A pre-treatment device and pre-treatment method for water quality online analyzer

Abstract

The present invention belongs to the technical field of water quality analysis, and discloses a pre-treatment device and a pre-treatment method for a water quality online analyzer, wherein the device comprises a mounting frame, a control box is arranged on one side of the mounting frame, a water tank is arranged at the bottom of the control box, a first filter tank is arranged on one side of the control box and the water tank, a second filter tank is arranged on one side of the first filter tank, a third filter tank is arranged on one side of the second filter tank, a conveying structure is arranged on the top and one side of the first filter tank, a filter plate is arranged on the top of the first filter tank, and a rotating shaft is fixedly installed on one side of the filter plate. By turning over the filter plate, the seaweed and large particles of impurities on the filter plate are washed with water, and collected by a collection block, so that the filter plate does not need to be taken out and replaced, reducing the number of replacement and cleaning times, and the collection block can be replaced and cleaned while the filter plate is filtering, which is convenient for improving the efficiency and effect of water quality treatment.

Description

Technical Field

[0001] The invention belongs to the technical field of water quality analysis, and in particular relates to a pre-processing device and a pre-processing method for an online water quality analyzer. Background Art

[0002] Online water quality analyzer is a water quality monitoring tool that can automatically monitor various water quality parameters in real time. It can meet the needs of various industries such as tap water supply, medicine, pharmaceuticals, sewage treatment, municipal administration, electricity and energy, food processing, plastics, automobiles, semiconductors, tires, metallurgy, material processing, mining, printing and oil and gas. Before the water quality analysis experiment, it is necessary to use a treatment device to pre-treat the water in order to avoid uncontrollable factors in the analysis experiment.

[0003] In the prior art, the water to be treated needs to be filtered through a filter plate and then further filtered through a filter. When the water to be treated contains other large particles of impurities such as algae, the residues remain on the filter plate, causing the filter plate to be blocked, making it inconvenient to treat other large particles of impurities such as algae. Therefore, the filter plate needs to be frequently replaced and cleaned, which is not convenient for improving the efficiency of water quality treatment and affects the effect of water quality treatment. Summary of the invention

[0004] The present invention aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] A pre-treatment device for a water quality online analyzer comprises a mounting frame, a control box is arranged on one side of the mounting frame, a water tank is arranged at the bottom of the control box, a first filter tank is arranged on one side of the control box and the water tank, a second filter tank is arranged on one side of the first filter tank, a third filter tank is arranged on one side of the second filter tank, a conveying structure is arranged on the top and one side of the first filter tank, the second filter tank and the third filter tank, a filter plate is arranged on the top of the first filter tank, a rotating shaft is fixedly installed on one side of the filter plate, and a rotating rod is fixedly installed on the other side, one end of the rotating shaft passes through the first filter tank and is transmission-connected to a first motor, and one end of the rotating rod is connected to the first filter tank. The inner wall of the filter tank is rotatably connected, a mounting plate is provided on one side of the first filter tank, a collecting block is provided on the top of the mounting plate, a water leakage hole is provided at the bottom of the collecting block, two fixing plates are fixedly installed on both sides of the mounting plate, a second motor is fixedly installed on one side of the fixing plate located on the left side of the mounting plate, a threaded rod is transmission-connected to the output end of the second motor, one end of the threaded rod is threadedly connected to a threaded block, one end of the threaded rod is rotatably connected to the fixing plate on the right side of the mounting plate, sliding grooves are provided on both sides of the mounting plate, the upper and lower sides of the threaded block are slidably connected to the sliding grooves, a limiting rod is provided at one end of the threaded block, limiting grooves are provided on both sides of the collecting block, and the limiting rod is plugged into the limiting grooves.

[0006] As a preferred embodiment of the above technical solution, the conveying structure includes a water inlet pipe, which is fixedly installed on the top of the first filter tank, the second filter tank and the third filter tank respectively. A suction pump is arranged on the top of the water inlet pipe. The water inlet pipes are connected by a first connecting pipe. A second connecting pipe is arranged at the bottom of the first connecting pipe. The second connecting pipe is respectively connected to the first filter tank and the second filter tank. A conveying pipe is fixedly installed on one side of the water tank, one end of the conveying pipe is connected to the water inlet pipe at the top of the first filter tank, and a water outlet pipe is fixedly installed on the bottom end of one side of the third filter tank.

[0007] As a preferred embodiment of the above technical solution, a quartz sand filter layer is arranged inside the first filter tank, the quartz sand filter layer is located at the bottom of the filter plate, an activated carbon filter layer is arranged inside the second filter tank, a resin softening layer is arranged inside the third filter tank, the bottoms of the first filter tank, the second filter tank and the third filter tank are all installed on the mounting frame, and the first connecting pipe and one end of the water outlet pipe are provided with solenoid valves.

[0008] As a preferred embodiment of the above technical solution, one side of the mounting plate is fixedly installed on the outer surface of the first filter tank, and the first filter tank is provided with an arc-shaped opening on the side close to the mounting plate, a baffle is arranged inside the arc-shaped opening, a movable groove is provided at the top of the arc-shaped opening and on the inner wall of the first filter tank, a first electric push rod is fixedly installed inside the movable groove, and the top of the baffle is fixedly installed on the first electric push rod.

