary filter, include: the box, the horizontal run-through of final drive shaft is installed at the top of box, a plurality of carousels are installed on final drive shaft at interval side by side, all install the filter screen on every carousel, transmission installs in one side of box and is connected with final drive shaft, the front side of box is provided with a plurality of water inlets, the rear side of box is provided with a plurality of delivery ports, the front side of delivery port is provided with out the basin, back flush water pipe along horizontal installation at the box top and through wash the branch pipe extend to one side of carousel, wash and install a plurality of back flush nozzles on the branch pipe, lie in back flush nozzle relative one side on every carousel and all be provided with back flush dirt receiving tank, back flush dirt receiving tank is close to one side of a basin. This be used for big water capacity grid of river course water primary filtration dirt intercepting nature strong, impact load resistant height and easily clearance.

Description

Be used for big water yield grid of river course water primary filtration

Technical Field

The utility model relates to a grid, concretely relates to be used for big water yield grid of river course water primary filter.

Background

The river water flow is large, the pollution is light, and the sense of surrounding people is seriously affected. The normal river water belongs to flowing running water, the water quality condition is normal under the action of the self-purification capacity of the water body, but some sewer pipelines are connected into the urban area in flowing, domestic sewage or rainwater in a rainstorm period are converged, and extra pollutants such as a large amount of dead leaves, branches, silt and the like can be brought to the river water body. The water has the characteristics that the water quantity has a rich water period and a flat water period along with a rainy season, the water flow is short, and large-particle substances exist. The dry leaf branches and the like enter the river channel, so that the river channel is blocked, the water eutrophication is aggravated, a large amount of bacteria are easy to breed, malodorous gas is generated, the ecological environment of the water body is influenced, the oxygen deficiency is caused, aquatic organisms are poisoned, and the water environment is deteriorated.

Chinese patent publication No. CN207210056U discloses an ecological soft surrounding grid applied to river regulation, which comprises a grid body, wherein two sides of the grid body are river banks, and the extending sections of the river banks are provided with turf protecting slopes and flood control channels, the grid body is provided with a fixed steel pipe, the fixed steel pipe is provided with a nylon steel rope, and the grid body is provided with a biological filler; the soft surrounding grid can not influence the circulation of water, forms a relatively closed water body, has a protective effect on a water body ecological system in an engineering implementation unit, and can also be used as a carrier of microorganisms to improve the water quality. However, the ecological soft surrounding grating has large construction amount, is blocked at the same time, is difficult to clean, has poor dirt interception performance and low impact load resistance.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of existence among the prior art, the utility model provides a be used for big water capacity grid of river course water primary filter, it is strong to cut dirty nature, and impact-resistant load is high and easily clearance.

In order to realize the technical scheme, the utility model provides a be used for big water yield grid of river course water primary filter, include: the box, the first half of box sets up to open-type structure, and final drive shaft transversely runs through to install at the top of box, and a plurality of carousels are installed on final drive shaft at the interval side by side, all installs the filter screen on every carousel, and transmission installs in one side of box and is connected with final drive shaft, the front side of box is provided with a plurality of water inlets, the rear side of box is provided with a plurality of delivery ports, and the front side of delivery port is provided with out the basin, and back flush water pipe is along transversely installing at the box top and extending to one side of carousel through washing the branch pipe, wash and install a plurality of back flush nozzles on the branch pipe, lie in back flush nozzle relative one side on every carousel and all be provided with the back flush and connect dirty groove, back flush and connect dirty groove one.

In the technical scheme, the large-water-volume grating is attached to the outlet of a sewer pipeline in a river channel and is mounted on the riverbed in an adherence manner, sewage enters the grating semi-cylindrical box body from the water inlet of the grating, large-particle suspended matters in the sewage are intercepted by the filter screen through the filter screen fixed on the turntable, the filtered water enters a purified water outlet area behind the filter screen, the purified water is discharged from the water outlet and enters the water outlet groove, and the filtered water overflows out of the grating equipment and is discharged into the river channel after full flow. The transmission device drives the rotary table to rotate at a constant speed, the polluted filter screen is rotated to an upper backwashing area, tap water is sprayed out from a backwashing nozzle from inside to outside through a backwashing water pipe at high pressure, the filter screen is cleaned, and the filter screen is rotated to the position below the water surface for continuous filtration after being cleaned. The washed sundries fall to the back washing dirt receiving groove along with the water flow and are discharged through the dirt discharge pipe.

Preferably, the transmission device comprises a driving motor, a driving chain and a gear, the gear is mounted on the main transmission shaft, the driving motor is mounted on the box body, the driving motor and the gear are connected through the driving chain, in the actual operation process, the driving motor drives the gear to rotate together with the main transmission shaft through the driving chain, and the main transmission shaft drives the turntable to rotate at a constant speed.

Preferably, one side installation sealing rubber ring of carousel bottom and box contact, sealing rubber ring's effect guarantees sealed effect when the carousel rotates smoothly, reduces the water leakage rate.

Preferably, the filter screen is formed by weaving stainless steel wires vertically and horizontally so as to improve impact load resistance.

