CN218451925U

CN218451925U - Tap water pipe network filter equipment and filtration system

Info

Publication number: CN218451925U
Application number: CN202222207800.3U
Authority: CN
Inventors: 林伟祥
Original assignee: Foshan Xijiang Water Supply Co ltd
Current assignee: Foshan Xijiang Water Supply Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-02-07
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a tap water pipe network filtering device and a filtering system, wherein the tap water pipe network filtering device comprises a shell and a filter cartridge component arranged in the inner body, a filter cavity for accommodating the filter cartridge component is formed in the shell, and the shell is also provided with a water inlet, a water outlet and a sewage outlet; the filter cartridge assembly comprises a filter cartridge and a cleaning piece which is arranged outside the filter cartridge and is rotationally connected with the filter cartridge, the filter cartridge is arranged in the filter cavity and is communicated with the water outlet, the water inlet is communicated with the filter cavity, and the sewage outlet is arranged at the bottom of the filter cavity; the cleaning piece comprises a base and a scraping strip connected with the base, the base is rotatably connected with the bottom of the filter cylinder through a rotating shaft, the scraping strip extends along the axial direction of the filter cylinder, and a gap of 1-2mm is reserved between the scraping strip and the outer surface of the filter cylinder.

Description

Tap water pipe network filter equipment and filtration system

Technical Field

The utility model relates to a water supply network system field especially relates to a running water pipe network filter equipment and filtration system.

Background

In the process of long-distance transportation of tap water in a pipe network, the tap water in the pipe network can be coarse, gravel, rust fragments and other solid impurities due to rusting of the inner wall of the pipe, cracking of the pipe and other reasons, and the water quality at the terminal of the pipe network is influenced. In order to solve the above problem, a pipe filtering device may be provided at each node of the pipe network. Chinese patent publication No. CN202366546U discloses an anti-blocking filter for tap water pipe at 2012-08-08, and this filter body includes a base and an outer cover arranged on the upper side of the base, the base is provided with a clamping groove, the clamping groove contacts with the outer cover, the base and the outer cover are fixed by bolts, the top of the outer cover is provided with a water inlet, the bottom of the base is provided with a water outlet, the water inlet and the water outlet are arranged on the same straight line, the base is provided with a filter element, the filter element is made by an inverted U-shaped filter screen, the filter screen is fixed in a groove on the base, a sealing gasket is arranged between the contact surface of the base and the outer cover, and the filter screen is woven by stainless steel wires. The filter can be installed in a tap water pipe network system for intercepting tap water in a pipeline, however, the filter disclosed in the patent has the following disadvantages: 1. the filter lacks the self-cleaning function, and impurities can be accumulated on the surface of the filter screen to cause blockage in the long-term use process; 2. the water outlet and the water inlet of the filter are respectively arranged on the base and the outer cover, when the filter needs to be cleaned, the whole filter needs to be detached from the pipeline, the cleaning is inconvenient, and the upstream and downstream valves need to be closed during cleaning, so that water supply is influenced.

Disclosure of Invention

An object of the utility model is to overcome prior art's not enough, provide a novel structure reliable, can be used to the running water pipe network system and filter the running water to it can reduce the running water pipe network filter equipment who blocks up extension filter assembly clearance cycle to have the clearance piece to clear up the pollutant that attaches to a section of thick bamboo surface.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: a tap water pipe network filtering device comprises a shell and a filter cartridge component arranged in the shell, wherein a filter cavity for accommodating the filter cartridge component is formed in the shell, and meanwhile, the shell is also provided with a water inlet, a water outlet and a sewage outlet; the filter cartridge assembly comprises a filter cartridge and a cleaning piece which is arranged outside the filter cartridge and is rotatably connected with the filter cartridge, the filter cartridge is arranged in the filter cavity and is communicated with the water outlet, the water inlet is communicated with the filter cavity, and the sewage outlet is arranged at the bottom of the filter cavity; the cleaning piece comprises a base and a scraping strip connected with the base, the base is rotatably connected with the bottom of the filter cylinder through a rotating shaft, the scraping strip extends along the axial direction of the filter cylinder, and a gap of 1-2mm is reserved between the scraping strip and the outer surface of the filter cylinder.