[0009] As a preferred embodiment of the above technical solution, the two fixed plates, the second motor, the threaded rod and the threaded block are symmetrically arranged around the center of the mounting plate. One end of the threaded block extends through the slide groove to the interior of the mounting plate. A groove is provided on one side of the threaded block. A connecting spring is fixedly installed inside the groove. One end of the connecting spring is fixedly connected to the limiting rod.

[0010] As a preferred embodiment of the above technical solution, installation grooves are provided on both sides of the bottom of the filter plate, a second electric push rod is fixedly installed inside the installation groove, an insertion rod is fixedly installed at the bottom of the second electric push rod, a round convex is fixedly connected to the bottom of the insertion rod, a first slot is provided on the inner wall of the first filter tank away from the arc-shaped mouth, and a second slot is provided on one side of the baffle.

[0011] As a preferred embodiment of the above technical solution, movable openings are opened on the outer walls on both sides of the collecting block, insertion holes are opened on both sides of the top of the collecting block, fixed grooves are opened at the bottom of the insertion holes and on the inner walls on both sides of the collecting block, and a limiting structure is arranged inside the fixed grooves.

[0012] As a preferred embodiment of the above technical solution, the limiting structure includes a moving block, one side of the moving block is fixedly connected to a fixed rod, the bottom of the moving block is fixedly connected to a movable block, the bottom of the movable block is movably connected to the inner wall of the bottom of the fixed groove, one side of the movable block is fixedly installed with a compression spring, and one end of the compression spring is fixedly installed with the inner wall of the fixed groove.

[0013] As a preferred embodiment of the above technical solution, the side of the moving block close to the compression spring is an inclined surface, the fixing rod is located inside the movable opening, and the moving block is located at the bottom of the socket.

[0014] The present invention also provides a water quality online analyzer pre-pretreatment method, comprising the following steps:

[0015] Step 1: Start the control box to transport the water to be treated inside the water tank through the delivery pipe, then start the suction pump on the top of the first filter tank, transport the water to be treated through the first connecting pipe to the inside of the water inlet pipe on the top of the first filter tank, and move from the water inlet pipe to the inside of the first filter tank. When the water to be tested enters the first filter tank, it is first filtered through the filter plate, and then filtered by the quartz sand filter layer. After filtering, it moves from the second connecting pipe connected to the first filter tank to the inside of the second filter tank, and starts the suction pump on the top of the second filter tank to transport the filtered water to the inner wall of the second filter tank, and filters it again through the activated carbon filter layer. After the filtration is completed, it moves from the second connecting pipe on one side of the second filter tank to the inside of the third filter tank, and starts the suction pump on the top of the third filter tank to allow the water to enter the inside of the third filter tank, and filter through the resin softening layer. After the filtration is completed, it can be discharged from the outlet pipe;

[0016] Step 2: After the water in the water tank is filtered through the filter plate, when the seaweed and other large particles of impurities in the water remain on the filter plate, the baffle is driven by the first electric push rod to move into the moving groove to expose the arc-shaped opening, and then the second motor is started to drive the threaded rod to rotate, so that the upper and lower sides of the threaded block move along the slide groove and move along the threaded rod at the same time, and the threaded block drives the limiting rod to move, so that the limiting rod drives the collecting block to move through the arc-shaped opening into the first filter tank. When the threaded block moves to the end of the slide groove away from the first motor, the collecting block moves to the inside of the second filter tank;

[0017] Step 3: Make the installation grooves on both sides of the bottom of the filter plate correspond to the sockets on the top of the collection block, start the second electric push rod inside the installation groove to drive the insertion rod to move downward, the insertion rod drives the round protrusion to move through the socket to the inside of the fixed groove, so that the round protrusion moves along the inclined surface of the moving block, the moving block drives the movable block to move toward the movable opening, the compression spring is stretched, and the moving block drives the insertion rod to move toward the outside of the movable opening, so that the fixed rod on one side of the collection block is plugged into the first slot, and the fixed rod on the other side of the collection block is plugged into the second slot, the collection block is fixed inside the first filter tank, and then the first electric push rod is started to drive the baffle to move downward, so that the baffle moves to the arc-shaped opening to block the arc-shaped opening;

[0018] Step 4: Restart the first motor to drive the rotating shaft to rotate, so that the filter plate drives the rotating rod to rotate along the inner wall of the first filter tank, so that the filter plate flips 180 degrees, and the side with residual impurities is rotated to the top of the collecting block, and flushing water is added to the inside of the water tank, and transported to the inside of the first filter tank through the first connecting pipe and the water inlet pipe, and the filter plate is flushed, so that the seaweed and large particles of impurities on the filter plate fall into the collecting block for collection. After flushing, move the collecting block to the top of the mounting plate, and then move the limiting rod to both sides, so that the connecting spring is stretched, and the limiting rod is separated from the limiting groove, and the collecting block can be replaced and cleaned.

