High pressure rinse based filter media heavy metal cleaning device

Abstract

The application relates to the technical field of high-pressure cleaning, in particular to a filter material heavy metal cleaning device based on high-pressure flushing. The device comprises a shell, a limiting cylinder and a spray head arranged in the shell, the limiting cylinder is rotationally arranged in the shell, and the outer ring of the limiting cylinder is provided with an inlet; the spray head is used for spraying high-pressure water jets to the inlet; one side of the limiting cylinder relative to the inlet is provided with an outlet, a guide is slidably arranged in the outlet, the guide has a first position and a second position, the guide is arranged in the outlet in the first position and is used for plugging the outlet. The filter material is limited in the limiting cylinder, the guide arranged in the limiting cylinder is used for guiding the filter material during the cleaning process, the filter material is contacted with the high-pressure water jets for multiple times, the contact time is prolonged, and on the other hand, after the filter material is cleaned, the guide controls the cleaned filter material to be discharged when new filter material enters the limiting cylinder.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high-pressure cleaning, in particular to a filter material heavy metal cleaning device based on high-pressure washing. BACKGROUND

[0002] In the industrial fields of water treatment, metallurgy, electroplating, and mining, filter materials (such as quartz sand, activated carbon, anthracite, ceramic filter material, etc.) are widely used for adsorbing and filtering heavy metal ions (such as lead, cadmium, chromium, mercury, arsenic, etc.) in wastewater. After being used for a period of time, the surface and internal pores of these filter materials will adsorb and accumulate a large amount of heavy metal pollutants, resulting in saturation of the filter material, decrease of filtration efficiency, and deterioration of effluent water quality, thus requiring regular cleaning.

[0003] In the prior art, for saturated filter materials taken out of the filtration equipment, an open cleaning pool is often used for high-pressure washing. However, due to the light weight and small volume of individual filter materials, when subjected to the direct impact of high-pressure water flow, a significant "high kinetic energy escape" phenomenon occurs. Specifically, the filter material is ejected or dispersed out of the effective cleaning area at the moment of impact, resulting in only a short contact between the filter material and the high-pressure water jet. This short contact time limits the shearing force of the water flow on the stripping of deep-attached pollutants, resulting in poor cleaning effect. If a closed cleaning chamber is used to avoid this problem, it will seriously hinder the convenient feeding and discharge of the filter material, making it difficult to achieve continuous operation. SUMMARY

[0004] The purpose of the present application is to provide a filter material heavy metal cleaning device based on high-pressure washing, which guides and controls the filter material through a guide, thereby solving the problems raised in the background art, i.e., the short contact between the filter material and the high-pressure water jet during high-pressure washing and the difficulty in achieving continuous operation.

[0005] To achieve the above purpose, the filter material heavy metal cleaning device based on high-pressure washing comprises a shell, a limiting cylinder and a spray head arranged in the shell, the limiting cylinder is rotationally arranged in the shell, and the outer ring of the limiting cylinder is provided with an inlet; the spray head is used to spray a high-pressure water jet to the inlet;

[0006] The side of the limiting cylinder opposite to the inlet is provided with an outlet, a guide is slidably arranged in the outlet, the guide has a first position and a second position, the guide is in the outlet at the first position and is used to block the outlet; the guide is separated from the outlet at the second position, so that the filter material in the limiting cylinder is discharged through the outlet;

[0007] Further comprising a material guiding member located in the limiting cylinder, the material guiding member encloses a material collecting cavity with an inlet in the interior of the limiting cylinder, the material collecting cavity collects the filter material through the inlet during the rotation of the limiting cylinder, and the filter material is discharged when the inlet faces the nozzle, and the filter material contacts the high-pressure water jet during the discharging process and is flushed to the guide member and contacts the high-pressure water jet again after being guided by the arc surface of the guide member.

[0008] On this basis, the guide member is an arc plate structure, the top end of the guide member is provided with a first closed end, and the bottom end is provided with a second closed end;

[0009] The top of the first closed end is a plane structure for slidingly abutting the top wall of the outlet.

[0010] The bottom of the second closed end is bent towards the inlet, and the upper surface of the bent end is an arc surface, and the lower surface is a plane structure for slidingly abutting the bottom wall of the outlet.

[0011] On this basis, one end of the material guiding member is fixedly connected with the inner ring of the limiting cylinder, and the other end is reserved with an inlet between the inner ring of the limiting cylinder, so that the top of the material guiding member forms a material collecting cavity.

[0012] The middle part of the material guiding member is provided with a material discharging port for discharging the filter material.

[0013] On this basis, the end of the first closed end is provided with a magnet block magnetically connected with the material guiding member.

[0014] On this basis, the inside of the shell is provided with an electromagnet located below the limiting cylinder, and the electromagnet is magnetically attracted to the guide member for limiting the guide member at the first position, so that the filter material is cleaned multiple times by the limiting cylinder.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] 1. In the filter heavy metal cleaning device based on high-pressure flushing, the filter material is limited in the limiting cylinder, and the guide member arranged in the limiting cylinder guides the filter material during the cleaning process, so that the filter material contacts the high-pressure water jet multiple times, prolongs the contact time, and controls the discharge of the cleaned filter material when new filter material enters the limiting cylinder, thereby solving the problems of short contact between the filter material and the high-pressure water jet and difficulty in continuous operation.

