Automatic ammonia water backwashing device

Abstract

The utility model discloses an automatic ammonia water backwashing device which comprises an electric three-way valve, conveying components are mounted at two ends of the electric three-way valve, a connecting pipe is mounted at the other end of the electric three-way valve, one end of the connecting pipe is connected with a filter cartridge, and a filter screen is mounted in the filter cartridge. And a floating assembly is arranged below the filter screen in the filter cartridge. By arranging the floating assembly, when ammonia water enters the filter cartridge, a floating ball in the floating assembly is influenced by buoyancy to drive a sliding rod to ascend along a supporting plate until the top end of the floating ball abuts against the bottom end of a filter screen, and the filter screen is deformed to a certain extent when the floating ball abuts against the filter screen; impurities which are tightly adhered can be loosened through deformation generated by a filter screen, so that the impurities can be conveniently and rapidly cleaned by ammonia water, the cleaning time is shortened, the cleaning efficiency is improved, and a limiting plate can prevent a sliding rod from being separated from a supporting plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to ammonia water automatic backwash technical field especially relates to a kind of ammonia water automatic backwash device. BACKGROUND

[0002] Ammonia water automatic backwash (usually used in water treatment, industrial equipment or air purification system) is a process of automatic cleaning and regeneration equipment, mainly used to remove pollutants, deposits or incrustations in filter core, membrane or other filtration systems. It is usually applied to industrial fields that need to maintain water quality pure or remove specific pollutants, such as wastewater treatment, reverse osmosis system, air filtration, etc.

[0003] The existing ammonia water automatic backwash device, in the process of use, makes ammonia water solution flow reversely from one end of the filter at a certain pressure by means of reverse flow, washes the filter medium, dissolves the deposits and pollutants in it, and some impurities are connected more closely with the filter screen in the filter during the dissolution process, thereby increasing the cleaning time of ammonia water and reducing the cleaning efficiency. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide an ammonia water automatic backwash device.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] An ammonia water automatic backwash device, comprising an electric three-way valve, a conveying assembly is installed at both ends of the electric three-way valve, a connecting pipe is installed at the other end of the electric three-way valve, a filter cartridge is connected to one end of the connecting pipe, a filter screen is installed in the filter cartridge, a floating assembly is arranged below the filter screen in the filter cartridge, the floating assembly comprises a support plate connected to the filter cartridge, a sliding rod is slidably connected to the support plate, a floating ball is installed at the top end of the sliding rod, and a limit plate is fixed at the bottom end of the sliding rod.

[0007] Preferably, the conveying assembly comprises a conveying pipe connected to the electric three-way valve, and a pressure gauge is installed on the conveying pipe.

[0008] Preferably, a flow regulating valve is connected to one end of the conveying pipe, and a pump is connected to the flow regulating valve through a pipeline.

[0009] Preferably, a water inlet pipe is installed on one side above the filter cartridge, and a drain pipe is installed on one side below the filter cartridge.

[0010] Preferably, a blowdown pipe is installed on the middle of the filter cartridge, and the blowdown pipe is located above the filter screen.

[0011] Preferably, an electromagnetic valve is installed on the water inlet pipe, the drain pipe and the blowdown pipe.

[0012] Preferably, one end of each of the conveying assemblies is provided with a water tank, and the other end of each of the conveying assemblies is provided with a storage tank.

[0013] The beneficial technical effects are that:

[0014] By arranging the floating assembly, when the ammonia water enters the filter cartridge, the floating ball in the floating assembly is driven to ascend along the support plate by the buoyancy, until the top end of the floating ball abuts against the bottom end of the filter screen, and the abutment of the floating ball against the filter screen causes the filter screen to deform, and the deformation of the filter screen can loosen the closely adhered impurities, so that the ammonia water can quickly clean the impurities, reduce the cleaning time, and improve the cleaning efficiency, and the limiting plate can prevent the slide rod from disengaging from the support plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a structural schematic view of a preferred embodiment of an ammonia water automatic backwashing device according to the present application;

[0016] Figure 2 FIG. 2 is a main sectional view of a preferred embodiment of an ammonia water automatic backwashing device according to the present application;

[0017] Figure 3 FIG. 3 is a schematic view of the positional relationship between the filter screen and the floating assembly in a preferred embodiment of an ammonia water automatic backwashing device according to the present application.