[0019] The beneficial effects of the present invention are:

[0020] (1) The present invention can use water to wash the seaweed and large particles of impurities on the filter plate by turning over the filter plate, and collect them through the collection block, so that the filter plate can be easily taken out and replaced, reducing the number of replacement and cleaning times. While the filter plate is filtering, the collection block can be replaced and cleaned, which is convenient for improving the efficiency and effect of water quality treatment;

[0021] (2) The present invention can fix the collecting block moved to the inside of the first filter tank after the filter plate is flipped over, so as to prevent the water from being transported to the mounting block through the filter plate when the filter plate is flushed, causing the mounting block to shake, thereby facilitating the improvement of the stability of the collecting block at the bottom of the filter plate and facilitating the collection of impurities flushed from the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 What is shown is a schematic diagram of the overall structure of the embodiment;

[0023] Figure 2 What is shown is a schematic diagram of the rear side structure of the overall structure of the embodiment;

[0024] Figure 3 Shown is a structural diagram of a first filter tank, a second filter tank, and a third filter tank in an embodiment;

[0025] Figure 4 Shown is a cross-sectional view of a first filter tank of an embodiment;

[0026] Figure 5 Shown is a structural diagram of the mounting plate and the collecting block of the embodiment;

[0027] Figure 6 The embodiment shown is Figure 4 A magnified image of point A;

[0028] Figure 7 The structure diagram of the baffle and the first electric push rod of the embodiment is shown;

[0029] Figure 8 Shown is a cross-sectional view of an embodiment mounting plate;

[0030] Fig. 9 Shown is a structural diagram of a fixing plate, a threaded block, and a limiting rod in an embodiment;

[0031] Fig.10 Shown is a structural diagram of a filter plate of an embodiment;

[0032] Fig.11 Shown is a structural diagram of an embodiment-defined structure.

[0033] In the figure: 1. mounting frame; 2. control box; 3. water tank; 4. first filter tank; 5. second filter tank; 6. third filter tank; 7. filter plate; 8. rotating shaft; 9. rotating rod; 10. first motor; 11. mounting plate; 12. collecting block; 13. fixing plate; 14. second motor; 15. threaded rod; 16. threaded block; 17. limiting rod; 18. water inlet pipe; 19. suction pump; 20. first connecting pipe; 21. second connecting pipe; 22. delivery pipe; 23. water outlet pipe; 24. quartz sand filter layer; 25. baffle; 26. first electric push rod; 27. second electric push rod; 28. plug rod; 29. ​​convex; 30. moving block; 31. fixing rod; 32. movable block; 33. compression spring. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0035] The present invention provides a pre-processing device for a water quality online analyzer, such as Figures 1 to 5As shown, a mounting frame 1 is provided with a control box 2 on one side of the mounting frame 1, a water tank 3 is provided at the bottom of the control box 2, a first filter tank 4 is provided on one side of the control box 2 and the water tank 3, a second filter tank 5 is provided on one side of the first filter tank 4, a third filter tank 6 is provided on one side of the second filter tank 5, a conveying structure is provided on the top and one side of the first filter tank 4, the second filter tank 5 and the third filter tank 6, a filter plate 7 is provided on the top of the first filter tank 4, a rotating shaft 8 is fixedly installed on one side of the filter plate 7, and a rotating rod 9 is fixedly installed on the other side, one end of the rotating shaft 8 passes through the first filter tank 4 and is transmission-connected to a first motor 10, one end of the rotating rod 9 is rotationally connected to the inner wall of the first filter tank 4, and one side of the first filter tank 4 A mounting plate 11 is provided, a collecting block 12 is provided on the top of the mounting plate 11, a water leakage hole is provided at the bottom of the collecting block 12, two fixing plates 13 are fixedly installed on both sides of the mounting plate 11, a second motor 14 is fixedly installed on one side of the fixing plate 13 located on the left side of the mounting plate 11, a threaded rod 15 is transmission-connected to the output end of the second motor 14, a threaded block 16 is threadedly connected to one end of the threaded rod 15, one end of the threaded rod 15 is rotatably connected to the fixing plate 13 on the right side of the mounting plate 11, sliding grooves are provided on both sides of the mounting plate 11, the upper and lower sides of the threaded block 16 are slidably connected to the sliding grooves, a limiting rod 17 is provided at one end of the threaded block 16, limiting grooves are provided on both sides of the collecting block 12, and the limiting rod 17 is plugged into the limiting grooves.

[0036] The water to be treated is added into the water tank 3, and the conveying structure is used to convey the water to be treated in the water tank 3 to the first filter tank 4 through the control box 2. The water to be treated is filtered through the first filter tank 4, and then moved to the second filter tank 5 through the second connecting pipe 21 connected to the first filter tank 4 and the water inlet pipe 18. After the second filter tank 5 is filtered, the water is moved to the third filter tank 6 through the second connecting pipe 21 on one side of the second filter tank 5 and the water inlet pipe 18. After the filtration is completed, it can be discharged from the outlet pipe 23. When seaweed and other large particles of impurities remain on the filter plate 7, the second motor 14 is started to drive the threaded rod 15 to rotate, so that the upper and lower sides of the threaded block 16 move along the slide groove, and at the same time move along the threaded rod 15. The threaded block 16 drives the limiting rod 17 to move, so that the limiting rod 17 drives the collecting block 12 to move toward the first filter tank 4. When the threaded block 16 moves to the end of the slide groove away from the first motor 10, the collecting block 12 Move to the interior of the second filter tank 5, then start the first motor 10 to drive the rotating shaft 8 to rotate, so that the filter plate 7 drives the rotating rod 9 to rotate along the inner wall of the first filter tank 4, so that the filter plate 7 is turned over 180 degrees, and the side with residual impurities is rotated to the top of the collecting block 12, and flushing water is added to the inside of the water tank 3, and is transported to the inside of the first filter tank 4 through the first connecting pipe 20 and the water inlet pipe 18, and the filter plate 7 is flushed, so that the seaweed and large particles of impurities on the filter plate 7 fall into the collecting block 12 for collection, and the water seeps through the leakage hole at the bottom of the collecting block 12, thereby reducing the number of times the filter plate 7 is replaced. After flushing, the threaded rod 15 is driven to rotate by the second motor 14, and the collecting block 12 is moved to its original position under the action of the threaded block 16 and the limiting rod 17, so that when the collecting block 12 is replaced, it will not hinder the first filter tank 4 from filtering the water to be treated, so as to improve the efficiency and effect of water quality treatment.