The beneficial effects of the utility model are that: the utility model discloses a running water pipe network filter equipment can be connected with water supply network system, filters the running water in the pipe network. Specifically, tap water enters the filter cavity of the shell from the water inlet, when the Laishui is discharged from the water outlet, the Laishui must pass through the filter cylinder, and solid impurities with larger particle sizes in the water are filtered by the filter cylinder, so that the impurities are blocked outside the filter cylinder. The cleaning piece outside the filter cylinder can rotate under the drive of water flow, the scraping strip can clean impurities adsorbed outside the filter cylinder during rotation, the filter cylinder is prevented from being blocked, meanwhile, a gap of 1 to 2mm is reserved between the scraping strip and the outer surface of the filter cylinder, the gap can be wide, impurities with the particle size can be scraped away and cleaned, and meanwhile, direct contact abrasion between the scraping strip and the filter cylinder can be avoided.

Preferably, the number of the scraping strips is multiple groups, and the scraping strips are distributed and arranged around the filter cylinder in an annular mode. Through setting up multiunit scraping strip can improve cleaning efficiency to can utilize rivers to drive clearance piece rotation more effectively.

Preferably, the cleaning member further comprises a reinforcing rib connected to an upper side of each of the wiper strips. The reinforcing ribs can improve the stability of the connecting structure.

Preferably, an external thread part is formed on the upper side of the filter cylinder, and an internal thread part which is in threaded fit with the external thread part is formed in the filter cavity. By utilizing the structure, the threaded connection between the filter cartridge assembly and the shell can be realized, and the filter assembly is convenient to disassemble, clean, maintain and replace.

Preferably, the rotating shaft is fixedly connected with the filter cartridge, the base is rotatably connected with the rotating shaft, the length of the rotating shaft is greater than the thickness of the base so that the base can slide and be adjusted along the axial direction of the rotating shaft, a rotation stopping convex strip is formed in the middle of the rotating shaft, a rotation stopping groove matched with the rotation stopping convex strip is formed in the base, and the rotation stopping convex strip is separated from the rotation stopping groove when the base slides to the lowest point of the rotating shaft. Because the cleaning piece is outside straining a section of thick bamboo, when a section of thick bamboo subassembly is strained to needs twisting, can hold up the cleaning piece and make it slide along the pivot and make spline joint of spline sand grip and spline groove, then twist the cleaning piece again and can drive and strain a section of thick bamboo synchronous revolution to it makes it and casing threaded connection or dismantlement separation through twisting a section of thick bamboo.

Preferably, the base is hollowed out or provided with a filter screen. Above-mentioned structure can alleviate the weight of clearance piece and be convenient for it carries out the rotation, utilizes the hollow out construction or the filter screen of base also can reduce the base and shelter from the separation to straining a section of thick bamboo bottom surface in addition.

Preferably, the drain outlet is provided with a cover plate, the cover plate is connected with the drain outlet through a screw, and a sealing rubber ring is arranged between the cover plate and the drain outlet. After the cover plate is disassembled, the sewage draining port can be opened, and solid impurities blocked by the filter cylinder can be cleaned and discharged by utilizing the sewage draining port.

The utility model also discloses a running water pipe network filtration system, filter the branch line including the first filtration branch line and the second that connect in parallel each other, first filtration branch line is including the first ooff valve, first filter, the second ooff valve that loop through the pipe connection, the second filters the branch line including third ooff valve, second filter, the fourth ooff valve that loop through the pipe connection, first filter and second filter are foretell running water pipe network filter equipment, total inlet tube is connected jointly to first ooff valve and third ooff valve, total drain pipe is connected jointly to second ooff valve and fourth ooff valve, still be connected with the backwashing pipe between the outlet of first filter and second filter, be provided with the fifth ooff valve on the backwashing pipe.

The first filtering branch line and the second filtering branch line can be communicated in a time-sharing mode, and when the first filter or the second filter needs to be cleaned, the corresponding first filtering branch line and the corresponding second filtering branch line can be closed and switched, so that the water supply is kept uninterrupted.

