Automatic backwashing type filter for water treatment

Abstract

The utility model provides an automatic backwashing type filter for water treatment, which belongs to the technical field of water treatment and comprises a barrel, two electrode plates, a support plate, a filter material, a limiting net, a backwashing component, two adjusting mechanisms, a differential pressure sensor and a backwashing water outlet, the barrel is a hollow cavity, and a water inlet and a water outlet are formed in the top and the bottom of the barrel respectively; the two electrode plates are arranged on the two sides of the inner wall of the cylinder body respectively, and the water inlet is located between the two electrode plates; a plurality of water outlet holes are formed in the supporting plate, and the supporting plate is embedded into the cylinder and located below the electrode plate; the filter material is placed on the top surface of the supporting plate; according to the device, the differential pressure sensor, the backwashing assembly and the adjusting mechanism are combined for use, so that the purpose of automatic washing is achieved, manual intervention is not needed, a filter element does not need to be frequently replaced, and the backwashing effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water treatment, and in particular relates to an automatic backwashing filter for water treatment. Background Art

[0002] In the patent application with application number 202420009284.X, a high-pressure manual backwash filter device is proposed. By setting a top box body, a connecting pipe, a transfer shell, a mounting cylinder and an inner filter element, the problem of poor stability of the high-pressure backwash filter device requiring electronic equipment to control when working and the need to shut down the entire device when replacing the filter element, which affects the continuity of work, is solved.

[0003] However, in the prior art, the filter element needs to be replaced frequently, and the backwashing effect is not high, and impurities cannot be completely removed. Therefore, there is an urgent need for a filter that can improve the backwashing effect and does not require frequent replacement of the filter element. Utility Model Content

[0004] Based on the above technical problems, the utility model provides an automatic backwash filter for water treatment. The device achieves the purpose of automatic flushing by combining a pressure difference sensor, a backwash component and an adjustment mechanism. It does not require manual intervention or frequent replacement of filter elements, and improves the backwashing effect.

[0005] The specific technical solution is:

[0006] An automatic backwash filter for water treatment, comprising: a cylinder, two electrode plates, a support plate, filter material, a limiter, a backwash assembly, two adjustment mechanisms, a differential pressure sensor and a backwash drain; the cylinder is a hollow cavity, and a water inlet and a water outlet are provided at the top and bottom of the cylinder respectively; the two electrode plates are respectively arranged on both sides of the inner wall of the cylinder, and the water inlet is located between the two electrode plates; a plurality of water outlet holes are provided on the support plate, the support plate is embedded in the cylinder, and the support plate is located below the electrode plate; the filter material is placed on the top surface of the support plate; the limiter is embedded in the cylinder, and the limiter is located at The backwash assembly comprises two backwash ports, a connecting pipe group, a booster pump and two flushing trays. The two backwash ports are respectively arranged on both sides of the bottom of the cylinder. The two flushing trays are respectively connected with the two backwash ports. The connecting pipe group is respectively connected with the output end of the booster pump and the two backwash ports. The two adjusting mechanisms are respectively arranged on both sides of the bottom of the cylinder, and the operating ends of the two adjusting mechanisms are respectively connected with the two flushing trays. The operating end of the differential pressure sensor is embedded in the cylinder, and the operating end of the differential pressure sensor is located above the filter material. The backwash drain outlet is connected with one side of the water inlet.

[0007] In addition, the automatic backwash filter for water treatment in the above technical solution provided by the utility model may also have the following additional technical features:

[0008] In the above technical solution, the connecting pipe group includes: two connecting pipes and a three-way valve; one end of the two connecting pipes is respectively connected to the two backwash ports; the three-way valve includes an input port and two output ports, the two output ports are respectively connected to the two connecting pipes, and the input port is connected to the output end of the booster pump.