[0037] Figures 1 to 4 As shown, the conveying structure includes a water inlet pipe 18, which is fixedly installed on the top of the first filter tank 4, the second filter tank 5 and the third filter tank 6 respectively, and a suction pump 19 is arranged on the top of the water inlet pipe 18. The water inlet pipes 18 are connected by a first connecting pipe 20, and a second connecting pipe 21 is arranged at the bottom of the first connecting pipe 20. The second connecting pipe 21 is connected to the first filter tank 4 and the second filter tank 5 respectively, a conveying pipe 22 is fixedly installed on one side of the water tank 3, and one end of the conveying pipe 22 is connected to the water inlet pipe 18 at the top of the first filter tank 4, and a water outlet pipe 23 is fixedly installed on the bottom end of one side of the third filter tank 6.

[0038] By starting the suction pump 19 on the top of the first filter tank 4, the water to be tested in the water tank 3 is transported to the water inlet pipe 18 on the top of the first filter tank 4 through the delivery pipe 22 and the first delivery pipe 22, and then transported to the first filter tank 4 through the water inlet pipe 18 on the top of the first filter tank 4 for filtration. After the first filter tank 4 completes the filtration, the delivery pipe 22 on one side of the first filter tank 4 transports the initially filtered water to the second connecting pipe 21 on one side of the second filter tank 5 and the water inlet pipe 18, and then filters through the second filter tank 5, and then transported to the third filter tank 6 through the second connecting pipe 21 on one side of the second filter tank 5 and the water inlet pipe 18. After the filtration is completed, the third filter tank 6 is discharged from the outlet pipe 23, thereby completing the water treatment.

[0039] Figures 1 to 4 As shown, a quartz sand filter layer 24 is provided inside the first filter tank 4, and the quartz sand filter layer 24 is located at the bottom of the filter plate 7, an activated carbon filter layer is provided inside the second filter tank 5, and a resin softening layer is provided inside the third filter tank 6. The bottoms of the first filter tank 4, the second filter tank 5 and the third filter tank 6 are all installed on the mounting frame 1, and the first connecting pipe 20 and one end of the water outlet pipe 23 are both provided with solenoid valves.

[0040] After filtering out large particles of impurities through the filter plate 7 inside the first filter tank 4, the quartz filter layer is used to filter out the mud and sand in the water, the activated carbon filter layer inside the second filter tank 5 is used to remove color and taste, and the resin softening layer inside the third filter tank 6 is used to remove calcium and magnesium ions and scale in the water, thereby further improving the water filtration effect and facilitating improving the effect of water quality detection. The first filter tank 4, the second filter tank 5 and the third filter tank 6 are conveniently installed through the mounting frame 1, and the water to be treated is conveniently transported and discharged through the solenoid valve.

[0041] Figures 4 to 7 As shown, one side of the mounting plate 11 is fixedly mounted to the outer surface of the first filter tank 4, and an arc-shaped opening is provided on the side of the first filter tank 4 close to the mounting plate 11, a baffle 25 is arranged inside the arc-shaped opening, a movable groove is provided at the top of the arc-shaped opening and located on the inner wall of the first filter tank 4, a first electric push rod 26 is fixedly mounted inside the movable groove, and the top of the baffle 25 is fixedly mounted to the first electric push rod 26.

[0042] By placing the baffle 25 in the arc-shaped opening, the filter tank can be kept sealed to prevent external impurities from entering the first filter tank 4 and affecting the water treatment effect. The first electric push rod 26 is started to drive the baffle 25 to move to the inside of the movable groove to expose the arc-shaped opening, thereby facilitating the collection block 12 to move to the inside of the first filter tank 4, facilitating the collection of impurities after flushing the filter plate 7, and facilitating the cleaning of the filter plate 7 to prevent blockage.

[0043] Figure 5 , Figure 8 , Fig. 9As shown, the two fixed plates 13, the second motor 14, the threaded rod 15 and the threaded block 16 are symmetrically arranged with respect to the center of the mounting plate 11. One end of the threaded block 16 extends through the slide groove to the inside of the mounting plate 11. A groove is provided on one side of the threaded block 16. A connecting spring is fixedly installed inside the groove. One end of the connecting spring is fixedly connected to the limiting rod 17.

