CN114870470A

CN114870470A - Filtering system

Info

Publication number: CN114870470A
Application number: CN202210638317.2A
Authority: CN
Inventors: 吕锋; 黄世萍; 李玉琴; 马春龙
Original assignee: Zhejiang Huayou Machinery Technology Co ltd
Current assignee: Zhejiang Huayou Machinery Technology Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-08-09
Anticipated expiration: 2042-06-08
Also published as: CN114870470B

Abstract

The application relates to a filtering system, which belongs to the technical field of water purification. It includes the inlet tube that supplies turbid water to get into, lets in gaseous intake pipe, delivery pump, has the filter of filtering piece and is used for water purification exhaust water collector, the intake pipe with advance water piping connection, the delivery port of inlet tube with the input of delivery pump is connected, the output of delivery pump with the filter is connected, the filter is provided with row's miscellaneous pipe, the water collector with the filter is connected. Because the water is filled with bubbles, when the water passes through the filtering piece, the water can continuously impact the filtering piece to enable the filtering piece to vibrate, so that impurities stuck on the filtering piece can be more easily dropped from the filtering piece, and the filter does not need to be backwashed.

Description

Filtering system

Technical Field

The application relates to the technical field of water purification, in particular to a filtering system.

Background

A pre-filter is arranged in water treatment equipment and mainly aims at filtering suspended matters, silt, algae and the like in water.

In the correlation technique, be provided with the filter screen in the filter, after the filter worked a period, the filtration pore of filter screen was stopped up to many tiny particulate matters, made water unable through filtration pore to make the flow of filter screen diminish. After the filter is used for a period of time, back washing is needed to wash away impurities on the filter screen, otherwise, the water outlet effect cannot be achieved.

In view of the above related technologies, the inventor believes that the filter needs to be stopped for washing during backwashing, which takes up working time and affects working efficiency of the filter

Disclosure of Invention

In order to eliminate the need for backwashing the filter, the present application provides a filtration system.

The application provides a filtration system adopts following technical scheme:

the utility model provides a filtration system, includes the inlet tube that supplies turbid water to get into, lets in gaseous intake pipe, delivery pump, has the filter of filtering piece and be used for water purification exhaust water collector, the intake pipe with advance water piping connection, the delivery port of inlet tube with the input of delivery pump is connected, the output of delivery pump with the filter is connected, the filter is provided with row's miscellaneous pipe, the water collector with the filter is connected.

Through adopting above-mentioned technical scheme, during filtration system used, let in turbid water from the inlet tube, the intake pipe is the inlet tube gassing, and in the turbid water that has the bubble got into the delivery pump, later transmitted the filter after the pressurization through the delivery pump in, discharged in the water collector through the filtration back water purification of filter, impurity was discharged from arranging the miscellaneous pipe. Because the water is filled with bubbles, when the water passes through the filtering piece, the water can continuously impact the filtering piece to enable the filtering piece to vibrate, so that impurities stuck on the filtering piece can be more easily dropped from the filtering piece, and the filter does not need to be backwashed.

Optionally, the air inlet pipe is provided with a gas regulating valve for regulating the size of the air inlet quantity.

Through adopting above-mentioned technical scheme, adjust the air input of intake pipe through gas control valve to can control the gas quantity of letting in turbid water.

Optionally, a liquid regulating valve for regulating the water quantity of the delivery pump is arranged between the delivery pump and the filter.

Through adopting above-mentioned technical scheme, adjust the output water yield of delivery pump through the liquid control valve to can control the output water yield of delivery pump.

Optionally, a pressure gauge for testing the output water volume and pressure of the delivery pump is further arranged between the delivery pump and the filter.

Through adopting above-mentioned technical scheme, detect the pressure of conveying pump output water yield through the manometer.

Optionally, the water collector is provided with a liquid flow meter.

Through adopting above-mentioned technical scheme, through the flow of clean water in the liquid flowmeter test water collector.