The utility model provides a beneficial effect lies in: this be used for big water gauge grid of river course water primary filter to intercept dirt nature strong, impact load resistant height and easily clearance, in the actual work process, only need press close to in the river course with this big water gauge grid sewer outlet adherence installation or install on the riverbed, sewage gets into in the grid semi-cylindrical box from the water inlet of grid, see through fixed filter screen on the carousel, large granule suspended solid is intercepted by the filter screen in the sewage, it gets into filter screen rear net water outlet area to strain back water, discharge from the delivery port and get into out the basin, overflow out the grid equipment and discharge into the river course after the full flow. And through setting up the back flush shower nozzle, can wash the filter screen clean, the filter screen shifts to the surface of water after the cleaning and continues filtering, and debris that are washed down fall to back flush dirt receiving tank along with rivers, and rethread blow off pipe is discharged.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic perspective view ii of the present invention.

Fig. 3 is a rear view of the present invention.

Fig. 4 is a front view of the present invention.

Fig. 5 is a plan view of the present invention.

Fig. 6 is a side view of the present invention.

In the figure: 1. a water inlet; 2. a turntable; 3. filtering with a screen; 4. a drive motor; 5. driving the chain; 6. a gear; 7. a main drive shaft; 8. a box body; 9. a water outlet groove; 10. a backwash water pipe; 11. a water outlet; 12. backwashing the spray head; 13. backwashing the sewage receiving tank; 14. a blow-off pipe; 15. and sealing the rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step are within the scope of the present invention.

Example (b): a large-water-volume grating for primary filtering of river water.

Referring to fig. 1 to 6, a primary filtering large-volume grille for river water comprises: the box body 8 is designed into a semi-cylindrical shape with an open-type structure at the upper half part, a main transmission shaft 7 transversely penetrates through the top of the box body 8, four rotary tables 2 are arranged on the main transmission shaft 7 side by side at intervals, a filter screen 3 is arranged on each rotary table 2, the filter screen 3 is a filter screen woven by stainless steel wires longitudinally and transversely so as to improve impact load resistance, a transmission device is arranged on one side of the box body 8 and is connected with the main transmission shaft 7, the transmission device comprises a driving motor 4, a driving chain 5 and a gear 6, the gear 6 is arranged on the main transmission shaft 7, the driving motor 4 is arranged on the box body 8, the driving motor 4 is connected with the gear 6 through the driving chain 5, in the actual operation process, the driving motor 4 drives the gear 6 to rotate together with the main transmission shaft 7 through the driving chain 5, and the main transmission shaft, the front side of box 8 is provided with the water inlet 1 that three parallel interval set up, the rear side of box 8 is provided with two delivery ports 11, and the front side of delivery port 11 is provided with out basin 9, and backwash water pipe 10 is followed transversely and is installed at box 8 top and through washing one side that the branch pipe extends to carousel 2, wash and install a plurality of back flush shower nozzles 12 on the branch pipe, lie in on every carousel 2 that one side that back flush shower nozzle 12 is relative all be provided with the back flush and connect dirty groove 13, one side that back flush connects dirty groove 13 to be close to out basin 9 is provided with blow off pipe 14, and carousel 2 bottom and one side installation sealing rubber ring 15 of box 8 contact, sealing rubber ring 15's effect is guaranteed sealed effect when carousel 2 smoothly rotates, reduces the water leakage rate.

This be used for big water yield grid of river course water primary filter to intercept dirt nature strong, impact-resistant load is high and easily clearance, in the in-service use process, only need press close to the interior sewer pipe outlet adherence installation of river course with this big water yield grid or install on the riverbed, sewage is from 1 entering grid semi-cylindrical box 8 of water inlet of grid, see through fixed filter screen 3 on the carousel 2, the large granule suspended solid is intercepted by filter screen 3 in the sewage, it gets into filter screen 3 rear water purification delivery area to strain the back water, discharge from delivery port 11 and get into out basin 9, overflow out grid equipment discharge river course after the full flow. The transmission device drives the rotary disc 2 to rotate at a constant speed, the polluted filter screen 3 rotates to the upper backwashing area, tap water is sprayed out from the backwashing water pipe 10 from the backwashing spray head 12 at a high pressure from inside to outside, the filter screen 3 is cleaned, and the filter screen 3 is rotated to the position below the water surface for continuous filtration after being cleaned. The washed sundries fall to the back washing dirt receiving groove 13 along with the water flow and are discharged through the drain pipe 14.

The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the accompanying drawings, and therefore, all equivalents and modifications that can be accomplished without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims (4)

1. A be used for big water yield grid of preliminary filtration of riverway water, its characterized in that includes: the box, the first half of box sets up to open-type structure, and final drive shaft transversely runs through to install at the top of box, and a plurality of carousels are installed on final drive shaft at the interval side by side, all installs the filter screen on every carousel, and transmission installs in one side of box and is connected with final drive shaft, the front side of box is provided with a plurality of water inlets, the rear side of box is provided with a plurality of delivery ports, and the front side of delivery port is provided with out the basin, and back flush water pipe is along transversely installing at the box top and extending to one side of carousel through washing the branch pipe, wash and install a plurality of back flush nozzles on the branch pipe, lie in back flush nozzle relative one side on every carousel and all be provided with the back flush and connect dirty groove, back flush and connect dirty groove one.

2. The primary filtration mass flow grid for use in river water according to claim 1 wherein: the transmission device comprises a driving motor, a driving chain and a gear, the gear is installed on a main transmission shaft, the driving motor is installed on the box body, and the driving motor and the gear are connected through the driving chain.

3. The primary filtration mass flow grid for use in river water according to claim 1 wherein: and a sealing rubber ring is arranged on one side of the bottom of the rotary table, which is in contact with the box body.

4. The primary filtration mass flow grid for use in river water according to claim 1 wherein: the filter screen is woven by stainless steel wires vertically and horizontally.

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