[0009] In the above technical solution, the flushing plate includes: a water pipe, a mounting plate, at least two nozzles and two support frames; one end of the water pipe is connected to the backwash port; the mounting plate is a hollow cavity, and the mounting plate is connected to the other end of the water pipe; at least two nozzles are respectively connected to the mounting plate, and the output end of the nozzle is provided with a corner of a predetermined angle; the two support frames are respectively fixed on both sides of the inner wall of the cylinder, and the two support frames are respectively hinged to both sides of the mounting plate.

[0010] In the above technical solution, the adjustment mechanism includes: a bracket and an electric push rod; the bracket is arranged at the bottom of the cylinder; the electric push rod is fixed on the bracket, and the telescopic end of the electric push rod is hinged to the mounting plate.

[0011] The above technical solution also includes: at least two limit grooves and at least two insertion rods; at least two limit grooves are respectively arranged on the top surface of the support plate; one end of at least two insertion rods is respectively connected to the bottom of the limit net, and the other end of the insertion rod is embedded in the limit groove.

[0012] In the above technical solution, the limiting groove is hexagonal.

[0013] The above technical solution also includes: a first solenoid valve and a second solenoid valve; the first solenoid valve is arranged at the water inlet; and the second solenoid valve is arranged at the backwash drain outlet.

[0014] In the above technical solution, the nozzle is movably connected to the mounting plate via a universal joint.

[0015] Compared with the prior art, the utility model of an automatic backwash filter for water treatment has the following beneficial effects:

[0016] 1. The electrode plate and filter material are used in combination to ensure the effect of water filtration. When the differential pressure sensor detects blockage in the filter material, the booster pump is automatically turned on to allow the flushing water to flush the filter material on the support plate through the flushing plate, and the flushed water and impurities are discharged through the backwash drain port, thereby achieving the purpose of automatic flushing without manual intervention.

[0017] 2. The angle of the flushing disc is adjusted through the adjustment mechanism, thereby changing the flushing angle, expanding the flushing range, improving the backwashing effect, ensuring the cleaning effect of the filter material, and thus increasing the service life of the filter material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a front view of an automatic backwash filter for water treatment according to the utility model;

[0019] Figure 2 It is a cross-sectional view of an automatic backwash filter for water treatment of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the limit groove of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the support plate and the limiting net after assembly of the utility model;

[0022] in, Figures 1 to 4 The corresponding relationship between the reference numerals and component names in the figure is:

[0023] 10 cylinder, 11 water inlet, 12 water outlet, 13 electrode plate, 14 support plate, 15 limit net, 16 backwash port, 17 booster pump, 18 differential pressure sensor, 19 backwash drain port, 20 connecting pipe, 21 three-way valve, 22 water pipe, 23 mounting plate, 24 nozzle, 25 support frame, 26 bracket, 27 electric push rod, 28 limit slot, 29 plug rod, 30 first solenoid valve, 31 second solenoid valve. DETAILED DESCRIPTION

[0024] The following is a combination of specific implementation cases and attached Figure 1-4 The present invention is further described below, but the present invention is not limited to these embodiments.

[0025] An automatic backwash filter for water treatment, such as Figure 1-4As shown, it includes: a cylinder 10, two electrode plates 13, a support plate 14, filter material, a limiting net 15, a backwash component, two adjustment mechanisms, a differential pressure sensor 18 and a backwash drain port 19; the cylinder 10 is a hollow cavity, and the top and bottom of the cylinder 10 are respectively provided with a water inlet 11 and a water outlet 12; the two electrode plates 13 are respectively arranged on both sides of the inner wall of the cylinder 10, and the water inlet 11 is located between the two electrode plates 13; a plurality of water outlet holes are provided on the support plate 14, the support plate 14 is embedded in the cylinder 10, and the support plate 14 is located below the electrode plate 13; the filter material is placed on the top surface of the support plate 14; the limiting net 15 is embedded in the cylinder 10, and the limiting net 15 Located above the filter material; the backwash component includes two backwash ports 16, a connecting pipe group 20, a booster pump 17 and two flushing trays, the two backwash ports 16 are respectively arranged on both sides of the bottom of the cylinder 10, the two flushing trays are respectively connected to the two backwash ports 16, and the connecting pipe group 20 is respectively connected to the output end of the booster pump 17 and the two backwash ports 16; the two adjusting mechanisms are respectively arranged on both sides of the bottom of the cylinder 10, and the operating ends of the two adjusting mechanisms are respectively connected to the two flushing trays; the operating end of the differential pressure sensor 18 is embedded in the cylinder 10, and the operating end of the differential pressure sensor 18 is located above the filter material; the backwash drain port 19 is connected to one side of the water inlet 11.

