CN110409601A - A municipal garden filter drainage device - Google Patents

Abstract

The invention discloses a filter and drainage device for municipal gardens, which belongs to the technical field of rainwater purification equipment and solves the problem that rainwater is easily blocked when filtering rainwater in existing municipal projects. The bottom cover, the bottom cover and the drain pipe connected to it are pre-buried under the base, and the drain pipe is connected to the sewer. When the motor is started, the filter screen cylinder is driven to rotate, and the filter screen cylinder filters the collected rainwater. At the same time, under the action of centrifugal force Next, throw out the debris attached to the outer wall of the filter cylinder, and clean the bristles to prevent the debris from approaching the filter cylinder. The cleaning brush promptly removes the debris attached to the filter cylinder and cleaning bristles, effectively avoiding the clogging of the filter cylinder; , the water sprayed from the nozzle is sprayed to the outer wall of the filter screen cylinder, so as to wash away the impurities attached to the filter screen cylinder and clean the filter screen cylinder.

Description

A municipal garden filter drainage device

technical field

The invention relates to the field of rainwater purification equipment, in particular to a municipal garden filtering and drainage device.

Background technique

With the acceleration of urbanization, some cities in my country have serious problems such as water resource shortage, water environmental pollution, flood disasters and ecological environment deterioration. As a key element in the water cycle system, rainwater is in the process of building a sustainable urban water cycle system play an important role. The drainage system in municipal engineering is divided into rainwater drainage system and sewage drainage system. The rainwater in the rainwater drainage system is continuously discharged to the river. From the perspective of water quality changes in municipal rainwater, the initial rainwater contains ground pollutants (gasoline dripped from cars, transportation The chemical powder or liquid, sediment, fine suspended matter, fallen leaves, household garbage, etc.) that fall from the environment make the concentration of suspended matter higher and the water quality poorer. As the rainfall continues, the above-mentioned ground dirt With less and less rain, the turbidity of rainwater is getting lower and lower, and the water quality is also getting better and stabilizing.

Especially when filtering rainwater in municipal gardens, a large amount of impurities can easily block the filter drainage device, causing rainwater to fail to drain, causing waterlogging, which is not conducive to the needs of municipal drainage. Therefore, it is necessary to provide a municipal garden filter drainage device to solve the above problems. question.

Contents of the invention

Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a municipal garden filter drainage device to solve the above-mentioned problems in the background technology.

To achieve the above object, the present invention provides the following technical solutions:

A municipal garden filter and drainage device, comprising a top cover, a filter cylinder, a base and a bottom cover, the upper end of the base is connected to the top cover through a connecting rod, the bottom of the top cover is connected with an upper baffle plate, the top of the base is connected with a lower baffle plate, the upper A filter screen tube is installed between the baffle plate and the lower baffle plate. There are some cleaning bristles on the outer surface of the filter screen tube. There is a main water pipe inside the filter screen tube. Connect the water inlet connector after going through the drain port on the base;

The main water pipe is connected with several branch water pipes through the connecting sleeve, and the outer ends of the branch water pipes are connected to the cleaning water pipes. The cleaning water pipes are arranged along the side wall of the filter screen cylinder. Several nozzles are arranged on the cleaning water pipes, and the nozzles are arranged towards the outside of the filter screen cylinder.

As a further solution of the present invention, the number of connecting rods between the top cover and the base is at least two and distributed at equal intervals along the same circumferential direction.

As a further solution of the present invention, the filter screen cylinder is a cylindrical structure made of metal wire weaving, the length of the cleaning bristles is 1-5cm, and a cleaning brush is installed on the connecting rod on the outside of the filter screen cylinder, and the bristles of the cleaning brush It is arranged alternately with the cleaning bristles of the filter screen cylinder.

As a further solution of the present invention, the drive shaft is connected to the motor shaft of the motor after passing through the upper stop plate and the through hole in the middle of the top cover.

As a further solution of the present invention, the water inlet joint is fixed below the base through a fixed rod, the bottom of the main water pipe is rotated and arranged in the water inlet joint and communicated with the inside of the water inlet joint, the water inlet joint is connected to the water pump through the water inlet pipe, and the water pump is installed on the In the water storage tank in the bottom cover, the bottom cover is fixed under the base.

As a further solution of the present invention, a connecting head is welded in the middle of the bottom end of the bottom cover, the connecting head is threadedly connected to the drain pipe, and a sealing ring is provided between the drain pipe and the connecting head.

As a further solution of the present invention, a filter screen is installed at the water inlet of the water pump, and the aperture diameter of the filter screen is smaller than that of the nozzle hole.

As a further solution of the present invention, a deflector is provided below the water outlet.