[0044] The two symmetrically arranged fixing plates 13, the second motor 14, the threaded rod 15 and the threaded block 16 facilitate the collection block 12 to remain stable when moving. The connecting spring is installed through the groove. When the collection block 12 collects seaweed and large particles of impurities and moves them to the mounting plate 11, the limiting rod 17 is moved away from the collection block 12 to compress the connecting spring. The limiting rod 17 is no longer plugged into the limiting groove, thereby facilitating the removal of the collection block 12 for replacement, so that the collection block 12 can be collected again and the filter plate 7 can be used.

[0045] Figures 5 to 11 As shown, installation grooves are provided on both sides of the bottom of the filter plate 7, a second electric push rod 27 is fixedly installed inside the installation groove, an insertion rod 28 is fixedly installed at the bottom of the second electric push rod 27, a round protrusion 29 is fixedly connected to the bottom of the insertion rod 28, a first slot is provided on the inner wall of the first filter tank 4 away from the arc-shaped mouth, a second slot is provided on one side of the baffle 25, movable openings are provided on the outer walls of both sides of the collecting block 12, jacks are provided on both sides of the top of the collecting block 12, fixed grooves are provided at the bottom of the jacks and on the inner walls of both sides of the collecting block 12, and a limiting structure is provided inside the fixed grooves.

[0046] After the collecting block 12 moves to the inside of the first filter tank 4, the mounting groove at the bottom of the filter plate 7 corresponds to the socket at the top of the collecting block 12, and then the second electric push rod 27 is started to drive the insertion rod 28 and the round protrusion 29 to move downward, so that the insertion rod 28 drives the round protrusion 29 to pass through the socket and move to the inside of the fixed groove, so that the insertion rod 28 and the round protrusion 29 squeeze the limiting structure, so that the limiting structure is respectively connected with the first slot and the second slot through the movable openings on both sides of the collecting block 12, and the collecting block 12 is fixed inside the first filter tank 4, thereby improving the stability of the collecting block 12 and facilitating use.

[0047] Figure 10 to Figure 11 As shown, the limiting structure includes a moving block 30, a fixed rod 31 is fixedly connected to one side of the moving block 30, a movable block 32 is fixedly connected to the bottom of the moving block 30, the bottom of the movable block 32 is movably connected to the bottom inner wall of the fixed groove, a compression spring 33 is fixedly installed on one side of the movable block 32, one end of the compression spring 33 is fixedly installed to the inner wall of the fixed groove, the side of the moving block 30 close to the compression spring 33 is an inclined surface, the fixed rod 31 is located inside the movable opening, and the moving block 30 is located at the bottom of the jack.

[0048] When the insertion rod 28 drives the round protrusion 29 to move into the fixed groove, the round protrusion 29 moves along the inclined surface of the moving block 30, so that the moving block 30 drives the movable block 32 at the bottom to move toward the movable opening, and the compression spring 33 is stretched, so that the moving block 30 drives the fixed rod 31 to move to both sides of the collecting block 12 through the movable opening, and the fixed rod 31 on one side of the collecting block 12 is plugged into the first slot, and the other side is plugged into the second slot, thereby improving the stability of the collecting block 12 in the first filter tank 4, and preventing water from being transported to the mounting block through the filter plate 7 when water washes the filter plate 7, so that the mounting block The filter plate 7 is flushed and the second electric push rod 27 is started to drive the insertion rod 28 and the round protrusion 29 to move upward, so that the round protrusion 29 no longer squeezes the movable block 30, and the elastic action of the compression spring 33 drives the movable block 32 to move the movable block 30 and the fixed rod 31 toward the inside of the fixed groove, so that the fixed rod 31 moves to the inside of the movable port and is no longer plugged into the first slot and the second slot, so that the collecting block 12 is no longer fixed in the first filter tank 4, thereby facilitating the collection block 12 to be moved out of the first filter tank 4 to the mounting plate 11, and the collection block 12 can be replaced.

[0049] The present invention also provides a water quality online analyzer pre-treatment method, comprising the following steps:

[0050] Step 1: Add the water to be treated into the water tank 3, start the suction pump 19 on the top of the first filter tank 4 by starting the control box 2, and transport the water to be treated in the water tank 3 to the inside of the first filter tank 4 through the delivery pipe 22 and the first connecting pipe 20. When the water to be detected enters the first filter tank 4, it is first filtered through the filter plate 7, and then filtered by the quartz sand filter layer 24. After filtering, it moves to the inside of the second filter tank 5 through the second connecting pipe 21 connected to the first filter tank 4, and starts the suction pump 19 on the top of the second filter tank 5 to transport the filtered water to the inner wall of the second filter tank 5, and filters it again through the activated carbon filter layer. After the filtering is completed, it moves to the inside of the third filter tank 6 through the second connecting pipe 21 on one side of the second filter tank 5, and starts the suction pump 19 on the top of the third filter tank 6 to allow the water to enter the inside of the third filter tank 6, and filter through the resin softening layer. After the filtering is completed, it can be discharged from the water outlet pipe 23;