Optionally, the impurity discharging pipe is provided with a ball valve.

Through adopting above-mentioned technical scheme, open or close row's miscellaneous pipe through the ball valve to the row of control row miscellaneous pipe is miscellaneous.

Optionally, the filter includes a housing and a plurality of filter elements installed in the housing, the output end of the delivery pump and the impurity discharge pipe are both connected to the outer peripheral wall of the housing, and the water collector is connected to the end of the housing; the filtering piece is provided with a plurality of filtering holes.

By adopting the technical scheme, when the filter is used, pressurized turbid water is input into the shell by the input end of the delivery pump, and purified water enters the filter element through the filter holes and then enters the water collector from the filter element so as to be discharged; the impurities are blocked by the filtering piece and can not enter the filtering piece, and then the impurities are discharged from the impurity discharging pipe.

Optionally, one end of the filter member is open, the other end is closed, and the end with the opening in the filter member extends into the water collector.

By adopting the technical scheme, when the filter element is used, water enters the interior of the filter element through the filter holes, and the filtered water flows out of the opening of the filter element and enters the water collector, so that purified water flows out of the water collector; the closed end of the filtering piece prevents impurities and water from entering the filtering piece.

Optionally, the filtration system further comprises a water collector, the water collector is provided with a plurality of drainage sleeves connected with the filter, and the filter is provided with a water collection cavity into which the water supply and discharge pipe is inserted; the drainage cover is provided with the elasticity sprue that is used for plugging up the chamber import that catchments, the elasticity sprue includes the sliding block that slides in the chamber that catchments and the compression spring that the drive sliding block has the trend of plugging up the import in chamber that catchments all the time, compression spring's one end and drainage cover are connected, and the other end is connected with the sliding block.

By adopting the technical scheme, the sliding block blocks the outlet of the water collecting cavity in a constant state, and when the filter is connected with the water drainage sleeve, the water outlet pipe pushes the sliding block and penetrates into the water collecting cavity, so that the purified water of the filter enters the water drainage sleeve through the water outlet pipe; when the filter is not connected with the water discharge sleeve, the sliding block plugs the inlet of the water collection cavity through the compression spring.

Optionally, the drainage cover is provided with the centre gripping subassembly that is used for the centre gripping filter, the centre gripping subassembly includes the bracing piece of being connected with the drainage cover, the horizontal pole of being connected with the bracing piece, the compression spring of being connected with the horizontal pole and the radial clamp splice that slides in the horizontal pole, radial clamp splice and compression spring are connected.

By adopting the technical scheme, when the filter is connected with the water drainage sleeve, the radial clamping blocks clamp the filter, so that the filter is stably connected with the water drainage sleeve.

In summary, the present application includes at least one of the following beneficial technical effects:

1. because the water is filled with bubbles, when the water passes through the filtering piece, the water can continuously impact the filtering piece to enable the filtering piece to vibrate, so that impurities stuck on the filtering piece can easily fall off from the filtering piece, and the filter does not need back washing;

2. when the filter is used, the pressurized turbid water is input into the shell by the input end of the delivery pump, and the purified water enters the filter element through the filter holes and then enters the water collector from the filter element so as to be discharged; impurities are blocked by the filtering piece and cannot enter the filtering piece, and then the impurities are discharged from the impurity discharging pipe;

3. when the filter element is used, water enters the interior of the filter element through the filter holes, and the filtered water flows out of the opening of the filter element and enters the water collector, so that purified water flows out of the water collector; the closed end of the filtering piece prevents impurities and water from entering the filtering piece.

Drawings

Fig. 1 is a schematic view of the overall structure of a filter system according to a first embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the filter according to the first embodiment of the present application.

Fig. 3 is a schematic view of a filter according to the first embodiment of the present invention in a state where one of end caps is opened.

Fig. 4 is a schematic structural view of a filter member according to the first embodiment of the present application.

