Self-cleaning filtering equipment for water supply and drainage system

Abstract

The utility model discloses self-cleaning filtering equipment for a water supply and drainage system. The self-cleaning filtering equipment comprises a filtering cylinder, a conical cylinder, a blow-off pipe, a top cover, a vertical pipe, a horizontal pipe, a plurality of uniformly-distributed pipes, a water inlet pipe, a water outlet pipe, a filtering net and a plurality of high-pressure flushing nozzles, the plurality of high-pressure washing nozzles are respectively mounted below the plurality of uniformly distributed pipes; the water inlet pipe is mounted on the side wall of the conical barrel; the water outlet pipe is mounted on the side wall of the filter cartridge; second valves are mounted on the water inlet pipe and the water outlet pipe; the filter screen is horizontally installed at the bottom in the filter cartridge, and the water outlet pipe is arranged above the filter screen and located below the high-pressure washing nozzle. The top cover can be detached, the vertical pipe is installed on the top cover and can be taken down along with the top cover, in addition, the fixing ring and the supporting ring are fixedly connected through the fastening bolts, the filter screen can be detached, and the effect that the filter screen can be detached, cleaned and replaced is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply and drainage filtration equipment technical field especially relates to a water supply and drainage system self -cleaning filtration equipment. BACKGROUND

[0002] Water supply and drainage system plays a vital role in modern construction and industrial production, and its stability and efficiency directly affect the operation effect of the whole system, in water supply and drainage system, the filtration equipment is the key component for preventing impurities from entering the system, when using the filtration equipment to filter impurities, the filter screen usually needs to be cleaned irregularly because the impurities are blocked on the filter screen, in order to achieve the effect of convenient cleaning, most of the filtration equipment currently has the function of self -cleaning, the self -cleaning of this kind is mainly through reverse conveying water to achieve the effect of reverse flushing of the filter screen, and finally achieves the purpose of self -cleaning.

[0003] Although this kind of self -cleaning filtration equipment has the effect of reverse flushing and self -cleaning, once the filter screen and pipeline in the equipment are installed, the filter screen is completely limited and fixed, and the filter screen cannot be disassembled, when the filter screen is used for a long time, it will be damaged under the pressure of water pressure, at this time, the filter screen cannot be disassembled and replaced, which will affect its use effect and bring inconvenience to the user.

[0004] Therefore, it is necessary to develop a water supply and drainage system self -cleaning filtration equipment to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at designing a water supply and drainage system self -cleaning filtration equipment to solve the above problems.

[0006] The utility model realizes the above-mentioned purposes through the following technical schemes:

[0007] The water supply and drainage system self -cleaning filtration equipment comprises:

[0008] The filter cylinder is provided with a filter screen, and the filter screen is provided with a plurality of filter holes.

[0009] The conical cylinder is coaxially arranged with the filter cylinder, and the upper end of the conical cylinder is communicated with the lower end of the filter cylinder.

[0010] The blowdown pipe is installed at the lower end of the conical cylinder.

[0011] The top cover is installed at the upper end of the filter cylinder and is used for plugging the upper end of the filter cylinder.

[0012] The vertical pipe is installed at the top of the top cover, and the lower end of the vertical pipe is arranged in the filter cylinder.

[0013] Horizontal pipe; the horizontal pipe is installed in the filter cylinder; the lower end of the vertical pipe is communicated with the horizontal pipe;

[0014] Multiple uniform distribution pipes; the multiple uniform distribution pipes are all horizontally installed, and the multiple uniform distribution pipes are all communicated with the horizontal pipe;

[0015] Multiple high-pressure flushing nozzles; the multiple high-pressure flushing nozzles are respectively installed below the multiple uniform distribution pipes;

[0016] Water inlet pipe; the water inlet pipe is installed on the side wall of the conical cylinder;

[0017] Water outlet pipe; the water outlet pipe is installed on the side wall of the filter cylinder; second valves are installed on the water inlet pipe and the water outlet pipe;

[0018] Filter screen; the filter screen is horizontally installed at the bottom of the filter cylinder, the water outlet pipe is arranged above the filter screen, and the water outlet pipe is located below the high-pressure flushing nozzle.

[0019] Compared with the prior art, the filter screen can be disassembled, cleaned and replaced.

[0020] 1、The top cover can be disassembled, the vertical pipe is installed on the top cover and can be taken off together with the top cover, in addition, the filter screen can also be disassembled by using multiple fastening bolts to fixedly connect between the fixing ring and the supporting ring, so that the filter screen can be disassembled, cleaned and replaced.

