Chemical filtering device

Abstract

The utility model discloses a chemical filtering device which comprises a cylinder body with two open ends, a water inlet pipe and a blow-off pipe are arranged on the outer wall of the cylinder body, a first end cover and a second end cover are respectively connected to the two ends of the cylinder body through flanges, a water outlet pipe is arranged on the first end cover, and a stainless steel filtering cylinder with two open ends is arranged in the cylinder body. When the stainless steel filter cartridge is cleaned, the water pump is started to supply water to the flushing pipe so as to spray flushing water to the inner wall of the stainless steel filter cartridge through the spray head, then the linear driving mechanism and the gear motor are started, the linear driving mechanism can drive the spray head to move in the length direction of the stainless steel filter cartridge, and the gear motor drives the flushing pipe to rotate; according to the filter device, all the nozzles rotate in the stainless steel filter cylinder, all the filter holes in the stainless steel filter cylinder are flushed, the blocked filter holes are effectively dredged, the cleaning effect is good, no flushing dead angle exists, and the maintenance period of the filter device can be effectively prolonged.

Description

Technical Field

[0001] The utility model relates to a filtering device, in particular to a chemical filtering device. Background Art

[0002] In the chemical production process, chemical filters are needed to filter the chemicals used as raw materials or the generated chemicals to remove solid impurities and sediments in the liquid chemicals.

[0003] Most of the chemical filters currently used have a backwashing function to wash away the solid particles adhering to the filter holes, thereby ensuring the filtering effect of the filter and extending the maintenance cycle of the filter. However, the backwashing nozzles and the filter screens of most backwashing filters are fixed to each other, resulting in a large number of dead corners for flushing, and the backwashing effect is poor, which needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a chemical filtering device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A chemical filtering device comprises a cylinder with openings at both ends, the outer wall of the cylinder is provided with a water inlet pipe and a sewage pipe, the two ends of the cylinder are flange-connected with a first end cover and a second end cover respectively, the first end cover is provided with a water outlet pipe, a stainless steel filter cartridge with openings at both ends is provided in the cylinder, the outer walls of the first end cover and the second end cover located in the cylinder are provided with slots, the two ends of the stainless steel filter cartridge are located in the corresponding slots, and one end of the stainless steel filter cartridge is connected with the water outlet pipe, a flushing pipe is movably sealed and penetrated on the second end cover, a plurality of nozzles are installed after one end of the flushing pipe extends out of the stainless steel filter cartridge, a rotating joint is installed at the other end of the flushing pipe, the outer wall of the second end cover is connected with a mounting frame through a linear drive mechanism, a reduction motor for driving the flushing pipe to rotate is installed on the mounting frame, and the flushing pipe is rotatably connected to the mounting frame through a bearing seat.

[0007] As a further solution of the utility model: multiple first sealing rings are embedded in the slots, the inner walls of the first sealing rings are in contact with the outer wall of the stainless steel filter cartridge, a through hole for inserting a flushing pipe is opened at the center of the end face of the second end cover, a second sealing ring is embedded in the through hole, and the inner wall of the second sealing ring is in contact with the outer wall of the flushing pipe.

[0008] As a further solution of the utility model: the output shaft of the reduction motor and the outer wall of the flushing pipe are both fixedly sleeved with pulleys, and the two pulleys are connected by synchronous belt transmission.

[0009] As a further solution of the utility model: the linear drive mechanism includes a frame fixedly connected to the second end cover, a screw is rotatably installed in the frame, one end of the screw is rotatably connected to the outer wall of the second end cover, a first motor is fixedly connected to the outer wall of the frame, an output shaft of the first motor is fixedly connected to the other end of the frame, a wire block is cooperatively sleeved on the outer wall of the screw, and the wire block is fixedly connected to the mounting frame.

[0010] As a further solution of the utility model: the inner walls on both sides of the frame are fixedly connected with guide rails, the outer walls on both sides of the wire block are provided with sliding grooves adapted to the guide rails, and the guide rails pass through the corresponding sliding grooves.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the utility model cleans the stainless steel filter cartridge, the water pump is started to supply water to the flushing pipe, so that the flushing water is sprayed toward the inner wall of the stainless steel filter cartridge by the nozzle, and then the linear drive mechanism and the reduction motor are started. The linear drive mechanism can drive the nozzle to move along the length direction of the stainless steel filter cartridge, and the reduction motor drives the flushing pipe to rotate, so that each nozzle rotates in the stainless steel filter cartridge, thereby flushing each filter hole on the stainless steel filter cartridge, so as to effectively dredge the blocked filter holes, the cleaning effect is good, and there is no flushing dead angle, which can effectively extend the maintenance period of the filter device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure is a schematic diagram of the structure of a chemical filtering device.