In summary, compared with the prior art, the present invention has the following beneficial effects:

The municipal garden filter and drainage device of the present invention has simple structure and convenient installation. The bottom cover and the drain pipe are pre-buried under the base, and the drain pipe is connected with the sewer. At the same time, under the action of centrifugal force, the debris attached to the outer wall of the filter cylinder is thrown out, the cleaning bristles prevent the debris from approaching the filter cylinder, and the cleaning brush promptly removes the debris attached to the filter cylinder and cleaning bristles , to effectively avoid the clogging of the filter cylinder; secondly, the water sprayed from the nozzle flows to the outer wall of the filter cylinder, so as to wash away the impurities attached to the filter cylinder and clean the filter cylinder.

In order to more clearly illustrate the structural features and functions of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the structural representation of invention.

Fig. 2 is a structural schematic diagram of the filter screen cylinder in the invention.

Fig. 3 is a structural schematic diagram of the main water pipe in the invention.

Reference signs: 1-motor, 2-top cover, 3-drive shaft, 4-upper baffle plate, 5-coupling, 6-connecting rod, 7-cleaning brush, 8-main water pipe, 9-cleaning water pipe, 10-spray head, 11-branch pipe, 12-connecting sleeve, 13-cleaning bristles, 14-filter screen cylinder, 15-lower baffle plate, 16-drain outlet, 17-base, 18-bottom cover, 19-water storage tank, 20-connector, 21-drain pipe, 22-fixed rod, 23-water inlet joint, 24-water inlet pipe, 25-water pump.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1 to 3, in this embodiment, a municipal garden filter drainage device includes a top cover 2, a filter screen cylinder 14, a base 17 and a bottom cover 18, and the upper end of the base 17 is connected to the top cover 2 through a connecting rod 6 , the number of connecting rods 6 between the top cover 2 and the base 17 is at least two and distributed at equal intervals along the same circumferential direction; the bottom of the top cover 2 is connected with an upper baffle plate 4, and the top of the base 17 is connected with a lower baffle plate 15, A filter screen cylinder 14 is installed between the upper baffle plate 4 and the lower baffle plate 15. The filter screen cylinder 14 is a cylindrical structure formed of wire weaving. The outer surface of the filter screen cylinder 14 is provided with some cleaning bristles 13. The length is 1-5cm, and cleaning brush 7 is installed on the connecting rod 6 outside filter screen cylinder 14, and the bristles of cleaning brush 7 and the cleaning bristle 13 of filter screen cylinder 14 are interlacedly arranged, and when filter screen cylinder 14 rotates, cleaning Brush 7 is convenient to its outer wall and cleaning bristles 13 attached sundry removal.

The inside of the filter screen cylinder 14 is provided with a main water pipe 8, the main water pipe 8 is connected with several branch water pipes 11 through the connecting sleeve 12, the outer ends of the branch water pipes 11 are connected to the cleaning water pipe 9, and the cleaning water pipe 9 is arranged along the side wall of the filter screen cylinder 14, The cleaning water pipe 9 is provided with a number of nozzles 10, the nozzles 10 are set towards the outside of the filter cylinder 14, the top of the main water pipe 8 is connected to the drive shaft 3 through the coupling 5, and the drive shaft 3 passes through the upper baffle plate 4 and the top cover 2 The motor shaft of the motor 1 is connected to the through hole in the middle. When the motor 1 is started, the motor shaft drives the drive shaft 3, the main water pipe 8 and the filter screen cylinder 14 installed on it to rotate together, and the filter screen cylinder 14 filters the collected rainwater. At the same time, under the action of centrifugal force, the sundries attached to the outer wall of the filter screen cylinder 14 will be thrown out, and the cleaning bristles 13 will prevent the debris from approaching the filter screen cylinder 14, and the cleaning brush 7 will promptly clean the filter screen cylinder 14 and the cleaning bristles 13. The sundries attached to the screen can be removed, effectively avoiding the clogging of the filter screen cylinder 14.

The bottom end of the main water pipe 8 passes through the outlet 16 on the base 17 and then connects the water inlet joint 23. The water inlet joint 23 is fixed below the base 17 by the fixing rod 22, and the bottom of the main water pipe 8 is rotated and installed in the water inlet joint 23 and It communicates with the water inlet joint 23, and the water inlet joint 23 is connected to the water pump 25 through the water inlet pipe 24. The water pump 25 is installed in the water storage tank 19 in the bottom cover 18, and the bottom cover 18 is fixed below the base 17.

