Inlet water filtering device for water treatment of water plant

Abstract

The utility model relates to the technical field of inlet water filtering, in particular to a water plant water treatment inlet water filtering device, which comprises a treatment tank, a filter cartridge is fixedly connected to the center of the bottom surface of the inner wall of the treatment tank, and a main pollution discharge pipe is fixedly connected to one side of the top surface of the treatment tank. The sewage disposal device has the advantages that the sewage disposal main pipe is arranged at the top of the sewage disposal main pipe, so that input water flow is discharged from the sewage disposal main pipe only when the input water flow submerges the filter cartridge, the filtering efficiency of the filter cartridge is fully exerted, and meanwhile, when the water level is higher than the treatment tank, under the pushing of the thrust spring, the water flow is discharged from the sewage disposal main pipe. The water flow can be discharged only when the water body pushes the flow-limiting piston outwards to move upwards to open the sewage discharge branch pipe, so that the treatment tank has certain water pressure, the filtering efficiency of the filter cartridge can be improved, and impurities on the outer wall of the filter cartridge can be pushed upwards to be separated from the filter cartridge step by step by driving the vortex page to rotate through the gear motor. The outer wall of the filter cartridge is cleaned and dredged, continuous cleaning is achieved, and the filtering efficiency of the filter cartridge is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of water inlet filtration, in particular to a water inlet filtration device for water treatment in a water plant. Background Art

[0002] When a water plant is treating water, it needs to filter the water first when it enters the water, filtering out larger impurities in the water.

[0003] In Chinese utility model CN218357749U, a water treatment inlet filter device for water treatment in a water plant is disclosed. When the water treatment inlet filter device for water treatment in a water plant is used, after the movable tube slides inside the slot at a later stage, the fixed ring leaks out to facilitate the replacement and use of the second and third filter mechanisms. In addition, when the movable tube is displaced, the first filter assembly contacts the arc seat, and impurities on the surface of the first filter assembly are cleaned by rotation. However, the water treatment inlet filter device for water treatment in a water plant still has the following problems in use:

[0004] The water treatment inlet filtration device of the water plant is equipped with a drain pipe at the bottom, and the water flows directly out, resulting in low water pressure inside the barrel, causing poor filtration effect. A large amount of unfiltered water flows directly from the drain pipe, affecting the filtration efficiency. At the same time, there is a lack of automated cleaning of the filter components, which affects the service life. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a water treatment water inlet filtration device for a water plant to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a water treatment water inlet filtration device for a water plant, including a treatment tank, a filter cartridge is fixedly connected to the center of the bottom surface of the inner wall of the treatment tank, a sewage main is fixedly connected to one side of the top surface of the treatment tank, a sewage branch pipe is fixedly connected to one side of the middle part of the sewage main pipe, and the sewage branch pipe is connected to the interior of the treatment tank through the sewage main pipe. A guide rod is slidably connected to the center of the top surface of the sewage main pipe, and the guide rod passes through the top surface of the sewage main pipe. The bottom end of the guide rod is fixedly connected to a flow limiting piston, and the diameter of the flow limiting piston is the same as the diameter of the inner wall of the sewage main pipe. The diameters of the flow-limiting piston and the sewage branch pipe are adapted to each other, the length of the flow-limiting piston is larger than the diameter of the sewage branch pipe, the outer wall of the guide rod is sleeved with a thrust spring, the thrust spring is located between the top surface of the flow-limiting piston and the top surface of the inner wall of the sewage branch pipe, a reduction motor is fixedly connected to the center of the top surface of the treatment tank, the output end of the reduction motor penetrates into the center of the inner wall of the treatment tank and is fixedly connected to a turntable, the edge of the turntable is fixedly connected to a pushing vortex leaf, the diameter of the inner side of the pushing vortex leaf is adapted to the diameter of the outer wall of the filter cartridge, the inner side of the pushing vortex leaf is fitted with the outer wall of the filter cartridge, and the bottom of one side of the treatment tank is fixedly connected to a water inlet pipe.

[0008] Preferably, any of the above schemes is that a collecting bucket is fixedly connected to the bottom of the filter cartridge, a water outlet pipe is fixedly connected to the output end of the collecting bucket, and the filter cartridge is connected to the water outlet pipe via the collecting bucket.