[0051] Step 2: After the water in the water tank 3 is filtered through the filter plate 7, when the seaweed and other large particles of impurities in the water remain on the filter plate 7, the baffle plate 25 is driven by the first electric push rod 26 to move into the movable groove to expose the arc-shaped opening, and then the second motor 14 is started to drive the threaded rod 15 to rotate, so that the upper and lower sides of the threaded block 16 move along the slide groove, and at the same time move along the threaded rod 15, the threaded block 16 drives the limiting rod 17 to move, so that the limiting rod 17 drives the collecting block 12 to move through the arc-shaped opening into the first filter tank 4, and when the threaded block 16 moves to the end of the slide groove away from the first motor 10, the collecting block 12 moves to the inside of the second filter tank 5;

[0052] Step 3: Make the installation grooves on both sides of the bottom of the filter plate 7 correspond to the sockets on the top of the collecting block 12, start the second electric push rod 27 inside the installation groove to drive the plug rod 28 to move downward, and the plug rod 28 drives the round protrusion 29 to move to the inside of the fixed groove through the socket, so that the round protrusion 29 moves along the inclined surface of the moving block 30, and the moving block 30 drives the movable block 32 to move toward the movable opening. The compression spring 33 is stretched, and the moving block 30 drives the plug rod 28 to move outside the movable opening, so that the fixed rod 31 on one side of the collecting block 12 is plugged into the first slot, and the fixed rod 31 on the other side of the collecting block 12 is plugged into the second slot, so that the collecting block 12 is fixed inside the first filter tank 4;

[0053] Step 4: Restart the first motor 10 to drive the rotating shaft 8 to rotate, so that the filter plate 7 drives the rotating rod 9 to rotate along the inner wall of the first filter tank 4, so that the filter plate 7 is flipped 180 degrees, and the side with residual impurities is rotated to the top of the collecting block 12, and flushing water is added to the inside of the water tank 3, and transported to the inside of the first filter tank 4 through the first connecting pipe 20 and the water inlet pipe 18, and the filter plate 7 is flushed, so that the seaweed and large particles of impurities on the filter plate 7 fall into the collecting block 12 for collection. After flushing, move the collecting block 12 to the top of the mounting plate 11, and then move the limiting rod 17 to both sides, so that the connecting spring is stretched, and the limiting rod 17 is separated from the limiting groove, and the collecting block 12 can be replaced and cleaned.

[0054] Working principle: When in use, the water to be treated in the water tank 3 is transported through the delivery pipe 22 through the control box 2, and the suction pump 19 on the top of the first filter tank 4 is started. The water to be treated is transported to the inside of the water inlet pipe 18 on the top of the first filter tank 4 through the first connecting pipe 20, and moves from the water inlet pipe 18 to the inside of the first filter tank 4. When the water to be tested enters the inside of the first filter tank 4, it is first filtered through the filter plate 7, and then filtered by the quartz sand filter layer 24. After filtration, the water is sent to the inside of the second filter tank 5 through the second connecting pipe 21 connected to the first filter tank 4 and the water inlet pipe 18. Move, start the suction pump 19 on the top of the second filter tank 5, transport the filtered water to the inner wall of the second filter tank 5, filter it again through the activated carbon filter layer, and after the filtration is completed, move it to the inside of the third filter tank 6 through the second connecting pipe 21 on one side of the second filter tank 5 and the water inlet pipe 18, start the suction pump 19 on the top of the third filter tank 6 to allow the water to enter the inside of the third filter tank 6, filter it through the resin softening layer, and discharge it from the outlet pipe 23 after the filtration is completed. When the water needs to clean the filter plate 7, the baffle 25 is driven by the first electric push rod 26 to move to the inside of the moving groove, The arc-shaped opening is exposed, and the second motor 14 is started to drive the threaded rod 15 to rotate, so that the upper and lower sides of the threaded block 16 move along the slide groove and move along the threaded rod 15 at the same time. The threaded block 16 drives the limiting rod 17 to move, so that the limiting rod 17 drives the collecting block 12 to move through the arc-shaped opening to the inside of the first filter tank 4. When the threaded block 16 moves to the end of the slide groove away from the first motor 10, the collecting block 12 moves to the inside of the second filter tank 5, and then the first electric push rod 26 is started to drive the baffle 25 to move downward, so that the baffle 25 moves to the arc-shaped opening to block the arc-shaped opening. Flushing water is added to the water tank 3 and transported to the first filter tank 4 through the first connecting pipe 20 and the water inlet pipe 18, and the filter plate 7 is flushed, so that the seaweed and large particles of impurities on the filter plate 7 fall into the collecting block 12 for collection, and the water seeps through the leakage holes at the bottom of the collecting block 12, so that the seaweed and large particles of impurities remain on the collecting block 12. After flushing, the collecting block 12 is moved to the top of the mounting plate 11, and then the limiting rod 17 is moved to both sides, so that the connecting spring is stretched, and the limiting rod 17 is separated from the limiting groove, and the collecting block 12 can be replaced and cleaned.