[0014] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0015] Figure 3 The figure is a schematic diagram of the structure of a linear drive mechanism in a chemical filtering device.

[0016] Among them, the cylinder 1, the water inlet pipe 2, the sewage pipe 3, the first end cover 4, the water outlet pipe 5, the second end cover 6, the slot 7, the first sealing ring 8, the flushing pipe 9, the second sealing ring 10, the nozzle 11, the rotary joint 12, the frame 13, the screw 14, the first motor 15, the wire block 16, the mounting frame 17, the reduction motor 18, the bearing seat 19, the pulley 20, the guide rail 21, and the stainless steel filter cartridge 22. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 to 3 In an embodiment of the utility model, a chemical filtering device comprises a cylinder 1 with openings at both ends, an outer wall of the cylinder 1 is provided with a water inlet pipe 2 and a sewage discharge pipe 3, two ends of the cylinder 1 are respectively flange-connected with a first end cover 4 and a second end cover 6, the first end cover 4 is provided with a water outlet pipe 5, a stainless steel filter cartridge 22 with openings at both ends is provided in the cylinder 1, the outer walls of the first end cover 4 and the second end cover 6 located in the cylinder 1 are both provided with slots 7, the two ends of the stainless steel filter cartridge 22 are located in the corresponding slots 7, and one end of the stainless steel filter cartridge 22 is provided with a slot 7. The second end cover 6 is connected with the water outlet pipe 5, and a flushing pipe 9 is movably sealed and penetrated on the second end cover 6. One end of the flushing pipe 9 extends out of the stainless steel filter cartridge 22 and is installed with a plurality of nozzles 11. A rotary joint 12 is installed on the other end of the flushing pipe 9. The water inlet end of the rotary joint 12 is connected to the water pump through a hose. The outer wall of the second end cover 6 is connected with a mounting frame 17 through a linear drive mechanism, and a reduction motor 18 for driving the flushing pipe 9 to rotate is installed on the mounting frame 17. The flushing pipe 9 is rotatably connected to the mounting frame 17 through a bearing seat 19.

[0019] The utility model adopts the above scheme. When in use, chemicals enter the cylinder 1 through the water inlet pipe 2, are filtered by the stainless steel filter cartridge 22, and are discharged from the water outlet pipe 5. When the stainless steel filter cartridge 22 needs to be cleaned, the valves corresponding to the water inlet pipe 2 and the water outlet pipe 5 are closed, and then the valve connected to the sewage pipe 3 is opened to discharge the chemicals remaining in the cylinder 1. Only by starting the water pump to supply water to the flushing pipe 9, the flushing water is sprayed onto the inner wall of the stainless steel filter cartridge 22 by the nozzle 11, and then the linear drive mechanism and the reduction motor 18 are started. The linear drive mechanism can drive the nozzle 11 to move along the length direction of the stainless steel filter cartridge 22, and the reduction motor 18 drives the flushing pipe 9 to rotate, so that each nozzle rotates in the stainless steel filter cartridge 22, so as to flush each filter hole on the stainless steel filter cartridge 22, so as to effectively dredge the blocked filter holes, with good cleaning effect and no flushing dead angle, which can effectively extend the maintenance cycle of the filtering device.

[0020] Specific combination Figure 1In one embodiment of the utility model, a plurality of first sealing rings 8 are embedded in the slots 7, and the inner walls of the first sealing rings 8 are in contact with the outer wall of the stainless steel filter cartridge 22. A through hole for passing a flushing pipe 9 is provided at the center of the end face of the second end cover 6, and a second sealing ring 10 is embedded in the through hole, and the inner wall of the second sealing ring 10 is in contact with the outer wall of the flushing pipe 9.

[0021] By setting the first sealing ring 8, the two ends of the stainless steel filter cartridge 22 can be sealed with the first end cover 4 and the second end cover 6, thereby preventing chemicals from entering the stainless steel filter cartridge 22 without passing through the filter holes, thereby ensuring the filtering effect of the chemicals. By setting the second sealing ring 10, the sealing between the second end cover 6 and the flushing pipe 9 can be ensured, thereby preventing chemicals from leaking from the perforations.