Drawings

Fig. 1 is a cross-sectional view of a tap water pipe network filtering apparatus according to an embodiment one.

Fig. 2 is a partially enlarged view of the area a in fig. 1.

Fig. 3 is a perspective view of a filter cartridge assembly according to the first embodiment.

Figure 4 is an exploded view of the filter cartridge assembly of the first embodiment.

Fig. 5 is a schematic perspective view of a rotating shaft according to a first embodiment.

Fig. 6 is a schematic perspective view of a cleaning element according to the first embodiment.

Fig. 7 is a partially enlarged view of the area B in fig. 6.

Fig. 8 is a schematic diagram of a filtration system according to the first embodiment.

Fig. 9 is a bottom view of the base 1221 according to the second embodiment.

The filter comprises a first filter 1a, a second filter 1b, a shell 11, a filter cavity 111, a water inlet 112, a water outlet 113, a sewage outlet 114, a cover plate 1141, a sealing rubber ring 1142, a filter cartridge assembly 12, a filter cartridge 121, a base 1221, a scraping strip 1222, a reinforcing rib 1223, a rotation stopping groove 1224, a rotating shaft 123, a rotation stopping raised strip 1231, a first switch valve 21, a second switch valve 22, a third switch valve 23, a fourth switch valve 24, a fifth switch valve 25, a total water inlet 3 and a total water outlet 4.

Detailed Description

The claimed technical solution of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1 to 8, the tap water pipe network filtering apparatus of the present embodiment includes a housing 11 and a filter cartridge assembly 12 disposed inside the housing.

In this embodiment, a filter chamber 111 for accommodating the filter cartridge assembly 12 is formed in the housing 11, and the housing 11 is further opened with a water inlet 112, a water outlet 113 and a sewage outlet 114. The water inlet 112 can be connected with a water inlet pipeline, the water outlet 113 is connected with a water discharging pipeline, the sewage outlet 114 is used for discharging the filtered impurities in a centralized manner, the water inlet 112 is communicated with the filter cavity 111, and meanwhile, the sewage outlet 114 is arranged at the bottom of the filter cavity 111. In this embodiment, the water inlet 112 and the water outlet 113 are both provided with flanges to be connected to the pipeline, the sewage outlet 114 is provided with a cover plate 1141, the cover plate 1141 is connected to the sewage outlet 114 through screws, and a sealing rubber ring 1142 is arranged between the cover plate 1141 and the sewage outlet 114.

The filter cartridge assembly 12 includes a filter cartridge 121, a cleaning member disposed outside the filter cartridge 121 and rotatably connected to the filter cartridge 121, and a rotating shaft 123 for rotatably connecting the filter cartridge 121 and the cleaning member. The filter cartridge 121 is disposed in the filter cavity 111 and is communicated with the water outlet 113, in this embodiment, an external thread part is formed on an upper side of the filter cartridge 121, and correspondingly, an internal thread part in threaded fit with the external thread part is formed in the filter cavity 111, so that the filter cartridge 121 and the housing 11 can be screwed together, so as to be conveniently detached and installed.

The cleaning member includes a base 1221 and a wiper 1222 coupled to the base 1221. The base 1221 is rotatably connected with the bottom of the filter cartridge 121 through a rotating shaft 123, specifically, the rotating shaft 123 is fixedly connected with the filter cartridge 121, the base 1221 is rotatably connected with the rotating shaft 123, the length of the rotating shaft 123 is greater than the thickness of the base 1221 so that the base 1221 can slide and adjust along the axial direction of the rotating shaft 123, a rotation stop protruding strip 1231 is formed in the middle of the rotating shaft 123, meanwhile, a rotation stop groove 1224 matched with the rotation stop protruding strip 1231 is formed in the base 1221, and when the base 1221 slides to the lowest point of the rotating shaft 123, the rotation stop protruding strip 1231 is separated from the rotation stop groove 1224. Usually, the cleaning member slides to the lowest point of the rotating shaft 123 under the action of gravity, at this time, because the rotation stop protrusion 1231 is separated from the rotation stop groove 1224, the cleaning member can rotate freely without being limited by the cooperation between the rotation stop protrusion 1231 and the rotation stop groove 1224, when the filter cartridge assembly 12 needs to be screwed to be dismounted or mounted, the cleaning member can be lifted to slide along the rotating shaft 123 and the rotation stop protrusion 1231 is clamped with the rotation stop groove 1224, then the cleaning member is screwed to drive the filter cartridge 121 to rotate synchronously, and finally the filter cartridge 121 is screwed to be screwed to or dismounted from the housing 11. In addition, in order to reduce the obstruction of the base 1221 to the bottom surface of the filter cartridge 121, a filter screen is disposed on the base 1221 in this embodiment.

