Cleaning control system for filter screen of high-pressure water filter tank
By designing a high-pressure water can filter screen cleaning control system including PLC1200 controller and multiple sensors, the motor overheating problem caused by limit failure during the can filter screen cleaning process is solved, and a more stable and efficient filtration effect is achieved.
Patent Information
- Application Number
- CN202421887431.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-08-06
AI Technical Summary
In the high-pressure water phosphorus removal system, limit failure is prone to occur during the cleaning of the filter screen of the filter can, resulting in overheating and damage to the motor operation, affecting the cleaning of the filter screen and the filtration effect of the phosphorus removal water, and the treatment time is long.
A high-pressure water filter can filter mesh cleaning control system is designed, including upper limit proximity switch, lower limit proximity switch, drive motor, differential pressure switch, proximity switch, screw, cleaning brush, water outlet pipe, water inlet pipe, sewage pipe, filter can body, controller, coupling shaft, rotary shaft and bracket. Through the PLC1200 controller and control panel, flexible and stable control of the cleaning device is achieved, ensuring that the equipment stops operating when it fails and avoids the failure to expand.
This system makes the filter screen cleaning of the high-pressure water filter canister more stable, ensures the filtration effect of phosphorus removal water, and makes operation more convenient, avoids overheating and damage to the motor and shortens the processing time.
Smart Images
Figure CN222765793U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a high-pressure water filter tank filter screen cleaning control system, belonging to the technical field of steel rolling equipment in the metallurgical industry. Background Art
[0002] High-pressure water dephosphorization is one of the important processes in steel mill production. The filter tank is an important pre-installation equipment to ensure the cleanliness of high-pressure water and plays an important role. It is mainly responsible for filtering the water before entering the high-pressure water dephosphorization system to reduce impurities and prevent nozzle blockage, which causes incomplete dephosphorization. During the filter cleaning process, limit failure is prone to occur, resulting in overheating and damage to the motor, affecting the cleaning of the filter and the filtering effect of the dephosphorization water, and the processing time is relatively long. Utility Model Content
[0003] The utility model aims to provide a high-pressure water filter tank filter screen cleaning control system, which has stable operation, ensures the cleaning of the filter screen and the filtering effect of dephosphorization water, and solves the problems existing in the background technology.
[0004] The technical solution of the utility model is:
[0005] A high-pressure water filter tank filter screen cleaning control system comprises an upper limit proximity switch, an upper limit proximity switch, a lower limit proximity switch, a lower limit proximity switch, a drive motor, a differential pressure switch, a proximity switch stopper, a screw, a cleaning brush, a water outlet pipe, a water inlet pipe, a sewage pipe, a filter tank body, a water outlet pressure-taking pipeline, a water inlet pressure-taking pipeline, a filter screen, a controller, a connecting shaft, a rotating shaft and a bracket. The water inlet pipe is connected to the bottom of the filter tank body, the sewage pipe is connected to the lower part of the filter tank body, the water outlet pipe is connected to the upper part of the filter tank body, and the water outlet pipe and the water inlet pipe are connected through the water outlet pressure-taking pipeline, the differential pressure switch and the water inlet pressure-taking pipeline The bracket is fixed on the filter tank body, the drive motor is fixed on the bracket, the drive motor is connected to the screw drive, the screw is connected to the rotating shaft through a connecting shaft, and the rotating shaft is provided with a cleaning brush that matches the filter screen inside the filter tank body; the proximity switch stop iron is fixed on the screw, and the bracket is provided with an upper limit proximity switch, an upper limit proximity switch, a lower limit proximity switch and a lower limit proximity switch that match the proximity switch stop iron from top to bottom, and the upper limit proximity switch, the upper limit proximity switch, the lower limit proximity switch and the lower limit proximity switch are control-connected to the drive motor through a controller.
[0006] Furthermore, the controller adopts a Siemens PLC1200 controller with a touch screen.
[0007] Furthermore, the controller is arranged in an operation control box.
[0008] Furthermore, a slot cooperating with the filter screen is provided in the filter tank.
[0009] Furthermore, the sewage pipe is provided with an electric sewage valve.
[0010] The beneficial effects of the utility model are as follows: the high-pressure water filter tank filter screen cleaning control system works more stably, can ensure the cleaning of the filter screen and the filtering effect of dephosphorization water, and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of the utility model;
[0012] Figure 2 This is a schematic diagram of the operation control box of the utility model;
[0013] In the figure: operation control box 1, control panel 2, upper limit proximity switch 3, upper limit proximity switch 4, lower limit proximity switch 5, lower limit proximity switch 6, drive motor 7, differential pressure switch 8, electric sewage valve 9, proximity switch stop 10, screw 11, cleaning brush 12, water outlet pipe 13, water inlet pipe 14, sewage pipe 15, filter tank body 16, water outlet pressure pipeline 17, water inlet pressure pipeline 18, filter screen 19, controller 20, connecting shaft 21, rotating shaft 22, card slot 23, bracket 24. DETAILED DESCRIPTION
[0014] The present invention will be further described below by way of examples with reference to the accompanying drawings.
