Municipal garden filters drainage device
Technical Field
The invention relates to the field of rainwater purification equipment, in particular to a municipal garden filtering and draining device.
Background
With the acceleration of the urbanization process, the problems of urban water resource shortage, water environment pollution, flood disasters, ecological environment deterioration and the like in China are very serious, and rainwater is taken as a key element in a water circulation system and plays an important role in the process of constructing the urban sustainable water circulation system. Drainage system in municipal works divide into rainwater drainage system and sewage discharge system, rainwater among the rainwater drainage system constantly discharges the river, municipal rainwater sees from the change of quality of water, the initial stage rainwater is because contain ground filth (the car drips the petrol that leaks, chemical powder or liquid that drops in the transportation, silt, tiny suspended solid, fallen leaves, domestic waste etc.) make suspended solid concentration higher, quality of water is relatively poor, along with the continuation of rainfall, above-mentioned ground filth washes under the washing of rainwater less and less, rainwater turbidity is with it lower and lower, quality of water is also getting better and tends to stability.
Especially when municipal garden rainwater filters, a large amount of impurity blocks up filtering drainage device easily, leads to the unable drainage of rainwater to arouse waterlogging, be unfavorable for municipal drainage's demand, consequently, need provide a municipal garden filtering drainage device, aim at solving above-mentioned problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a municipal garden filtering and draining device to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a municipal garden filtering and draining device comprises a top cover, a filter screen cylinder, a base and a bottom cover, wherein the upper end of the base is connected with the top cover through a connecting rod, the bottom of the top cover is connected with an upper baffle disc, the top of the base is connected with a lower baffle disc, the filter screen cylinder is arranged between the upper baffle disc and the lower baffle disc, the outer side surface of the filter screen cylinder is provided with a plurality of cleaning bristles, a main water pipe is arranged inside the filter screen cylinder, the top end of the main water pipe is connected with a driving shaft through a coupler, and the bottom end of the main water pipe penetrates through a water outlet in the base and then is connected with a water inlet joint;
the main water pipe is connected with a plurality of branch water pipes through connecting sleeves, the outer ends of the branch water pipes are communicated with cleaning water pipes, the cleaning water pipes are arranged along the side wall of the filter screen cylinder, a plurality of spray heads are arranged on the cleaning water pipes, and the spray heads are arranged towards the outer side of the filter screen cylinder.
As a further scheme of the invention, the number of the connecting rods between the top cover and the base is at least two, and the connecting rods are distributed at equal intervals along the same circumferential direction.
As a further scheme of the invention, the filter screen cylinder is of a cylindrical structure formed by weaving metal wires, the length of the cleaning bristles is 1-5cm, the connecting rod on the outer side of the filter screen cylinder is provided with the cleaning brush, and the bristles of the cleaning brush and the cleaning bristles of the filter screen cylinder are arranged in a staggered mode.
As a further scheme of the invention, the driving shaft is connected with a motor shaft of the motor after penetrating through the upper baffle disc and the through hole in the middle of the top cover.
As a further scheme of the invention, the water inlet connector is fixed below the base through a fixed rod, the bottom of the main water pipe is rotatably arranged in the water inlet connector and is communicated with the inside of the water inlet connector, the water inlet connector is connected with a water pump through a water inlet pipe, the water pump is arranged in a water storage tank in a bottom cover, and the bottom cover is fixed below the base.
As a further scheme of the invention, the middle part of the bottom end of the bottom cover is welded with a connector, the connector is in threaded connection with a drain pipe, and a sealing ring is arranged between the drain pipe and the connector.
As a further scheme of the invention, a filter screen is arranged at the water inlet of the water pump, and the aperture of the filter screen is smaller than the diameter of the spray hole of the spray head.
As a further scheme of the invention, a flow deflector is arranged below the water outlet.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
the municipal garden filtering and draining device is simple in structure and convenient to install, the bottom cover and the draining pipe are pre-buried below the base, the draining pipe is communicated with a sewer, the filtering net barrel is driven to rotate after the motor is started, the filtering net barrel filters gathered rainwater, meanwhile, under the action of centrifugal force, sundries attached to the outer wall of the filtering net barrel are thrown out, the cleaning bristles prevent the sundries from approaching the filtering net barrel, the cleaning brush timely removes the sundries attached to the filtering net barrel and the cleaning bristles, and the filtering net barrel is effectively prevented from being blocked; secondly, water sprayed from the spray head is sprayed to the outer wall of the filter screen cylinder, so that impurities attached to the filter screen cylinder are washed away and the filter screen cylinder is cleaned.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
Fig. 2 is a schematic structural diagram of a filter screen cylinder in the invention.
Fig. 3 is a schematic structural view of the main water pipe in the invention.