The scraping bars 1222 are provided in a plurality of groups and extend axially along the filter cartridge 121, and the scraping bars 1222 are distributed annularly around the filter cartridge 121. In order to improve the structural stability of the wiper strips 1222, the wiper strips 1222 are bent and deformed, and reinforcing ribs 1223 are connected to the upper side of each wiper strip 1222. A gap of 1-2mm is reserved between the scraping strip 1222 and the outer surface of the filter cylinder 121. This gap width allows for scraping away of particle size impurities while also avoiding direct contact wear between the wiper bar 1222 and the filter cartridge 121.

In this embodiment, the tap water pipe network filtering device can be used to construct a filtering system, and specifically the filtering system includes a first filtering branch line and a second filtering branch line connected in parallel.

The first filtering branch line comprises a first switch valve 21, a first filter 1a and a second switch valve 22 which are connected in sequence through pipelines. The second filtering branch line comprises a third switch valve 23, a second filter 1b and a fourth switch valve 24 which are connected in sequence through pipelines.

The first filter 1a and the second filter 1b are both tap water pipe network filtering devices of the embodiment.

The first switch valve 21 and the third switch valve 23 are connected with the main water inlet pipe 3, the second switch valve 22 and the fourth switch valve 24 are connected with the main water outlet pipe 4, a backwashing pipe is connected between the water outlets 113 of the first filter 1a and the second filter 1b, and the backwashing pipe is provided with a fifth switch valve 25.

In this embodiment, the operation of the filtering system is as follows:

in the present embodiment, the first filtration branch is normally open, the second filtration branch is normally closed, that is, the first switch valve 21 and the second switch valve 22 are normally open, the third switch valve 23 and the fourth switch valve 24 are normally closed, the first filter 1a is used as a common filter, and the second filter 1b is used as a spare filter. The fifth switching valve 25 that connects the first filter 1a and the second filter 1b at the same time is normally closed.

The water is normally filtered by the first filter 1a, and after the use period of the first filter 1a is completed, the first filter 1a needs to be cleaned.

At this time, the fifth on-off valve 25 is opened, the cover 1141 of the drain outlet 114 of the second filter 1b is opened, the water filtered by the first filter 1a is inputted from the drain outlet 113 of the second filter 1b, and the drain outlet 114 of the second filter 1b is drained. Since the second filter 1b is used as a spare filter, no water flows in the second filter branch line for a long time, before the second filter branch line is switched, the second filter 1b needs to be cleaned, the water remaining in the second filter branch line needs to be drained, and then the cover plate 1141 of the second filter 1b needs to be installed again.

Then the first and second on-off valves 21 and 22 are closed to disconnect them from the total water inlet pipe 3 and the total water discharge pipe 4, and then the third and fourth on-off valves 23 and 24 are opened to communicate the second filter 1b with the total water inlet pipe 3 and the total water discharge pipe 4, and the cover 1141 of the sewage discharge port 114 of the first filter 1a is opened,

the water filtered by the second filter 1b at this time can be inputted through the drain opening 113 of the first filter 1a and finally discharged from the drain opening 114 of the first filter 1a, and in the process, the water flow can wash the solid impurities adsorbed on the surface of the filter cartridge 121 and not cleaned by the cleaning member and discharge them through the drain opening 114. After the cover plate 1141 of the first filter 1a is covered after the cleaning operation is completed, the third on-off valve 23, the fourth on-off valve 24 and the fifth on-off valve 25 are closed, and the first on-off valve 21 and the second on-off valve 22 are opened again, so that the first filter 1a is communicated with the total water inlet pipe 3 and the total water outlet pipe 4 again.