[0009] The technical effect achieved by adopting the above solution is that the water filtered out of the filter cartridge can be gathered into the water outlet pipe through the gathering bucket and input into the subsequent pipeline.

[0010] Preferably, any of the above schemes has a stopper fixedly connected to the top of the guide rod, the length of the inner wall of the sewage main pipe protruding above the sewage branch pipe is greater than the length of the flow limiting piston, and the length of the thrust spring after reset is adapted to the length of the inner wall of the sewage main pipe protruding above the sewage branch pipe.

[0011] The technical effect achieved by adopting the above solution is that the flow limiting piston can be completely recovered to the top of the inner wall of the sewage main pipe, so that one side of the sewage branch pipe is completely open.

[0012] Preferably, from any of the above schemes, the output shaft of the reduction motor is rotatably connected to the processing tank via a sealed bearing, a plurality of stirring blades are fixedly connected to the outer side of the push vortex vane, and the plurality of stirring blades are distributed in a radial annular array around the center of the turntable.

[0013] The technical effect achieved by adopting the above scheme is that the impurities cleaned can be stirred and floated by the rotation of a plurality of stirring blades, thereby preventing the impurities from being deposited on the bottom of the inner wall of the treatment tank, so as to facilitate the discharge of the impurities.

[0014] Preferably, any of the above schemes has a height of the filter cartridge greater than two-thirds of the height of the inner wall of the treatment tank, a one-way valve is provided at the connection between the water inlet pipe and the treatment tank, the water inlet pipe is connected to the interior of the treatment tank through the one-way valve, and the one-way valve is opened in one direction toward the interior of the treatment tank.

[0015] The technical effect achieved by adopting the above solution is that the one-way valve can prevent the input water flow from flowing back when the water pressure inside the treatment tank is too high, so as to help maintain the pressure inside the treatment tank.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] 1. The water treatment water inlet filtration device of the water plant sets the sewage main pipe on the top of the sewage main pipe, so that the input water flow will be discharged from the sewage main pipe only when it passes through the filter cartridge, thus giving full play to the filtration efficiency of the filter cartridge. At the same time, when the water level is higher than the treatment tank, the water body pushes the flow-limiting piston outward and moves upward to open the sewage branch pipe under the push of the thrust spring to discharge the water flow, so that the treatment tank has a certain water pressure, which can improve the filtration efficiency of the filter cartridge.

[0018] 2. The water treatment inlet filtration device of the water plant can drive the vortex vane to rotate through the reduction motor to push the impurities on the outer wall of the filter cartridge upward and gradually separate them from the filter cartridge, thereby cleaning and dredging the outer wall of the filter cartridge, achieving continuous cleaning and maintaining the filtration efficiency of the filter cartridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0022] In the figure: 1-treatment tank, 2-water inlet pipe, 3-water outlet pipe, 4-sewage main pipe, 5-sewage branch pipe, 6-guide rod, 7-stop head, 8-reduction motor, 9-convergence bucket, 10-flow limiting piston, 11-thrust spring, 12-turntable, 13-pushing vortex leaf, 14-filter cartridge, 15-agitation fan blade, 16-check valve. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0024] Embodiment 1: Figures 1 to 3As shown, a water treatment inlet filtration device for a water plant comprises a treatment tank 1, a filter cartridge 14 is fixedly connected at the center of the bottom surface of the inner wall of the treatment tank 1, a sewage discharge pipe 4 is fixedly connected to one side of the top surface of the treatment tank 1, a sewage discharge branch pipe 5 is fixedly connected to one side of the middle part of the sewage discharge pipe 4, the sewage discharge branch pipe 5 is connected to the inside of the treatment tank 1 through the sewage discharge pipe 4, a guide rod 6 is slidably connected at the center of the top surface of the sewage discharge pipe 4, and a flow limiting piston 10 is fixedly connected to the bottom end of the guide rod 6, the diameter of the flow limiting piston 10 is adapted to the diameter of the inner wall of the sewage discharge pipe 4, and the length of the flow limiting piston 10 is 200mm. The degree is greater than the diameter of the sewage branch pipe 5. The outer wall of the guide rod 6 is sleeved with a thrust spring 11, and the thrust spring 11 is between the top surface of the flow limiting piston 10 and the top surface of the inner wall of the sewage main pipe 4. The center of the top surface of the treatment tank 1 is fixedly connected with a reduction motor 8, and the output end of the reduction motor 8 penetrates into the center of the inner wall of the treatment tank 1 and is fixedly connected with a turntable 12. The edge of the turntable 12 is fixedly connected with a pushing vortex leaf 13, and the diameter of the inner side of the pushing vortex leaf 13 is adapted to the diameter of the outer wall of the filter cartridge 14, and the inner side of the pushing vortex leaf 13 is in contact with the outer wall of the filter cartridge 14. The bottom of one side of the treatment tank 1 is fixedly connected with a water inlet pipe 2.