[0055] When the water in the water tank 3 is filtered through the filter plate 7, the seaweed and other large particles of impurities in the water remain on the filter plate 7, and the baffle plate 25 is driven by the first electric push rod 26 to move into the movable groove to expose the arc-shaped opening, and then the second motor 14 is started to drive the threaded rod 15 to rotate, so that the upper and lower sides of the threaded block 16 move along the slide groove, and at the same time move along the threaded rod 15, the threaded block 16 drives the limiting rod 17 to move, so that the limiting rod 17 drives the collecting block 12 to move through the arc-shaped opening into the first filter tank 4. When the threaded block 16 moves to the end of the slide groove away from the first motor 10, the collecting block 12 moves to the inside of the second filter tank 5, so that the bottom of the filter plate 7 on both sides of the bottom The mounting groove corresponds to the socket on the top of the collecting block 12. The second electric push rod 27 inside the mounting groove is started to drive the insertion rod 28 to move downward. The insertion rod 28 drives the round protrusion 29 to move through the socket to the inside of the fixed groove, so that the round protrusion 29 moves along the inclined surface of the moving block 30. The moving block 30 drives the movable block 32 to move toward the movable opening. The compression spring 33 is stretched, and the moving block 30 drives the insertion rod 28 to move toward the outside of the movable opening, so that the fixed rod 31 on one side of the collecting block 12 is plugged into the first slot, and the fixed rod 31 on the other side of the collecting block 12 is plugged into the second slot, so that the collecting block 12 is fixed inside the first filter tank 4, and then the first electric push rod 26 is started to drive the baffle 25 to move downward.

[0056] The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them.

Claims

1. A pre-treatment device for an online water quality analyzer, characterized in that: The invention comprises a mounting frame (1), a control box (2) being arranged on one side of the mounting frame (1), a water tank (3) being arranged at the bottom of the control box (2), a first filter tank (4) being arranged on one side of the control box (2) and the water tank (3), a second filter tank (5) being arranged on one side of the first filter tank (4), a third filter tank (6) being arranged on one side of the second filter tank (5), a conveying structure being arranged on the top and one side of the first filter tank (4), the second filter tank (5) and the third filter tank (6), a filter plate (7) being arranged on the top of the first filter tank (4), a rotating shaft (8) being fixedly mounted on one side of the filter plate (7), and a rotating rod (9) being fixedly mounted on the other side thereof, one end of the rotating shaft (8) passing through the first filter tank (4) and being transmission-connected to a first motor (10), one end of the rotating rod (9) being rotationally connected to the inner wall of the first filter tank (4), and the first filter tank (4) ) is provided with a mounting plate (11) on one side, a collecting block (12) is provided on the top of the mounting plate (11), a water leakage hole is provided at the bottom of the collecting block (12), two fixing plates (13) are fixedly installed on both sides of the mounting plate (11), a second motor (14) is fixedly installed on one side of the fixing plate (13) located on the left side of the mounting plate (11), a threaded rod (15) is transmission-connected to the output end of the second motor (14), one end of the threaded rod (15) is threadedly connected to a threaded block (16), one end of the threaded rod (15) is rotatably connected to the fixing plate (13) on the right side of the mounting plate (11), both sides of the mounting plate (11) are provided with sliding grooves, the upper and lower sides of the threaded block (16) are slidably connected to the sliding grooves, one end of the threaded block (16) is provided with a limiting rod (17), both sides of the collecting block (12) are provided with limiting grooves, and the limiting rod (17) is plugged into the limiting grooves; The outer walls of both sides of the collecting block (12) are provided with movable openings, the top of the collecting block (12) is provided with insertion holes on both sides, the bottom of the insertion holes and the inner walls of both sides of the collecting block (12) are provided with fixing grooves, and the fixing grooves are provided with limiting structures inside. The limiting structure comprises a moving block (30), one side of the moving block (30) is fixedly connected to a fixing rod (31), the bottom of the moving block (30) is fixedly connected to a movable block (32), the bottom of the movable block (32) is movably connected to the bottom inner wall of the fixing groove, one side of the movable block (32) is fixedly mounted to a compression spring (33), and one end of the compression spring (33) is fixedly mounted to the inner wall of the fixing groove; The side of the moving block (30) close to the compression spring (33) is an inclined surface, the fixing rod (31) is located inside the movable opening, and the moving block (30) is located at the bottom of the insertion hole.

2. The pre-processing device of the water quality online analyzer according to claim 1 is characterized in that: The conveying structure comprises a water inlet pipe (18), the water inlet pipe (18) being fixedly mounted on the top of the first filter tank (4), the second filter tank (5) and the third filter tank (6), a suction pump (19) being arranged on the top of the water inlet pipe (18), the water inlet pipes (18) being connected to each other via a first connecting pipe (20), a second connecting pipe (21) being arranged at the bottom of the first connecting pipe (20), the second connecting pipe (21) being connected to the first filter tank (4) and the second filter tank (5), a conveying pipe (22) being fixedly mounted on one side of the water tank (3), one end of the conveying pipe (22) being connected to the water inlet pipe (18) at the top of the first filter tank (4), and a water outlet pipe (23) being fixedly mounted on the bottom of one side of the third filter tank (6).

3. The pre-treatment device of the water quality online analyzer according to claim 2 is characterized in that: A quartz sand filter layer (24) is provided inside the first filter tank (4), and the quartz sand filter layer (24) is located at the bottom of the filter plate (7). An activated carbon filter layer is provided inside the second filter tank (5), and a resin softening layer is provided inside the third filter tank (6). The bottoms of the first filter tank (4), the second filter tank (5) and the third filter tank (6) are all mounted on the mounting frame (1), and the first connecting pipe (20) and one end of the water outlet pipe (23) are both provided with a solenoid valve.