[0018] The reference signs are explained as follows:

[0019] 1. Electric three-way valve; 2. Conveying assembly; 201. Conveying pipe; 202. Pressure gauge; 203. Flow regulating valve; 204. Pump; 3. Connecting pipe; 4. Filter cartridge; 5. Filter screen; 6. Floating assembly; 601. Support plate; 602. Slide rod; 603. Floating ball; 604. Limiting plate; 7. Water inlet pipe; 8. Drain pipe; 9. Blowdown pipe; 10. Solenoid valve; 11. Water tank; 12. Storage tank. DETAILED DESCRIPTION

[0020] In order to make the skilled in the art more clear and explicit technical scheme of the present application, the present application is described in further detail below in conjunction with the embodiments and drawings, but the implementation of the present application is not limited thereto.

[0021] As Figures 1-3As shown, the embodiment provides an automatic ammonia backwashing device, including an electric tee valve 1, both ends of the electric tee valve 1 are provided with a conveying assembly 2, the other end of the electric tee valve 1 is provided with a connecting pipe 3, the connecting pipe 3 is used for connecting a filter cartridge 4 and the electric tee valve 1, one end of the connecting pipe 3 is provided with the filter cartridge 4, a filter screen 5 is installed in the filter cartridge 4, the cooling water enters the filter cartridge 4, the impurities in the cooling water are filtered out by the filter screen 5, and the cooling water is recycled, a floating assembly 6 is arranged below the filter screen 5 in the filter cartridge 4, the floating assembly 6 includes a support plate 601 connected with the filter cartridge 4, the support plate 601 can support a sliding rod 602, the sliding rod 602 is slidably connected to the support plate 601, the sliding rod 602 can move along the support plate 601, so as to guide a floating ball 603, the floating ball 603 is installed at the top end of the sliding rod 602, the floating ball 603 can rise under the buoyancy of the ammonia water, a limiting plate 604 is fixed at the bottom end of the sliding rod 602, and the limiting plate 604 can prevent the sliding rod 602 from being separated from the support plate 601.

[0022] As shown in the figure, Figures 1-2 The conveying assembly 2 includes a conveying pipe 201 connected with the electric tee valve 1, a pressure gauge 202 is installed on the conveying pipe 201, so that the ammonia water and the clean water can be conveyed through the conveying pipe 201, and the pressure in the pipeline can be detected through the pressure gauge 202.

[0023] As shown in the figure, Figures 1-2 One end of the conveying pipe 201 is provided with a flow regulating valve 203, one end of the flow regulating valve 203 is connected with a pump 204 through a pipeline, the ammonia water and the clean water can be pumped through the pump 204, and the flow can be regulated through the flow regulating valve 203.

[0024] As shown in the figure, Figures 1-2 One side above the filter cartridge 4 is provided with a water inlet pipe 7, one side below the filter cartridge 4 is provided with a water outlet pipe 8, so that the cooling water can enter the filter cartridge 4 through the water inlet pipe 7, and the filtered cooling water can be discharged through the water outlet pipe 8.

[0025] As shown in the figure, Figures 1-2 The middle of the filter cartridge 4 is provided with a blowdown pipe 9, and the blowdown pipe 9 is located above the filter screen 5, so that the used ammonia water carrying impurities can be discharged through the blowdown pipe 9.

[0026] As shown in the figure, Figures 1-2 The water inlet pipe 7, the water outlet pipe 8 and the blowdown pipe 9 are all provided with solenoid valves 10, so that the opening and closing of the water inlet pipe 7, the water outlet pipe 8 and the blowdown pipe 9 can be controlled through the solenoid valves 10.