[0026] The cylinder 10 is a hollow cavity, and a water inlet 11 and a water outlet 12 are respectively provided at the top and bottom of the cylinder 10, and two electrode plates 13 are respectively arranged on both sides of the inner wall of the cylinder 10, and the water inlet 11 is located between the two electrode plates 13, so that the electrode plates 13 can perform preliminary purification of water; again, a plurality of water outlet holes are provided on the support plate 14, the support plate 14 is embedded in the cylinder 10, and the support plate 14 is located below the electrode plate 13, and the filter material is placed on the top surface of the support plate 14, so that the filter material can perform secondary purification of water, and the net The water after deionization is retained through the water outlet hole; again, by embedding the limiting net 15 into the cylinder 10, and the limiting net 15 is located above the filter material, the limiting net 15 plays a role in limiting the position of the filter material, thereby avoiding the filter material from being washed away during the subsequent backwashing operation; again, by the backwashing component including two backwashing ports 16, a connecting pipe 20 group, a booster pump 17 and two flushing trays, the two backwashing ports 16 are respectively arranged on both sides of the bottom of the cylinder 10, the two flushing trays are respectively connected to the two backwashing ports 16, and the connecting pipe The 20 groups are respectively connected to the output end of the booster pump 17 and the two backwashing ports 16, so that the booster pump 17 can pressurize the flushing water and spray it out through the two flushing discs, thereby achieving the purpose of flushing the filter material; again, by arranging the two adjusting mechanisms on both sides of the bottom of the cylinder 10, and the working ends of the two adjusting mechanisms are respectively connected to the two flushing discs, it is achieved that the angle of the flushing disc is adjusted by the adjusting mechanism, thereby expanding the flushing range and improving the backwashing effect; again, by embedding the working end of the differential pressure sensor 18 into the cylinder 10, and the working end of the differential pressure sensor 18 is located above the filter material, it is achieved that after the filter material has been used for a period of time, the filtered impurities are easy to block the water outlet. When the differential pressure sensor 18 detects that the pressure difference between the upstream and downstream of the filter material increases, the signal of the filter material blockage is transmitted to the booster pump 17, so that the booster pump 17 performs a backwashing operation, thereby achieving the purpose of automatic flushing; again, by connecting the backwashing drain port 19 to one side of the water inlet 11, the flushing water of the backwashing operation is discharged through the backwashing drain port 19. By adopting the above structure, the electrode plate 13 and the filter material are used in combination to ensure the effect of water filtration. When the differential pressure sensor 18 detects blockage in the filter material, the booster pump 17 is automatically turned on to allow the flushing water to flush the filter material on the support plate 14 through the flushing disk, and the flushed water and impurities are discharged through the backwashing drain port 19, thereby achieving the purpose of automatic flushing without manual intervention; the angle of the flushing disk is adjusted by the adjustment mechanism, thereby changing the flushing angle, expanding the flushing range, improving the backwashing effect, ensuring the cleaning effect of the filter material, and thereby improving the service life of the filter material.

[0027] Specifically, the model of the differential pressure sensor 18 is Honeywell PX2 differential pressure sensor 18 .