[0021] 2、The sealing ring can improve the sealing effect between the supporting ring and the fixing ring, and the high-pressure flushing nozzle can realize reverse flushing operation on the filter screen from top to bottom, so that the self-cleaning effect is achieved. DRAWINGS

[0022] Figure 1 It is a schematic view of the overall structure of the utility model;

[0023] Figure 2 It is an exploded structure schematic view of the utility model;

[0024] Figure 3 It is a partial structure schematic view of the utility model;

[0025] Figure 4 It is a sectional view of the filter cylinder of the utility model;

[0026] The meanings of various reference numerals in the drawing are as follows:

[0027] 1、Filter cylinder; 10、Conical cylinder; 11、Sewer; 12、Supporting leg; 13、Top cover; 14、Hose; 15、Vertical pipe; 16、First valve; 17、Horizontal pipe; 18、Uniform distribution pipe; 19、High-pressure flushing nozzle;

[0028] 2, inlet pipe; 20, outlet pipe; 21, second valve;

[0029] 3, support ring; 30, sealing ring; 31, fixed ring; 311, filter screen. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without making creative efforts fall within the scope of protection of the present application.

[0032] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0033] In the description of the present application, it is understood that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present application, it is also necessary to note that, unless otherwise explicitly specified and limited, the terms "provided", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0037] As Figures 1-4 indicated, the water supply and drainage system self-cleaning filter equipment comprises:

[0038] A filter cylinder 1;

[0039] A conical cylinder 10; the filter cylinder 1 and the conical cylinder 10 are both arranged axially through, and the upper end of the conical cylinder 10 is communicated with the lower end of the filter cylinder 1;

[0040] A blow-off pipe 11; the blow-off pipe 11 is installed at the lower end of the conical cylinder 10;

[0041] A top cover 13; the top cover 13 is installed at the upper end of the filter cylinder 1 through a plurality of bolts, and is used for plugging the upper end of the filter cylinder 1;

[0042] A vertical pipe 15; the vertical pipe 15 is installed at the top of the top cover 13, and the lower end of the vertical pipe 15 is placed in the filter cylinder 1; the blow-off pipe 11 and the vertical pipe 15 are both provided with a first valve 16, so as to realize the opening and closing operation by using the first valve 16;

[0043] A horizontal pipe 17; the horizontal pipe 17 is installed in the filter cylinder 1; the lower end of the vertical pipe 15 is communicated with the horizontal pipe 17;

[0044] A plurality of uniform distribution pipes 18; the plurality of uniform distribution pipes 18 are all horizontally installed, and the plurality of uniform distribution pipes 18 are all communicated with the horizontal pipe 17;

[0045] A plurality of high-pressure flushing nozzles 19; the plurality of high-pressure flushing nozzles 19 are arranged and installed at equal intervals below the plurality of uniform distribution pipes 18;

[0046] A water inlet pipe 2; the water inlet pipe 2 is installed on the side wall of the conical cylinder 10;

[0047] A water outlet pipe 20; the water outlet pipe 20 is installed on the side wall of the filter cylinder 1; the water inlet pipe 2 and the water outlet pipe 20 are both provided with a second valve 21, so as to realize the opening and closing operation by using the second valve 21;

[0048] A filter screen 311; the filter screen 311 is horizontally installed at the bottom of the filter cylinder 1, the water outlet pipe 20 is placed above the filter screen 311, and the water outlet pipe 20 is below the high-pressure flushing nozzle 19. Through the scheme, the water body can be filtered by using the filter screen 311, and the filter screen 311 can be flushed by the high-pressure flushing nozzle 19, so that the filter screen 311 part can be cleaned.

[0049] In some embodiments, as Figure 4As shown, the water supply and drainage system self-cleaning filtering equipment further comprises a supporting ring 3 and a fixing ring 31, the supporting ring 3 is horizontally fixedly installed at the inner wall bottom of the filtering cylinder 1, the filtering screen 311 is placed on the supporting ring 3, and the fixing ring 31 is placed on the filtering screen 311, and the supporting ring 3 and the fixing ring 31 are axially connected through a plurality of screws.

[0050] In some embodiments, as shown in Figure 1 and 2 As shown in Figs. 1, 2 and 4, the conical cylinder 10 is in the shape of a circular truncated cone, and the inner diameter of the conical cylinder 10 decreases from top to bottom, so that the impurities in the conical cylinder 10 are more easily discharged outward along the conical cylinder 10.

[0051] In some embodiments, the distance between two high-pressure flushing nozzles 19 adjacent to each other is less than 6 cm.

[0052] In some embodiments, as shown in Figure 1 and 3 As shown in Figs. 1, 2 and 4, the upper end of the vertical pipe 15 is fixedly installed with the hose 14, and the length of the hose 14 is greater than the outer diameter of the top cover 13, so that the hose 14 does not block the normal opening operation of the top cover 13.

[0053] In some embodiments, as shown in Figure 1 and 2 As shown in Figs. 1, 2 and 4, a plurality of supporting legs 12 in the shape of a ring are fixedly installed at the bottom of the filtering cylinder 1, so that stable supporting operation is realized by using the supporting legs 12.