[0025] As an optional technical solution of the present utility model, the bottom of the filter cartridge 14 is fixedly connected to a collecting bucket 9, and the output end of the collecting bucket 9 is fixedly connected to the water outlet pipe 3. The filter cartridge 14 is connected to the water outlet pipe 3 through the collecting bucket 9, so that the water filtered by the filter cartridge 14 can be collected to the water outlet pipe 3 through the collecting bucket 9 and input into the subsequent pipeline.

[0026] As an optional technical solution of the present utility model, a stopper 7 is fixedly connected to the top of the guide rod 6, the length of the inner wall of the sewage main pipe 4 that is higher than the sewage branch pipe 5 is greater than the length of the flow limiting piston 10, and the length of the thrust spring 11 after reset is adapted to the length of the inner wall of the sewage main pipe 4 that is higher than the sewage branch pipe 5, so that the flow limiting piston 10 can be completely recovered to the top of the inner wall of the sewage main pipe 4, so that one side of the sewage branch pipe 5 is fully opened.

[0027] As an optional technical solution of the utility model, the output shaft of the reduction motor 8 is rotatably connected to the processing tank 1 through a sealed bearing, and a plurality of stirring blades 15 are fixedly connected to the outer side of the vortex leaf 13. The plurality of stirring blades 15 are distributed in a radial annular array around the center of the turntable 12. The rotation of the plurality of stirring blades 15 can stir and float the cleaned impurities, preventing the impurities from being deposited on the bottom of the inner wall of the processing tank 1, so as to facilitate the discharge of the impurities.

[0028] As an optional technical solution of the present invention, the height of the filter cartridge 14 is greater than two-thirds of the height of the inner wall of the treatment tank 1. A one-way valve 16 is provided at the connection between the water inlet pipe 2 and the treatment tank 1. The water inlet pipe 2 is connected to the interior of the treatment tank 1 through the one-way valve 16. The one-way valve 16 is opened in one direction toward the interior of the treatment tank 1. The one-way valve 16 can prevent the input water flow from flowing back when the water pressure inside the treatment tank 1 is too high, so as to maintain the pressure inside the treatment tank 1.

[0029] A water treatment water inlet filtration device for a water plant, the working principle is as follows:

[0030] 1) Inject water into the treatment tank 1 through the water inlet pipe 2. The input water needs to submerge the filter cartridge 14 before it is discharged from the sewage main pipe 4;

[0031] 2) When the water level is higher than the treatment tank 1, the water body, under the push of the thrust spring 11, has to push the flow limiting piston 10 outward to move upward to open the sewage branch pipe 5 in order to discharge the water flow, so that the treatment tank 1 has a certain water pressure, which can improve the filtering efficiency of the filter cartridge 14;

[0032] 3) The vortex blade 13 is driven by the reduction motor 8 to rotate, so that the impurities on the outer wall of the filter cartridge 14 can be pushed upward and gradually separated from the filter cartridge 14, thereby cleaning and dredging the outer wall of the filter cartridge 14, achieving continuous cleaning, and the cleaned impurities are discharged through the sewage pipe 4.