Fig. 5 is a schematic structural view showing another state of the filter member according to the first embodiment of the present application.

Fig. 6 is a schematic structural view of a fixing disk in a housing according to the first embodiment of the present application.

Fig. 7 is a cross-sectional view of a filter according to the first embodiment of the present application.

Fig. 8 is a schematic view of the overall structure of the filtration system according to the second embodiment of the present application.

Fig. 9 is a schematic structural diagram of a base according to a second embodiment of the present application.

Fig. 10 is a cross-sectional view of a filtration system according to example two of the present application.

Fig. 11 is a sectional view of the water discharge jacket according to the second embodiment of the present application.

Fig. 12 is a schematic view showing a state in which a filter according to the second embodiment of the present application is connected to a water discharge jacket.

Fig. 13 is a sectional view of the filter according to the second embodiment of the present application after being connected to a water discharge jacket.

Description of reference numerals: 1. a water inlet pipe; 2. a delivery pump; 21. a liquid regulating valve; 22. a pressure gauge; 3. a filter; 31. a housing; 311. fixing the disc; 312. a fixing hole; 313. a water outlet cavity; 32. a filter member; 321. a filtration pore; 322. an opening; 33. an end cap; 34. a trash removal pipe; 341. a ball valve; 35. a cambered surface; 4. a water outlet pipe; 41. the flow rate of the liquid; 5. an air inlet pipe; 51. a gas regulating valve; 6. a base; 61. mounting grooves; 7. a water collector; 71. a water discharge sleeve; 711. a grip; 712. a water collection cavity; 713. an inlet chamber; 714. an overflow chamber; 715. a hose; 72. a sliding cavity; 73. a fixed block; 731. a guide bar; 74. a water storage cavity; 8. an elastic block; 81. a sliding block; 811. a second wedge-shaped face; 82. a compression spring; 9. a clamping assembly; 91. a support pillar; 92. a cross bar; 921. a compaction groove; 93. a compression spring; 94. a radial clamping block; 941. an arc-shaped abutting surface; 95. a synchronization lever; 96. a stopper; 961. a first wedge-shaped face.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

The embodiment of the application discloses a filtering system.

The first embodiment is as follows:

referring to fig. 1, the filtering system comprises a water inlet pipe 1, a delivery pump 2, a filter 3 and a water outlet pipe 4, wherein the water inlet pipe 1 is connected with the input end of the delivery pump 2, and turbid water is delivered to the delivery pump 2 through the water inlet pipe 1; the delivery pump 2 is a cam rotor delivery pump 2, the output end of the delivery pump 2 is connected with the filter 3, and the water outlet pipe 4 is connected with the filter 3.

When the filtering system is used, turbid water enters the water inlet pipe 1 and is transmitted to the conveying pump 2, the turbid water is input into the filter 3 after being pressurized by the conveying pump 2, and purified water is discharged from the water outlet pipe 4 after being filtered by the filter 3.

Referring to fig. 2 and 3, the filter 3 includes a housing 31 and a plurality of filter elements 32, and each of the plurality of filter elements 32 is installed in the housing 31. The shell 31 is cylindrical, the two ends of the shell 31 are both connected with end covers 33, the two ends of the shell 31 are covered by the end covers 33, one end of the shell 31 is connected with the water outlet pipe 4, and purified water in the shell 31 is discharged through the water outlet pipe 4; the output end of the feed pump 2 is connected to the outer peripheral wall of the housing 31, and the impurity discharge pipe 34 is integrally connected to the outer peripheral wall of the housing 31, and impurities in the housing 31 are discharged through the impurity discharge pipe 34.

Referring to fig. 4 and 5, the filter member 32 is a fiber column, and the filter member 32 is a cylinder, but may be a square column or other shapes in other embodiments; one end of the filter member 32 is open 322, the other end is closed, and the outer peripheral wall of the filter member 32 is provided with a plurality of filter holes 321. Specifically, the diameter of the filtering hole 321 is 0.1mm-0.3mm, and the diameter of the filtering hole 321 in different use environments can be set according to actual conditions.