Reference numerals: 1-motor, 2-top cover, 3-driving shaft, 4-upper baffle disc, 5-coupling, 6-connecting rod, 7-cleaning brush, 8-main water pipe, 9-cleaning water pipe, 10-nozzle, 11-branch water pipe, 12-connecting sleeve, 13-cleaning brush hair, 14-filter screen cylinder, 15-lower baffle disc, 16-water outlet, 17-base, 18-bottom cover, 19-water storage tank, 20-connecting head, 21-water outlet pipe, 22-fixed rod, 23-water inlet joint, 24-water inlet pipe and 25-water pump.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, in the embodiment, the municipal garden filtering and draining device comprises a top cover 2, a filter screen cylinder 14, a base 17 and a bottom cover 18, wherein the upper end of the base 17 is connected with the top cover 2 through a connecting rod 6, and the number of the connecting rods 6 between the top cover 2 and the base 17 is at least two and the connecting rods are distributed at equal intervals along the same circumferential direction; the bottom of the top cover 2 is connected with an upper baffle disc 4, the top of the base 17 is connected with a lower baffle disc 15, a filter screen cylinder 14 is installed between the upper baffle disc 4 and the lower baffle disc 15, the filter screen cylinder 14 is of a cylindrical structure formed by weaving metal wires, a plurality of cleaning bristles 13 are arranged on the outer side surface of the filter screen cylinder 14, the length of each cleaning bristle 13 is 1-5cm, a cleaning brush 7 is installed on a connecting rod 6 on the outer side of the filter screen cylinder 14, the bristles of the cleaning brush 7 and the cleaning bristles 13 of the filter screen cylinder 14 are arranged in a staggered mode, and when the filter screen cylinder 14 rotates, the cleaning brush 7 is convenient for cleaning the outer wall of the filter screen cylinder and cleaning sundries attached to the bristles 13.
A main water pipe 8 is arranged in the filter screen cylinder 14, the main water pipe 8 is connected with a plurality of branch water pipes 11 through a connecting sleeve 12, the outer ends of the branch water pipes 11 are communicated with a cleaning water pipe 9, the cleaning water pipe 9 is arranged along the side wall of the filter screen cylinder 14, a plurality of spray heads 10 are arranged on the cleaning water pipe 9, the spray heads 10 face the outer side of the filter screen cylinder 14, the top end of the main water pipe 8 is connected with a driving shaft 3 through a coupler 5, the driving shaft 3 is connected with a motor shaft of the motor 1 after penetrating through holes in the middle parts of the upper baffle disc 4 and the top cover 2, after the motor 1 is started, the motor shaft drives the driving shaft 3, the main water pipe 8 and the filter screen cylinder 14 arranged on the main water pipe to rotate together, the filter screen cylinder 14 filters gathered rainwater, meanwhile, under the action of centrifugal force, sundries attached to the outer wall of the filter screen cylinder 14 are thrown out, the brush bristles 13 are cleaned to prevent the sundr, effectively avoiding the filter screen cylinder 14 from being blocked.
The bottom end of the main water pipe 8 penetrates through a water outlet 16 on the base 17 and then is connected with a water inlet connector 23, the water inlet connector 23 is fixed below the base 17 through a fixing rod 22, the bottom of the main water pipe 8 is rotatably arranged in the water inlet connector 23 and is communicated with the inside of the water inlet connector 23, the water inlet connector 23 is connected with a water pump 25 through a water inlet pipe 24, the water pump 25 is installed in a water storage tank 19 in the bottom cover 18, and the bottom cover 18 is fixed below the base 17.
The welding of 18 bottom middle parts of bottom has connector 20, and 20 threaded connection drain pipes 21 of connector are equipped with the sealing washer between drain pipe 21 and the connector 20, and when installing, bottom 18 and drain pipe 21 are pre-buried in base 17 below, and drain pipe 21 communicates with the sewer.
In order to avoid the blockage of the water inlet of the water pump 25 and the nozzle 10, further, in this embodiment, a filter screen is installed at the water inlet of the water pump 25, and the aperture of the filter screen is smaller than the diameter of the spray hole of the nozzle 10, so that when the water pump 25 sucks water in the water storage tank 19 and enters the nozzle 10 along the water inlet pipe 24, the main water pipe 8, the branch water pipe 11 and the cleaning water pipe 9 and is sprayed out, the blockage of the spray hole of the nozzle 10 is avoided, the water sprayed out by the nozzle 10 is sprayed to the outer wall of the filter screen cylinder 14, and impurities attached to the filter screen cylinder 14 are washed away and the filter screen cylinder 14 is cleaned.
After filtered rainwater enters the bottom cover 18 along the water outlet 16, the rainwater washes the water storage tank 19 and is beneficial to washing away impurities or dust accumulated in the water storage tank 19 and entering the water outlet pipe 21 to be discharged into a sewer, and in order to be beneficial to washing the water storage tank 19 by water flow, preferably, a flow deflector is arranged below the water outlet 16, so that water flowing down from the water outlet 16 is directly guided to the inner wall of the bottom cover 18 on the upper side of the water storage tank 19, and the water flows into the water outlet pipe 21 to be discharged after washing the water storage tank 19.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.