[0022] Specific combination Figure 2 In one embodiment of the utility model, the output shaft of the reduction motor 18 and the outer wall of the flushing pipe 9 are fixedly sleeved with a pulley 20, and the two pulleys 20 are connected through a synchronous belt transmission. When the reduction motor 18 is started, the flushing pipe 9 can be driven to rotate by utilizing the cooperation of the two pulleys 20 and the synchronous belt.

[0023] Specific combination Figure 1 and Figure 3 In one embodiment of the utility model, the linear drive mechanism includes a frame 13 fixedly connected to the second end cover 6, a screw 14 is rotatably installed in the frame 13, one end of the screw 14 is rotatably connected to the outer wall of the second end cover 6, a first motor 15 is fixedly connected to the outer wall of the frame 13, an output shaft of the first motor 15 is fixedly connected to the other end of the frame 13, a wire block 16 is cooperatively sleeved on the outer wall of the screw 14, a threaded hole matching the screw 14 is opened on the wire block 16, and the wire block 16 is fixedly connected to the mounting frame 17.

[0024] Furthermore, guide rails 21 are fixedly connected to the inner walls on both sides of the frame 13, and slide grooves matching the guide rails 21 are opened on the outer walls on both sides of the wire block 16, and the guide rails 21 pass through the corresponding slide grooves.

[0025] Start the first motor 15 to drive the screw 14 to rotate, and use the threaded cooperation between the screw 14 and the wire block 16 to drive the test block 16 to move along the screw 14, so as to drive the frame 13 and the flushing pipe 9 to move. Through the cooperation of the guide rail 21 and the slide groove, the wire block 16 can be guided in the frame 13, thereby improving the stability of the movement of the wire block 16 and the mounting frame 17.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A chemical filtering device, characterized in that: The invention comprises a cylinder (1) with openings at both ends, the outer wall of the cylinder (1) being provided with a water inlet pipe (2) and a sewage discharge pipe (3), the two ends of the cylinder (1) being respectively flange-connected with a first end cover (4) and a second end cover (6), the first end cover (4) being provided with a water outlet pipe (5), a stainless steel filter cartridge (22) with openings at both ends being provided in the cylinder (1), the outer walls of the first end cover (4) and the second end cover (6) being located in the cylinder (1) being provided with slots (7), the two ends of the stainless steel filter cartridge (22) being located in the corresponding slots (7), and the stainless steel filter cartridge (22) being provided with a filter element (5). One end is connected to the water outlet pipe (5); a flushing pipe (9) is movably sealed and penetrated on the second end cover (6); one end of the flushing pipe (9) extends out of the stainless steel filter cartridge (22) and is installed with a plurality of nozzles (11); the other end of the flushing pipe (9) is installed with a rotary joint (12); the outer wall of the second end cover (6) is connected to a mounting frame (17) through a linear drive mechanism; a reduction motor (18) for driving the flushing pipe (9) to rotate is installed on the mounting frame (17); the flushing pipe (9) is rotatably connected to the mounting frame (17) through a bearing seat (19).

2. A chemical filtering device according to claim 1, characterized in that: A plurality of first sealing rings (8) are embedded in the slots (7), and the inner walls of the first sealing rings (8) are in contact with the outer wall of the stainless steel filter cartridge (22). A through hole for inserting a flushing pipe (9) is provided at the center of the end face of the second end cover (6), and a second sealing ring (10) is embedded in the through hole, and the inner wall of the second sealing ring (10) is in contact with the outer wall of the flushing pipe (9).

3. A chemical filtering device according to claim 1, characterized in that: The output shaft of the reduction motor (18) and the outer wall of the flushing pipe (9) are both fixedly sleeved with pulleys (20), and the two pulleys (20) are connected through a synchronous belt transmission.

4. A chemical filtering device according to claim 1, characterized in that: The linear drive mechanism comprises a frame (13) fixedly connected to the second end cover (6), a screw rod (14) is rotatably mounted in the frame (13), one end of the screw rod (14) is rotatably connected to the outer wall of the second end cover (6), a first motor (15) is fixedly connected to the outer wall of the frame (13), an output shaft of the first motor (15) is fixedly connected to the other end of the frame (13), a wire block (16) is fitted and sleeved on the outer wall of the screw rod (14), and the wire block (16) is fixedly connected to a mounting frame (17).

5. A chemical filtering device according to claim 4, characterized in that: The inner walls on both sides of the frame (13) are fixedly connected with guide rails (21), and the outer walls on both sides of the wire block (16) are provided with sliding grooves adapted to the guide rails (21), and the guide rails (21) pass through the corresponding sliding grooves.

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