When the filter element 32 is installed, a plurality of filter elements 32 are arranged in parallel with each other in the housing 31, in practice, the filter elements 32 are packed in the housing 31, one end of the filter element 32 with a closed end is abutted against the end cap 33 of the housing 31, and one end of the filter element 32 with the opening 322 faces the water outlet pipe 4. When the filter 3 is used, the input end of the delivery pump 2 inputs the pressurized turbid water into the shell 31, and the purified water enters the filter element 32 through the filter hole 321 and then enters the water outlet pipe 4 from the filter element 32 to be discharged; the impurities are blocked by the filter elements 32 from entering the filter elements 32, so that the impurities are discharged from the impurity discharge pipe 34.

Referring to fig. 6 and 7, in order to enable the purified water in the filtering elements 32 to flow into the water outlet pipe 4, a fixed disk 311 is disposed in the housing 31, a peripheral side wall of the fixed disk 311 abuts against an inner side wall of the housing 31, a plurality of fixing holes 312 are disposed on the fixed disk 311, the plurality of fixing holes 312 correspond to the plurality of filtering elements 32, and each fixing hole 312 has one filtering element 32 passing through. A water outlet cavity 313 is formed between the end cover 33 connected with the water outlet pipe 4 and the fixed disc 311, the water outlet cavity 313 is communicated with the water outlet pipe 4, and the purified water flowing out of the filter element 32 firstly enters the water outlet cavity 313 and then flows out of the water outlet pipe 4.

Referring to fig. 1, further, a liquid regulating valve 21 is arranged between the delivery pump 2 and the filter 3, and the amount of water output by the delivery pump 2 is regulated by the liquid regulating valve 21; a pressure gauge 22 is also arranged between the delivery pump 2 and the filter 3, and the pressure of the water output by the delivery pump 2 is detected through the pressure gauge 22.

The trash pipe 34 is provided with a ball valve 341, and the trash pipe 34 is opened or closed by the ball valve 341; the water outlet pipe 4 is provided with a liquid flow meter 41, and the size of the purified water discharged from the water pipe 4 is detected by the liquid flow meter 41.

In addition, filtration system still includes intake pipe 5, and intake pipe 5 is connected with inlet tube 1, and it is gaseous for inlet tube 1 input through intake pipe 5, makes the muddy water that gets into among the delivery pump 2 have the bubble.

When the turbid water is introduced into the water inlet pipe 1, gas is introduced into the air inlet pipe 5 at the same time, and the turbid water with air bubbles is conveyed into the shell 31 of the filter 3 through the conveying pump 2; when the turbid water is filtered, since bubbles are present in the turbid water, the water continuously collides with the filter member 32, so that the filter member 32 vibrates, and the impurities attached to the filter member 32 are more likely to fall off from the filter member 32, so that the filter 3 does not need to be backwashed against the filter member 32.

The intake pipe 5 is provided with a gas control valve 51, and the amount of intake air of the intake pipe 5 is adjusted by the gas control valve 51.

When the filtering system is used, the air inlet pipe 5 leads air into the water inlet pipe 1, then the air is transmitted to the filter 3 through the delivery pump 2, after the air is filtered by the filter 3, purified water flows out of the water outlet pipe 4, and impurities are discharged from the impurity discharging pipe 34.

Example two:

the difference between the second embodiment and the first embodiment is only the base 6, the number of filters 3 and the water collector 7.

Referring to fig. 8 and 9, the filtering system further includes a base 6, the base 6 is provided with a plurality of mounting grooves 61 for mounting the filter 3, and the mounting grooves 61 are arranged in a row. In this embodiment, the filter 3 is provided with a plurality of filters 3 corresponding to the mounting grooves 61 one by one, so that the filters 3 can be mounted on the base 6.