The middle part of the bottom end of the bottom cover 18 is welded with a connector 20, the connector 20 is threadedly connected to the drain pipe 21, and a sealing ring is arranged between the drain pipe 21 and the connector 20. When installing, the bottom cover 18 and the drain pipe 21 are pre-installed. Buried below the base 17, the drain pipe 21 communicates with the sewer.

In order to prevent the water inlet of the water pump 25 and the nozzle 10 from being blocked, further, in this embodiment, a filter screen is installed at the water inlet of the water pump 25, and the aperture diameter of the filter screen is smaller than the nozzle diameter of the nozzle 10, so that the water pump 25 absorbs the After the water in the water tank 19 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 sprays out, avoid the nozzle holes of the nozzle 10 from being blocked, and the water ejected from the nozzle 10 flows to the outer wall of the filter screen tube 14 spraying, thereby washing away the impurities adhering to the filter screen cylinder 14 and cleaning the filter screen cylinder 14.

After the filtered rainwater enters the bottom cover 18 along the outlet 16, the rainwater flushes the water storage tank 19 and helps to wash away the accumulated impurities or dust in the water storage tank 19 and enters the drain pipe 21 to be discharged into the sewer. And in order to facilitate the water flow to wash the water storage tank 19, preferably, a deflector is provided below the water outlet 16 to directly guide the water flowing down from the water outlet 16 to the inner wall of the bottom cover 18 on the upper side of the water storage tank 19. The water tank 19 flows into the drainpipe 21 after flushing and discharges.

The technical principles of the present invention have been described above in conjunction with specific embodiments, which are only preferred implementations of the present invention. The protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. Those skilled in the art can think of other specific implementation modes of the present invention without creative work, and these modes will all fall within the protection scope of the present invention.

Claims (8)

1. A municipal garden filter drainage device, comprising a top cover (2), a filter screen cylinder (14), a base (17) and a bottom cover (18), the upper end of the base (17) is connected to the top by a connecting rod (6) Cover (2), top cover (2) bottom is connected with upper baffle (4), base (17) top is connected with lower baffle (15), it is characterized in that, upper baffle (4) and lower baffle (15) ) is installed with a filter screen tube (14), the outer surface of the filter screen tube (14) is provided with some cleaning bristles (13), the inside of the filter screen tube (14) is provided with a main water pipe (8), and the top of the main water pipe (8) Connect the drive shaft (3) through the coupling (5), and the bottom end of the main water pipe (8) passes through the outlet (16) on the base (17) and then connects to the water inlet joint (23); The main water pipe (8) is connected with several branch water pipes (11) through the connecting sleeve (12), the outer ends of the branch water pipes (11) are connected to the cleaning water pipe (9), and the cleaning water pipe (9) is along the side of the filter cylinder (14) The wall is provided with, and the cleaning water pipe (9) is provided with some shower nozzles (10), and the shower nozzles (10) are arranged towards the outside of the filter screen cylinder (14). 2. The municipal garden filter drainage device according to claim 1, characterized in that, the number of connecting rods (6) between the top cover (2) and the base (17) is at least two and is equal along the same circumferential direction. interval distribution. 3. The municipal garden filter drainage device according to claim 2, characterized in that, the filter screen cylinder (14) is a cylindrical structure formed of wire weaving, and the length of the cleaning bristles (13) is 1-5cm , cleaning brushes (7) are installed on the connecting rod (6) outside the filter screen cylinder (14), and the bristles of the cleaning brushes (7) are interlaced with the cleaning bristles (13) of the filter screen cylinder (14). 4. The municipal garden filter and drainage device according to any one of claims 1-3, characterized in that the drive shaft (3) is connected to the motor after passing through the upper baffle plate (4) and the through hole in the middle of the top cover (2) (1) The motor shaft. 5. The municipal garden filtration and drainage device according to claim 4, characterized in that, the water inlet joint (23) is fixed below the base (17) through a fixing rod (22), and the bottom of the main water pipe (8) is rotatably arranged on In the water inlet connector (23) and communicate with the inside of the water inlet connector (23), the water inlet connector (23) is connected to the water pump (25) by the water inlet pipe (24), and the water pump (25) is installed in the storage tank in the bottom cover (18). In the water tank (19), the bottom cover (18) is fixed below the base (17). 6. The municipal garden filtering drainage device according to claim 5, characterized in that, the middle part of the bottom end of the bottom cover (18) is welded with a connector (20), and the connector (20) is threadedly connected to the drainage pipe (21), A sealing ring is arranged between the drain pipe (21) and the connector (20). 7. The municipal garden filtering drainage device according to claim 6, characterized in that, 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 spray hole diameter of the nozzle (10). 8 . The municipal garden filtering drainage device according to claim 7 , characterized in that, a deflector is provided below the drainage outlet ( 16 ).