Example two

Referring to fig. 9, the main differences between the present embodiment and the first embodiment are: base 1221 fretwork of blowdown piece in this embodiment to its fretwork forms a plurality of fan-shaped holes that use pivot 123 to distribute as central ring, and the mode that adopts as base 1221 with the embodiment is compared, and its processing mode is simpler and easier, and can make its structural stability stronger with base 1221 thickening.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims

1. A tap water pipe network filtering device comprises a shell (11) and a filter cartridge assembly (12) arranged in the shell, wherein a filter cavity (111) used for accommodating the filter cartridge assembly (12) is formed in the shell (11), and meanwhile, the shell (11) is also provided with a water inlet (112), a water outlet (113) and a sewage outlet (114); the filter cylinder component (12) comprises a filter cylinder (121) and a cleaning piece which is arranged outside the filter cylinder (121) and is rotationally connected with the filter cylinder (121), the filter cylinder (121) is arranged in the filter cavity (111) and is communicated with the water outlet (113), the water inlet (112) is communicated with the filter cavity (111), and the sewage outlet (114) is arranged at the bottom of the filter cavity (111); the cleaning piece comprises a base (1221) and a scraping strip (1222) connected with the base (1221), the base (1221) is rotatably connected with the bottom of the filter cylinder (121) through a rotating shaft (123), the scraping strip (1222) axially extends along the filter cylinder (121), and a gap of 1-2mm is reserved between the scraping strip (1222) and the outer surface of the filter cylinder (121).

2. The tap water pipe network filtering device according to claim 1, wherein: the scraping strips (1222) are in multiple groups, and the scraping strips (1222) are distributed and arranged annularly around the filter cylinder (121).

3. The tap water pipe network filtering device according to claim 2, wherein: the cleaning element also comprises a reinforcing rib (1223) which connects the upper sides of the scraping strips (1222).

4. The tap water pipe network filtering device according to claim 1, wherein: an external thread part is formed on the upper side of the filter cylinder (121), and an internal thread part in threaded fit with the external thread part is formed in the filter cavity (111).

5. The tap water pipe network filtering device according to claim 4, wherein: the rotating shaft (123) is fixedly connected with the filter cylinder (121), the base (1221) is rotatably connected with the rotating shaft (123), the length of the rotating shaft (123) is greater than the thickness of the base (1221) so that the base (1221) can slide and be adjusted along the axial direction of the rotating shaft (123), a rotation stopping protruding strip (1231) is formed in the middle of the rotating shaft (123), meanwhile, a rotation stopping groove (1224) matched with the rotation stopping protruding strip (1231) is formed in the base (1221), and when the base (1221) slides to the lowest point of the rotating shaft (123), the rotation stopping protruding strip (1231) is separated from the rotation stopping groove (1224).

6. The tap water pipe network filtering device of claim 1, wherein: the base 1221 is hollowed out or provided with a filter screen.

7. The tap water pipe network filtering device according to claim 1, wherein: drain (114) is provided with apron (1141), pass through bolted connection between apron (1141) and drain (114) to be provided with between apron (1141) and drain (114) sealed rubber ring (1142).

8. A tap water pipe network filtration system which characterized in that: including first filtration branch line and the second filtration branch line that connects in parallel each other, first filtration branch line is including looping through pipe connection's first ooff valve (21), first filter (1 a), second ooff valve (22), the second filters the branch line and includes looping through pipe connection's third ooff valve (23), second filter (1 b), fourth ooff valve (24), first filter (1 a) and second filter (1 b) are the running water pipe network filter equipment of claims 1-7, total inlet tube (3) are connected jointly to first ooff valve (21) and third ooff valve (23), total drain pipe (4) are connected jointly to second ooff valve (22) and fourth ooff valve (24), still be connected with the backwash pipe between outlet (113) of first filter (1 a) and second filter (1 b), be provided with fifth ooff valve (25) on the backwash pipe.