The output end of the delivery pump 2 is connected with a plurality of water pipes which correspond to the filters 3, so that the delivery pump 2 can deliver turbid water to the filters 3.

Referring to fig. 9 and 10, the filtering system further includes a sump 7, the sump 7 is provided with a plurality of drainage sleeves 71, the plurality of drainage sleeves 71 correspond to the plurality of filters 3, and the drainage sleeves 71 are connected to the filters 3 such that purified water of the filters 3 is introduced into the sump 7.

Specifically, the water collector 7 has a water storage cavity 74 and a sliding cavity 72 for sliding the water discharge sleeve 71 up and down, the water discharge sleeve 71 can slide in the sliding cavity 72, and the water discharge sleeve 71 is communicated with the water storage cavity 74 through a hose 715, so that the water in the water discharge sleeve 71 can flow into the water storage cavity 74. Further, a grip 711 is provided on the drain cover 71 so as to extend out of the water collector 7, and the operator can move the drain cover 71 up and down in the slide chamber 72 by the grip 711.

When the filter 3 is connected with the water discharge sleeve 71, the filter 3 is placed in the mounting groove 61 of the base 6, at the moment, the filter 3 corresponds to the upper water discharge sleeve 71, the handle 711 is held to move the water discharge sleeve 71 downwards, so that the water discharge sleeve 71 is connected with the filter 3, and therefore purified water in the filter 3 can enter the water discharge sleeve 71. Wherein the impurity discharging pipes 34 of a plurality of filters 3 are also uniformly connected to one impurity discharging pool.

The filter 3 is provided with a water outlet pipe 4 for discharging purified water, and the water discharge sleeve 71 is provided with a water collection cavity 712 for inserting the water outlet pipe 4; when the water outlet pipe 4 of the filter 3 is inserted into the water collecting cavity 712, the purified water in the filter 3 enters the water collecting cavity 712 through the water outlet pipe 4, and then is discharged into the water storage cavity 74 through the hose 715.

Referring to fig. 10 and 11, the drainage sleeve 71 is provided with an elastic block 8, and the elastic block 8 blocks the inlet of the water collection chamber 712, so that water in the water collection chamber 712 is not easy to flow out. The elastic block 8 comprises a sliding block 81 and a compression spring 82, the sliding block 81 is made of rubber, and the sliding block 81 slides in the water collection cavity 712 and blocks the inlet of the water collection cavity 712; the water drainage sleeve 71 is provided with a fixed block 73 in the water drainage cavity, one end of a compression spring 82 is connected with the fixed block 73, the other end is connected with a sliding block 81, and the sliding block 81 always has the tendency of blocking the inlet of the water collection cavity 712 through the action of the compression spring 82.

Furthermore, the water collecting chamber 712 includes an inlet chamber 713 and an overflow chamber 714 which are communicated with each other, the sliding block 81 slides in the inlet chamber 713, a circumferential side wall of the sliding block 81 abuts against a chamber wall of the inlet chamber 713, the inlet chamber 713 is blocked by the sliding block 81, water in the overflow chamber 714 is not easy to flow out, and the sliding block 81 always tends to move from the overflow chamber 714 to the inlet chamber 713 by the compression spring 82. The width of the overflow cavity 714 is larger than that of the inlet cavity 713, when the sliding block 81 slides into the overflow cavity 714 from the inlet cavity 713, water in the overflow cavity 714 can flow out from the inlet cavity 713, and water in other pipelines can also flow into the overflow cavity 714.

After the filter 3 is connected with the water discharge sleeve 71, the water outlet pipe 4 of the filter 3 is inserted into the inlet cavity 713, the sliding block 81 slides into the overflow cavity 714 from the inlet cavity 713 under the action of the water outlet pipe 4, so that the water in the filter 3 flows out of the water outlet pipe 4 and then enters the overflow cavity 714.