[0027] As shown in the figure, Figures 1-2 One end of one set of conveying assemblies 2 is provided with a water tank 11, and one end of the other set of conveying assemblies 2 is provided with a storage tank 12, so that the clean water can be stored in the water tank 11, and the ammonia water can be stored in the storage tank 12.

[0028] The working principle of the device: when the device is used, cooling water enters the filter cartridge 4 through the water inlet pipe 7, and the filtered cooling water is discharged through the drain pipe 8. When backwashing the filter screen 5, close the electromagnetic valve 10 on the water inlet pipe 7 and the drain pipe 8, and open the electromagnetic valve 10 on the drain pipe 9. At this time, adjust the electric three-way valve 1 so that the water delivery assembly 2 on one side is closed, and the water delivery assembly 2 on the other side draws ammonia water in the storage tank 12 and delivers it to the filter cartridge 4 through the connecting pipe 3. When delivered to the filter cartridge 4, the ammonia water rises until it contacts the filter screen 5 to clean it. During the cleaning process, the floating ball 603 in the floating assembly 6 is affected by the buoyancy to drive the slide rod 602 to rise along the support plate 601 until the top end of the floating ball 603 abuts against the bottom end of the filter screen 5. When the floating ball 603 abuts against the filter screen 5, the filter screen 5 will deform, and the deformation of the filter screen 5 can loosen the tightly adhered impurities, so that the ammonia water can quickly clean them, reduce the cleaning time, and improve the cleaning efficiency. The limiting plate 604 can prevent the slide rod 602 from disengaging from the support plate 601. The used ammonia water carrying impurities is discharged through the drain pipe 9, and after cleaning, the water in the water tank 11 is delivered to the filter cartridge 4 through the water delivery assembly 2 on the other side to remove the residues of ammonia water.

[0029] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical solution and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. An automatic ammonia backwashing device, characterized in that: The device includes an electric three-way valve (1), with conveying components (2) installed at both ends of the electric three-way valve (1) and a connecting pipe (3) installed at the other end of the electric three-way valve (1). One end of the connecting pipe (3) is connected to a filter cylinder (4), and a filter screen (5) is installed inside the filter cylinder (4). A floating component (6) is provided inside the filter cylinder (4) below the filter screen (5). The floating component (6) includes a support plate (601) connected to the filter cylinder (4), a slide rod (602) slidably connected to the support plate (601), a float ball (603) installed at the top of the slide rod (602), and a limit plate (604) fixed at the bottom of the slide rod (602).

2. The automatic ammonia backwashing device according to claim 1, characterized in that: The conveying assembly (2) includes a conveying pipe (201) connected to the electric three-way valve (1), and a pressure gauge (202) is installed on the conveying pipe (201).

3. The automatic ammonia backwashing device according to claim 2, characterized in that: One end of the delivery pipe (201) is connected to a flow regulating valve (203), and the other end of the flow regulating valve (203) is connected to a pump (204) through a pipe.

4. The automatic ammonia backwashing device according to claim 1, characterized in that: A water inlet pipe (7) is installed on the upper side of the filter cylinder (4), and a drain pipe (8) is installed on the lower side of the filter cylinder (4).

5. The automatic ammonia backwashing device according to claim 4, characterized in that: A drain pipe (9) is installed in the upper middle part of the filter cylinder (4), and the drain pipe (9) is located above the filter screen (5).

6. The automatic ammonia backwashing device according to claim 5, characterized in that: Solenoid valves (10) are installed on the water inlet pipe (7), the drain pipe (8) and the sewage pipe (9).

7. The automatic ammonia backwashing device according to claim 1, characterized in that: One set of conveying components (2) is equipped with a water tank (11) at one end, and the other set of conveying components (2) is equipped with a storage tank (12) at one end.

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