[0054] In some embodiments, the distance between the blowdown pipe 11 and the ground is greater than 10 cm.

[0055] In some embodiments, as shown in Figure 4 As shown in Figs. 1, 2 and 4, a sealing ring 30 is arranged between the fixing ring 31 and the supporting ring 3, and the sealing ring 30 can improve the sealing effect and avoid leakage.

[0056] When the water supply and drainage system self-cleaning filtering equipment is used, the water inlet pipe 2 is connected to the water inlet pipeline, the water outlet pipe 20 is connected to the water outlet pipeline, the hose 14 is connected to the water flushing pipeline, the first valve 16 is closed, and the second valve 21 is opened, at this time, water can enter along the water inlet pipe 2, pass through the filtering screen 311 for filtration, and then be discharged outward along the water outlet pipe 20, so that water filtration operation is realized.

[0057] When cleaning is needed, the second valve 21 is closed, and the first valve 16 is opened, at this time, water enters along the hose 14 and is sprayed from the high-pressure flushing nozzle 19, and the water is sprayed on the filtering screen 311, so that the filtering screen 311 is washed from top to bottom, and the impurities washed are discharged outward along the conical cylinder 10 and the blowdown pipe 11.

[0058] In addition, the top cover 13 is opened, and the top cover 13 and the vertical pipe 15 and other components are taken out, at this time, the filter screen 311 can be disassembled, cleaned and replaced.

[0059] The above only is the preferred embodiment of the present application, it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A self-cleaning filtering device for a water supply and drainage system, characterized by: It includes: Filtering cylinder (1); Conical cylinder (10); filtering cylinder (1) and conical cylinder (10) are provided through the axis, the upper end of conical cylinder (10) is communicated with the lower end of filtering cylinder (1); Sewer pipe (11); sewer pipe (11) is installed in the lower end of conical cylinder (10); Top cover (13); top cover (13) is installed in the upper end of filtering cylinder (1), and is used for plugging the upper end of filtering cylinder (1); Vertical pipe (15); vertical pipe (15) is installed on the top of top cover (13), and the lower end of vertical pipe (15) is placed in filtering cylinder (1); first valve (16) is arranged on sewer pipe (11) and vertical pipe (15); Horizontal pipe (17); horizontal pipe (17) is installed in filtering cylinder (1); the lower end of vertical pipe (15) is communicated with horizontal pipe (17); Multiple uniform distribution pipes (18); multiple uniform distribution pipes (18) are horizontally installed, and multiple uniform distribution pipes (18) are communicated with horizontal pipe (17); Multiple high-pressure flushing nozzles (19); multiple high-pressure flushing nozzles (19) are respectively installed below multiple uniform distribution pipes (18); Water inlet pipe (2); water inlet pipe (2) is installed on the side wall of conical cylinder (10); Water outlet pipe (20); water outlet pipe (20) is installed on the side wall of filtering cylinder (1); second valve (21) is arranged on water inlet pipe (2) and water outlet pipe (20); Filter screen (311); filter screen (311) is horizontally installed at the bottom of filtering cylinder (1), water outlet pipe (20) is placed above filter screen (311), and water outlet pipe (20) is below high-pressure flushing nozzle (19).

2. The water supply and drainage system self-cleaning filtering device according to claim 1, characterized in that: The water supply and drainage system self-cleaning filtering equipment further includes a supporting ring (3) and a fixing ring (31), the supporting ring (3) is horizontally fixedly installed on the inner wall bottom of the filtering cylinder (1), the filter screen (311) is placed on the supporting ring (3), the fixing ring (31) is placed on the filter screen (311), and the supporting ring (3) and the fixing ring (31) are axially connected through multiple screws.

3. The water supply and drainage system self-cleaning filtering device according to claim 1, characterized in that: The conical cylinder (10) is in the shape of a circular truncated cone, and the inner diameter of the conical cylinder (10) decreases from top to bottom.

4. The water supply and drainage system self-cleaning filtering apparatus according to claim 1, characterized in that: The distance between two high-pressure flushing nozzles (19) adjacent to each other is less than 6 cm.

5. The water supply and drainage system self-cleaning filtering apparatus according to claim 1, characterized in that: The upper end of the vertical pipe (15) is fixedly installed with a hose (14), and the length of the hose (14) is greater than the outer diameter of the top cover (13).

6. The water supply and drainage system self-cleaning filter apparatus according to claim 1, characterized by: The bottom of the filtering cylinder (1) is fixedly installed with multiple supporting legs (12) arranged in a ring shape at equal intervals.

7. The water supply and drainage system self-cleaning filtering device according to claim 6, characterized in that: The distance between the sewer pipe (11) and the ground is greater than 10 cm.

8. The water supply and drainage system self-cleaning filtering apparatus according to claim 2, characterized in that: A sealing ring (30) is arranged between the fixing ring (31) and the supporting ring (3).

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