It should be noted that the water outlet pipe 4 is sleeved with a sealing ring, and after the water outlet pipe 4 is inserted into the inlet cavity 713, water is not easy to flow out from between the water outlet pipe 4 and the cavity wall of the inlet cavity 713 through the sealing effect of the sealing ring. And the length of the water outlet pipe 4 is larger than the depth of the inlet cavity 713, after the water outlet pipe 4 is inserted into the inlet cavity 713, part of the water outlet pipe 4 enters the overflow cavity 714, and at the moment, the sliding block 81 covers the water outlet pipe 4, but because the water pressure in the water outlet pipe 4 is larger, the water in the water outlet pipe 4 can push the sliding block 81 open and enter the overflow cavity 714.

In order to enable the sliding block 81 to slide more stably at the inlet chamber 713, the fixed block 73 is fixedly connected with a guide rod 731, and the guide rod 731 is coaxially arranged in the compression spring 82 in a penetrating manner; moreover, the sliding block 81 is slidably sleeved on the guide rod 731, and the sliding block 81 slides more stably in the water collecting cavity 712 under the guiding action of the guide rod 731.

The water discharge sleeve 71 is provided with a clamping assembly 9, and the filter 3 is clamped by the clamping assembly 9, so that the connection between the filter 3 and the water discharge sleeve 71 is more stable. The clamping assembly 9 comprises a support column 91, a cross rod 92, a compression spring 93 and a radial clamping block 94, wherein the support column 91 is vertically arranged, one end of the support column 91 is connected with the drainage sleeve 71, the other end of the support column 91 is connected with the cross rod 92, and the cross rod 92 is perpendicular to the support column 91; the cross rod 92 is provided with a pressing groove 921, the pressing spring 93 is positioned in the pressing groove 921, and one end of the pressing spring 93 is fixedly connected with the groove wall of the pressing groove 921; the radial clamping block 94 is connected in the cross rod 92 in a sliding mode, the radial clamping block 94 can slide in the pressing groove 921, the radial clamping block 94 is fixedly connected with the end portion of the pressing spring 93, and the radial clamping block 94 always tends to move towards the outside of the pressing groove 921 through the pressing spring 93; normally, the radial clamping blocks 94 partially end up in the pressing grooves 921 under the action of the compression springs 82.

Referring to fig. 12 and 13, since the end of the filter 3 with the outlet pipe 4 has the arc-shaped surface 35, the end of the corresponding radial clamp 94 remote from the compression spring 93 also has the arc-shaped abutment surface 941. When the filter 3 is connected with the water discharge sleeve 71 and the water discharge sleeve 71 moves downwards, the water discharge sleeve 71 also drives the support column 91 to move downwards, the radial clamping block 94 also moves downwards, so that the arc-shaped abutting surface 941 of the radial clamping block 94 is abutted to the arc-shaped surface 35 of the filter 3, and at the moment, the radial clamping block 94 extrudes the pressing spring 93 under the action of the filter 3, so that the radial clamping block 94 moves towards the inside of the pressing groove 921; conversely, the compression spring 93 exerts an outward thrust on the radial clamping piece 94, so that the radial clamping piece 94 presses against the filter 3, making the connection between the filter 3 and the drainage jacket 71 more stable.

The clamping assembly 9 further comprises a synchronizing rod 95 and a stopper 96, wherein the stopper 96 is radially slidably arranged in the water discharge sleeve 71, so that the stopper 96 can slide into the inlet cavity 713; one end of the synchronizing rod 95 is connected to the radial clamping piece 94, and the other end is connected to the stopper 96, so that the radial clamping piece 94 and the stopper 96 move synchronously under the action of the synchronizing rod 95.