[0028] In the embodiments of the present invention, Figure 1-2 As shown, the connecting pipe 20 group includes: two connecting pipes 20 and a three-way valve 21; one end of the two connecting pipes 20 is respectively connected to the two backwash ports 16; the three-way valve 21 includes an input port and two output ports, the two output ports are respectively connected to the two connecting pipes 20, and the input port is connected to the output end of the booster pump 17.

[0029] By using the three-way valve 21 to divert water, after the booster pump 17 boosts the pressure of the flushing water, the water flows through the three-way valve 21 and enters the two backwashing ports 16 respectively.

[0030] In the embodiments of the present invention, Figure 1-2 As shown, the flushing plate includes: a water pipe 22, a mounting plate 23, at least two nozzles 24 and two support frames 25; one end of the water pipe 22 is connected to the backwash port 16; the mounting plate 23 is a hollow cavity, and the mounting plate 23 is connected to the other end of the water pipe 22; at least two nozzles 24 are respectively connected to the mounting plate 23, and the output end of the nozzle 24 is provided with a corner of a predetermined angle; the two support frames 25 are respectively fixed on both sides of the inner wall of the cylinder 10, and the two support frames 25 are respectively hinged to both sides of the mounting plate 23.

[0031] The water in the backwash port 16 enters the mounting plate 23 through the water pipe 22 and is sprayed out through the nozzle 24, thereby achieving the purpose of backwashing the filter material.

[0032] In the embodiments of the present invention, Figure 1-2 As shown, the adjustment mechanism includes: a bracket 26 and an electric push rod 27; the bracket 26 is arranged at the bottom of the cylinder 10; the electric push rod 27 is fixed on the bracket 26, and the telescopic end of the electric push rod 27 is hinged to the mounting plate 23.

[0033] By extending and retracting the electric push rod 27, the mounting plate 23 is driven to rotate around the support frame 25, so as to adjust the spray angle of the nozzle 24, thereby expanding the backwashing range and improving the backwashing effect.

[0034] In the embodiments of the present invention, Figure 3-4 As shown, it also includes: at least two limiting grooves 28 and at least two insertion rods 29; at least two limiting grooves 28 are respectively arranged on the top surface of the support plate 14; one end of at least two insertion rods 29 is respectively connected to the bottom of the limiting net 15, and the other end of the insertion rod 29 is embedded in the limiting groove 28.

[0035] The purpose of determining the position of the limiting net 15 is achieved by inserting the insertion rods 29 into the limiting grooves 28 , respectively. This method facilitates the disassembly and installation of the limiting net 15 .

[0036] Specifically, the number of the inserting rods 29 and the limiting grooves 28 is 6, thereby improving the installation stability of the limiting net 15.

[0037] In the embodiment of the present invention, the limiting groove 28 is hexagonal.

[0038] By setting the limiting groove 28 to be hexagonal, the tightness of the insertion between the insertion rod 29 and the limiting groove 28 is improved.

[0039] In the embodiments of the present invention, Figure 1-2 As shown, it also includes: a first solenoid valve 30 and a second solenoid valve 31 ; the first solenoid valve 30 is arranged at the water inlet 11 ; the second solenoid valve 31 is arranged at the backwash drain port 19 .

[0040] When the backwashing operation is performed, the first solenoid valve 30 is closed and the second solenoid valve 31 is opened, thereby ensuring that the backwashing water is discharged through the backwashing drain port 19 .

[0041] In the embodiment of the present invention, the nozzle 24 is movably connected to the mounting plate 23 via a universal joint.

[0042] The nozzle 24 is movably connected to the mounting plate 23 via a universal joint, so that the nozzle 24 can be rotated to a suitable angle according to the needs of the staff, thereby achieving the purpose of multi-angle spraying, thereby improving the backwashing effect.