[0033] To sum up, the water treatment water inlet filtration device of the water plant, by setting the sewage discharge pipe 4 at the top of the sewage discharge pipe 4, the input water flow needs to submerge the filter cartridge 14 before it is discharged from the sewage discharge pipe 4, thus giving full play to the filtering efficiency of the filter cartridge 14, and at the same time, when the water level is higher than the treatment tank 1, under the push of the thrust spring 11, the water body must push the flow limiting piston 10 outward to move upward to open the sewage discharge branch pipe 5 before the water flow can be discharged, so that the treatment tank 1 can have a certain water pressure, which can improve the filtering efficiency of the filter cartridge 14, and the impurities on the outer wall of the filter cartridge 14 can be pushed upward and gradually separated from the filter cartridge 14 by the reduction motor 8, so as to realize the cleaning and dredging of the outer wall of the filter cartridge 14, realize continuous cleaning, and maintain the filtering efficiency of the filter cartridge 14.

[0034] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water treatment water inlet filtration device for a water plant, characterized by: The invention comprises a treatment tank (1), wherein a filter cartridge (14) is fixedly connected at the center of the bottom surface of the inner wall of the treatment tank (1), a sewage discharge pipe (4) is fixedly connected at one side of the top surface of the treatment tank (1), a sewage discharge branch pipe (5) is fixedly connected at one side of the middle part of the sewage discharge pipe (4), the sewage discharge branch pipe (5) is connected to the interior of the treatment tank (1) through the sewage discharge pipe (4), a guide rod (6) is slidably connected at the center of the top surface of the sewage discharge pipe (4) and the guide rod (6) passes through the top surface of the sewage discharge pipe (4), and a flow limiting piston (10) is fixedly connected at the bottom end of the guide rod (6), the diameter of the flow limiting piston (10) is matched with the diameter of the inner wall of the sewage discharge pipe (4), and the length of the flow limiting piston (10) is greater than the sewage discharge branch pipe (5). The outer wall of the guide rod (6) is sleeved with a thrust spring (11), and the thrust spring (11) is located between the top surface of the flow limiting piston (10) and the top surface of the inner wall of the sewage discharge pipe (4). The center of the top surface of the treatment tank (1) is fixedly connected to a reduction motor (8), and the output end of the reduction motor (8) penetrates into the center of the inner wall of the treatment tank (1) and is fixedly connected to a turntable (12). The edge of the turntable (12) is fixedly connected to a push vortex leaf (13), and the inner diameter of the push vortex leaf (13) is matched with the diameter of the outer wall of the filter cartridge (14). The inner side of the push vortex leaf (13) is in contact with the outer wall of the filter cartridge (14), and the bottom of one side of the treatment tank (1) is fixedly connected to a water inlet pipe (2).

2. A water treatment water inlet filtration device for a water plant according to claim 1, characterized in that: The bottom of the filter cartridge (14) is fixedly connected to a collecting bucket (9), the output end of the collecting bucket (9) is fixedly connected to a water outlet pipe (3), and the filter cartridge (14) is connected to the water outlet pipe (3) via the collecting bucket (9).

3. A water treatment water inlet filtration device for a water plant according to claim 2, characterized in that: The top end of the guide rod (6) is fixedly connected to a stopper (7); the length of the portion of the inner wall of the sewage main pipe (4) that is higher than the sewage branch pipe (5) is greater than the length of the flow limiting piston (10); and the length of the thrust spring (11) after reset is adapted to the length of the portion of the inner wall of the sewage main pipe (4) that is higher than the sewage branch pipe (5).

4. A water treatment water inlet filtration device for a water plant according to claim 3, characterized in that: The output shaft of the reduction motor (8) is rotationally connected to the processing tank (1) via a sealed bearing, and a plurality of stirring blades (15) are fixedly connected to the outer side of the push vortex leaf (13), and the plurality of stirring blades (15) are distributed in a radial annular array around the center of the rotating disk (12).

5. A water treatment water inlet filtration device for a water plant according to claim 4, characterized in that: The height of the filter cartridge (14) is greater than two-thirds of the height of the inner wall of the treatment tank (1); a one-way valve (16) is provided at the connection between the water inlet pipe (2) and the treatment tank (1); the water inlet pipe (2) is connected to the interior of the treatment tank (1) via the one-way valve (16); and the one-way valve (16) is opened in one direction toward the interior of the treatment tank (1).

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