[0015] See attached Figure 1 , 2A high-pressure water filter tank filter screen cleaning control system comprises an upper limit proximity switch 3, an upper limit proximity switch 4, a lower limit proximity switch 5, a lower limit proximity switch 6, a drive motor 7, a differential pressure switch 8, a proximity switch stop iron 10, a screw 11, a cleaning brush 12, a water outlet pipe 13, a water inlet pipe 14, a sewage pipe 15, a filter tank body 16, a water outlet pressure taking pipeline 17, a water inlet pressure taking pipeline 18, a filter screen 19, a controller 20, a connecting shaft 21, a rotating shaft 22 and a bracket 24. The water inlet pipe 14 is connected to the bottom of the filter tank body 16, the sewage pipe 15 is connected to the lower part of the filter tank body 16, the water outlet pipe 13 is connected to the upper part of the filter tank body 16, and the water outlet pipe 13 and the water inlet pipe 14 are connected through the water outlet pressure taking pipeline 17, the differential pressure switch 8 and the inlet The water pressure taking pipeline 18 is connected; the bracket 24 is fixed on the filter tank body 16, the drive motor 7 is fixed on the bracket 24, the drive motor 7 is connected to the screw 11, the screw 11 is connected to the rotating shaft 22 through the connecting shaft 21, and the rotating shaft 22 is provided with a cleaning brush 12 that cooperates with the filter screen 19 inside the filter tank body 16; the proximity switch stop iron 10 is fixed on the screw 11, and the bracket 24 is provided with an upper limit proximity switch 3, an upper limit proximity switch 4, a lower limit proximity switch 5 and a lower limit proximity switch 6 that cooperate with the proximity switch stop iron 10 from top to bottom, and the upper limit proximity switch 3, the upper limit proximity switch 4, the lower limit proximity switch 5 and the lower limit proximity switch 6 are controlled and connected with the drive motor 7 through the controller 20.
[0016] In this example, refer to the attached Figure 1 The controller 20 adopts a Siemens PLC1200 controller with a touch screen, and the controller 20 is arranged in the operation control box 1. The operation control box 1 is also equipped with a corresponding circuit and a control panel 2, and the control panel 2 is used for system control, status display, alarm display and other functions.
[0017] The driving motor 7 is meshed with the screw 11 through gears, driving the screw 11 to reciprocate up and down, and the driving screw 11 drives the rotating shaft 22 and the cleaning brush 12 on the rotating shaft 22 through the connecting shaft 21 to continuously clean the filter 19 inside the filter tank 16. The rotating shaft 22 and the cleaning brush 12 on the rotating shaft 22 constitute a cleaning device for the filter 19.
[0018] The upper limit proximity switch 3, the upper limit proximity switch 4, the lower limit proximity switch 5 and the lower limit proximity switch 6 are used for positioning the upper and lower cleaning positions of the cleaning device. When the upper limit proximity switch 4 or the lower limit proximity switch 6 is damaged, the upper limit proximity switch 3 can be temporarily used to replace the upper limit proximity switch 4, and the lower limit proximity switch 6 can be used to replace the lower limit proximity switch 5 to ensure the normal operation of the system.
[0019] An electric drain valve 9 is installed on the drain pipe 15 to discharge sewage.
[0020] The differential pressure switch 8 is used to respond to the inlet and outlet pressure difference and reflect the status of the filter tank.
[0021] The utility model realizes flexible and stable control of the high-pressure water dephosphorization filter tank through the PLC1200 controller, control panel, proximity switch and pressure difference switch, which makes it convenient for operators to observe the operation status and alarm status of the on-site equipment. At the same time, the added limit position proximity switch also ensures that the motor stops when the equipment fails, avoiding the expansion of the fault and ensuring the stable and efficient operation of the high-pressure water dephosphorization filter tank.
Claims
1. A high-pressure water filter tank filter screen cleaning control system, characterized in that: The invention comprises an upper limit proximity switch (3), an upper limit proximity switch (4), a lower limit proximity switch (5), a lower limit proximity switch (6), a drive motor (7), a differential pressure switch (8), a proximity switch stop iron (10), a screw (11), a cleaning brush (12), a water outlet pipe (13), a water inlet pipe (14), a sewage pipe (15), a filter tank body (16), a water outlet pressure-taking pipeline (17), a water inlet pressure-taking pipeline (18), a filter screen (19), a controller (20), a connecting shaft (21), a rotating shaft (22) and a bracket (24), wherein the water inlet pipe (14) is connected to the bottom of the filter tank body (16), the sewage pipe (15) is connected to the lower part of the filter tank body (16), the water outlet pipe (13) is connected to the upper part of the filter tank body (16), and a water outlet pressure-taking pipeline (17), a differential pressure switch (8) and a water inlet pressure-taking pipeline (18) are connected between the water outlet pipe (13) and the water inlet pipe (14). 8); a bracket (24) is fixed on the filter tank body (16); a drive motor (7) is fixed on the bracket (24); the drive motor (7) is connected to the screw rod (11) by driving; the screw rod (11) is connected to the rotating shaft (22) through a connecting shaft (21); a cleaning brush (12) is provided on the rotating shaft (22) and matches with the filter screen (19) inside the filter tank body (16); a proximity switch stopper (10) is fixed on the screw rod (11); an upper limit proximity switch (3), an upper limit proximity switch (4), a lower limit proximity switch (5) and a lower limit proximity switch (6) are provided on the bracket (24) from top to bottom and match with the proximity switch stopper (10); the upper limit proximity switch (3), the upper limit proximity switch (4), the lower limit proximity switch (5) and the lower limit proximity switch (6) are connected to the drive motor (7) by control through a controller (20).
2. A high-pressure water filter tank filter screen cleaning control system according to claim 1, characterized in that: The controller (20) adopts a Siemens PLC1200 controller with a touch screen.
3. A high-pressure water filter tank filter screen cleaning control system according to claim 2, characterized in that: The controller (20) is arranged in the operation control box (1).
4. A high-pressure water filter tank filter screen cleaning control system according to claim 1, characterized in that: The filter tank (16) is provided with a slot (23) that matches the upper filter screen (19).
5. A high-pressure water filter tank filter screen cleaning control system according to claim 1, characterized in that: The sewage pipe (15) is provided with an electric sewage valve (9).