In an initial state, the end part of the stopper 96 is positioned in the inlet cavity 713, the stopper 96 abuts against the sliding block 81, and the sliding block 81 is blocked by the stopper 96, so that the sliding block 81 is difficult to slide into the overflow cavity 714; when the filter 3 is connected with the water discharge sleeve 71, the filter 3 pushes the radial clamping block 94 to move, and the radial clamping block 94 drives the stop 96 to move, so that the stop 96 no longer blocks the sliding block 81, and the water outlet pipe 4 can push the sliding block 81 open.

Referring to fig. 11, in order to enable the water outlet pipe 4 to push the stopper 96 away independently, the stopper 96 is provided with a first wedge-shaped surface 961, and the sliding block 81 is provided with a second wedge-shaped surface 811 abutting against the first wedge-shaped surface 961; in the initial state, the stopper 96 abuts against the sliding block 81, at this time, the first wedge-shaped surface 961 abuts against the second wedge-shaped surface 811, when the water outlet pipe 4 acts on the sliding block 81, the water outlet pipe 4 pushes the sliding block 81, and the sliding block 81 pushes the stopper 96 open, so that the water outlet pipe 4 can enter the overflow cavity 714.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A filtration system, characterized by: including inlet tube (1) that supplies turbid water to get into, let in gaseous intake pipe (5), delivery pump (2), have filter (32) filter (3) and be used for water purification exhaust outlet pipe (4), intake pipe (5) with inlet tube (1) is connected, the delivery port of inlet tube (1) with the input of delivery pump (2) is connected, the output of delivery pump (2) with filter (3) are connected, filter (3) are provided with row miscellaneous pipe (34), outlet pipe (4) with filter (3) are connected.

2. A filtration system according to claim 1, wherein: the air inlet pipe (5) is provided with an air regulating valve (51) used for regulating the size of air inflow.

3. A filtration system according to claim 1, wherein: a liquid regulating valve (21) for regulating the water quantity of the delivery pump (2) is arranged between the delivery pump (2) and the filter (3).

4. A filtration system according to claim 1, wherein: and a pressure gauge (22) for testing the water output pressure of the delivery pump (2) is also arranged between the delivery pump (2) and the filter (3).

5. A filtration system according to claim 1, wherein: the water outlet pipe (4) is provided with a liquid flow meter (41).

6. A filtration system according to claim 1, wherein: the impurity discharging pipe (34) is provided with a ball valve (341).

7. A filtration system according to claim 1, wherein: the filter (3) comprises a shell (31) and a plurality of filter elements (32) arranged in the shell (31), the output end of the delivery pump (2) and the impurity discharging pipe (34) are both connected with the outer peripheral wall of the shell (31), and the water outlet pipe (4) is connected with the end part of the shell (31); the filtering piece (32) is provided with a plurality of filtering holes (321).

8. A filtration system according to claim 7, wherein: filter piece (32) be the fiber column, filter one end opening (322) of piece (32), the other end is sealed, filter the tip that has opening (322) in piece (32) and stretch into in outlet pipe (4).

9. A filtration system according to claim 1, wherein: the filtering system further comprises a water collector (7), the water collector (7) is provided with a plurality of water discharge sleeves (71) connected with the filter (3), and the filter (3) is provided with a water collecting cavity (712) for inserting the water outlet pipe (4); drainage cover (71) are provided with elasticity sprue (8) that are used for blockking up the import of water collecting cavity (712), elasticity sprue (8) include slide block (81) and drive slide block (81) that slide in water collecting cavity (712) have compression spring (82) of the trend of blockking up the import of water collecting cavity (712) all the time, compression spring (82)'s one end is connected with drainage cover (71), and the other end is connected with slide block (81).

10. A filtration system according to claim 9, wherein: the water discharge sleeve (71) is provided with a clamping assembly (9) used for clamping the filter (3), the clamping assembly (9) comprises a supporting rod connected with the water discharge sleeve (71), a cross rod (92) connected with the supporting rod, a compression spring (82) connected with the cross rod (92) and a radial clamping block (94) sliding in the cross rod (92), and the radial clamping block (94) is connected with the compression spring (82).