4. The pre-processing device for the water quality online analyzer according to claim 1, characterized in that: One side of the mounting plate (11) is fixedly mounted on the outer surface of the first filter tank (4); an arc-shaped opening is provided on a side of the first filter tank (4) close to the mounting plate (11); a baffle (25) is provided inside the arc-shaped opening; a movable groove is provided at the top of the arc-shaped opening and located on the inner wall of the first filter tank (4); a first electric push rod (26) is fixedly mounted inside the movable groove; and the top of the baffle (25) is fixedly mounted on the first electric push rod (26).

5. The pre-processing device for the water quality online analyzer according to claim 1, characterized in that: The two fixing plates (13), the second motor (14), the threaded rod (15) and the threaded block (16) are symmetrically arranged around the center of the mounting plate (11); one end of the threaded block (16) passes through the slide groove and extends into the interior of the mounting plate (11); a groove is provided on one side of the threaded block (16); a connecting spring is fixedly installed in the interior of the groove; one end of the connecting spring is fixedly connected to the limiting rod (17).

6. The pre-processing device for the water quality online analyzer according to claim 4 is characterized in that: Both sides of the bottom of the filter plate (7) are provided with mounting grooves, a second electric push rod (27) is fixedly mounted inside the mounting groove, an insertion rod (28) is fixedly mounted on the bottom of the second electric push rod (27), a round protrusion (29) is fixedly connected to the bottom of the insertion rod (28), a first slot is provided on the inner wall of the first filter tank (4) away from the arc-shaped opening, and a second slot is provided on one side of the baffle plate (25).

7. The pre-processing device for an online water quality analyzer according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: Start the control box (2) to transport the water to be treated in the water tank (3) through the delivery pipe (22), then start the suction pump (19) at the top of the first filter tank (4), transport the water to be treated to the inside of the water inlet pipe (18) at the top of the first filter tank (4) through the first connecting pipe (20), and move the water from the water inlet pipe (18) to the inside of the first filter tank (4). When the water to be tested enters the first filter tank (4), it is first filtered by the filter plate (7), then filtered by the quartz sand filter layer (24), and then filtered by the first filter tank (4). The connected second connecting pipe (21) moves toward the inside of the second filter tank (5), and the suction pump (19) on the top of the second filter tank (5) is started to transport the filtered water to the inner wall of the second filter tank (5), and filter it again through the activated carbon filter layer. After the filtration is completed, the second connecting pipe (21) on the side of the second filter tank (5) moves toward the inside of the third filter tank (6), and the suction pump (19) on the top of the third filter tank (6) is started to allow the water to enter the inside of the third filter tank (6), filter it through the resin softening layer, and discharge it through the water outlet pipe (23) after the filtration is completed; Step 2: After the water in the water tank (3) is filtered through the filter plate (7), when seaweed and other large particles of impurities in the water remain on the filter plate (7), the baffle plate (25) is driven by the first electric push rod (26) to move into the movable groove to expose the arc-shaped opening, and then the second motor (14) is started to drive the threaded rod (15) to rotate, so that the upper and lower sides of the threaded block (16) move along the slide groove and move along the threaded rod (15). The threaded block (16) drives the limiting rod (17) to move, so that the limiting rod (17) drives the collecting block (12) to move through the arc-shaped opening into the first filter tank (4). When the threaded block (16) moves to the end of the slide groove away from the first motor (10), the collecting block (12) moves to the inside of the second filter tank (5); Step 3: Make the installation grooves on both sides of the bottom of the filter plate (7) correspond to the sockets on the top of the collection block (12), start the second electric push rod (27) inside the installation groove to drive the insertion rod (28) to move downward, and the insertion rod (28) drives the round protrusion (29) to move through the socket to the inside of the fixed groove, so that the round protrusion (29) moves along the inclined surface of the moving block (30), and the moving block (30) drives the movable block (32) to move toward the movable opening. The compression spring (33) is stretched, and the moving block (30) drives the insertion rod (28) to move toward the outside of the movable opening, so that the fixed rod (31) on one side of the collection block (12) is plugged into the first slot, and the fixed rod (31) on the other side of the collection block (12) is plugged into the second slot, so that the collection block (12) is fixed inside the first filter tank (4); Step 4: The first motor (10) is started again to drive the rotating shaft (8) to rotate, so that the filter plate (7) drives the rotating rod (9) to rotate along the inner wall of the first filter tank (4), so that the filter plate (7) is turned over 180 degrees, and the side with residual impurities is rotated to the top of the collection block (12). Flushing water is added to the inside of the water tank (3), and is transported to the inside of the first filter tank (4) through the first connecting pipe (20) and the water inlet pipe (18), and the filter plate (7) is flushed, so that the seaweed and large particles of impurities on the filter plate (7) fall into the inside of the collection block (12) for collection. After flushing, the collection block (12) is moved to the top of the mounting plate (11), and the limiting rod (17) is moved to both sides, so that the connecting spring is stretched, and the limiting rod (17) is separated from the limiting groove, and the collection block (12) is replaced and cleaned.

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