[0043] Implementation process: The electrode plate 13 and the filter material are used in combination to ensure the effect of water filtration. When the differential pressure sensor 18 detects blockage in the filter material, the booster pump 17 is automatically turned on to allow the flushing water to flush the filter material on the support plate 14 through the flushing plate, and the flushed water and impurities are discharged through the backwashing drain port 19, thereby achieving the purpose of automatic flushing without manual intervention; the angle of the flushing plate is adjusted by the adjustment mechanism, thereby changing the flushing angle, expanding the flushing range, improving the backwashing effect, ensuring the cleaning effect of the filter material, and thereby improving the service life of the filter material.

[0044] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In the description of the present invention, the terms "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0046] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic backwash filter for water treatment, characterized in that: include: The cylinder is a hollow cavity, and the top and bottom of the cylinder are respectively provided with a water inlet and a water outlet; Two electrode plates, the two electrode plates are respectively arranged on both sides of the inner wall of the cylinder, and the water inlet is located between the two electrode plates; A support plate, wherein a plurality of water outlet holes are provided on the support plate, the support plate is embedded in the cylinder, and the support plate is located below the electrode plate; Filter material, the filter material is placed on the top surface of the support plate; A position limiting net, wherein the position limiting net is embedded in the cylinder and is located above the filter material; A backwashing assembly, the backwashing assembly comprising two backwashing ports, a connecting pipe group, a booster pump and two flushing trays, the two backwashing ports are respectively arranged on both sides of the bottom of the cylinder, the two flushing trays are respectively connected to the two backwashing ports, and the connecting pipe group is respectively connected to the output end of the booster pump and the two backwashing ports; Two adjusting mechanisms, the two adjusting mechanisms are respectively arranged on both sides of the bottom of the cylinder, and the operating ends of the two adjusting mechanisms are respectively connected to the two flushing trays; A differential pressure sensor, wherein an operating end of the differential pressure sensor is embedded in the cylinder and the operating end of the differential pressure sensor is located above the filter material; A backwash drain outlet is connected to one side of the water inlet.

2. An automatic backwash filter for water treatment according to claim 1, characterized in that: The connecting pipe group comprises: Two connecting pipes, one end of each of the two connecting pipes being connected to the two backwash ports respectively; A three-way valve, wherein the three-way valve comprises an input port and two output ports, wherein the two output ports are respectively connected to the two connecting pipes, and the input port is connected to the output end of the booster pump.

3. An automatic backwash filter for water treatment according to claim 2, characterized in that: The flushing tray comprises: A water pipe, one end of which is connected to the backwash port; A mounting plate, wherein the mounting plate is a hollow cavity and is connected to the other end of the water pipe; At least two nozzles, at least two of the nozzles are respectively connected to the mounting plate, and the output ends of the nozzles are provided with corners of a predetermined angle; Two support frames are respectively fixed on two sides of the inner wall of the cylinder, and the two support frames are respectively hinged to two sides of the mounting plate.

4. The automatic backwash filter for water treatment according to claim 3, characterized in that: The regulating mechanism comprises: A bracket, the bracket being arranged at the bottom of the cylinder; An electric push rod is fixed on the bracket, and a telescopic end of the electric push rod is hinged to the mounting plate.

5. The automatic backwash filter for water treatment according to claim 4, characterized in that: Also includes: At least two limiting grooves, wherein at least two limiting grooves are respectively arranged on the top surface of the support plate; At least two insertion rods, one end of at least two of the insertion rods is respectively connected to the bottom of the limiting net, and the other end of the insertion rod is embedded in the limiting groove.

6. The automatic backwash filter for water treatment according to claim 5, characterized in that: The limiting groove is hexagonal.

7. An automatic backwash filter for water treatment according to claim 6, characterized in that: Also includes: a first solenoid valve, wherein the first solenoid valve is arranged at the water inlet; A second solenoid valve is disposed at the backwash drain port.

8. The automatic backwash filter for water treatment according to claim 7, characterized in that: The nozzle is movably connected to the mounting plate via a universal joint.

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