[0017] 2. In the filter heavy metal cleaning device based on high-pressure flushing, the guide member is controlled by the electromagnet, so that the cleaned filter material cannot be discharged through the outlet without adding new filter material, and the filter material is cleaned multiple times during the continuous rotation of the limiting cylinder, thereby improving the cleaning quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the present application;

[0019] Figure 2 Fig. 2 is a schematic diagram of the structure of the spray head of the present application;

[0020] Figure 3 Fig. 3 is a schematic diagram of the cross-sectional structure of the limiting cylinder of the present application;

[0021] Figure 4 Fig. 4 is a schematic diagram of the structure of the guide of the present application;

[0022] Figure 5 Fig. 5 is a schematic diagram of the structure of the magnet block of the present application;

[0023] Figure 6 Fig. 6 is a schematic diagram of the rotating state of the limiting cylinder of the present application; Figure 1

[0024] Figure 7 Fig. 7 is a schematic diagram of the rotating state of the limiting cylinder of the present application; Figure 2

[0025] Figure 8 Fig. 8 is a schematic diagram of one working state of the guide of the present application;

[0026] Figure 9 Fig. 9 is a schematic diagram of the structure of the filter plate of the present application;

[0027] Figure 10 Fig. 10 is a schematic diagram of another working state of the guide of the present application; Figure 1

[0028] Fig. 11 is a schematic diagram of another working state of the guide of the present application. Figure 11 Figure 2 Fig. 12 is a schematic diagram of the structure of the filter plate of the present application.

[0029] Fig. 13 is a schematic diagram of the structure of the filter plate of the present application.

[0030] 100, housing; 101, cover plate; 102, motor; 103, discharge port; 104, liquid discharge port; 105, filter plate; 110, water pipe; 111, spray head; 120, limiting cylinder; 121, inlet; 122, outlet; 123, mesh structure; 130, guide; 131, limiting rod; 132, fixed plate; 133, sliding rod; 134, connecting spring; 135, first closed end; 136, second closed end; 137, guide portion; 140, material guide; 141, material discharge port; 142, material inlet; 150, magnet block; 160, electromagnet. DETAILED DESCRIPTION

[0031] ​​​Clearly, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0032] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0034] Embodiment 1, aiming at the problem that the filter material is in short contact with the high-pressure water jet during high-pressure washing and it is difficult to realize continuous operation. The present application provides a filter material heavy metal cleaning device based on high-pressure washing. As shown in Figure 1 and Figure 2 The cleaning device includes a shell 100 and a limiting cylinder 120 and a spray head 111 arranged in the shell 100. The limiting cylinder 120 is installed inside the shell 100 through the opening arranged at the top of the shell 100. After installation, the cover plate 101 is fixed at the opening at the top of the shell 100 by bolts for sealing. Through this detachable design, the disassembly and maintenance of the limiting cylinder 120 can be facilitated. When it is needed to send filter material into the limiting cylinder 120, the filter material can be poured into the feeding port at the top of the cover plate 101. In the present application, a screw conveyor can be used to send the filter material to the feeding port.

[0035] The spray head 111 is located at one side of the outer ring of the limiting cylinder 120 and is arranged in the axial direction of the limiting cylinder 120. The water outlet of the spray head 111 adopts a "V" shape structure so that the liquid sprayed is distributed in a fan shape in the top view. With this design, the liquid sprayed by multiple spray heads 111 forms a complete and continuous water flow surface to impact all the filter materials falling. The water inlet of the spray head 111 is connected to an external water source through the water pipe 110, and a water pump is also connected to the spray head 111 to increase the water pressure, so that the liquid is sprayed into the limiting cylinder 120 through the inlet 121 under the action of high pressure.

[0036] As shown in Figure 2 , both ends of the limiting cylinder 120 are rotationally connected to the shell 100 through shafts, and one of the shafts is coaxially fixedly connected to the motor 102 in the Figure 1 to serve as a power source for driving the rotation of the limiting cylinder 120. The rotation of the limiting cylinder 120 enables the inlet 121 to adjust its position, Figure 2 , which shows the state that the liquid is sprayed into the limiting cylinder 120 through the inlet 121 under the action of high pressure. In Figure 2 , the inlet 121 is rotated to the position facing the spray head 111, at which time the inlet 121 is at the same height as the spray head 111, so the liquid can be sprayed into the limiting cylinder 120 through the inlet 121. In addition, the inlet 121 is arranged in the axial direction of the limiting cylinder 120 to correspond to the multiple spray heads 111 arranged. When the inlet 121 is rotated to the top, it is directly below the feeding port, at which time the filter material can be fed into the limiting cylinder 120 through the inlet 121.

[0037] However, the phenomenon that the filter material is difficult to discharge from the limiting cylinder 120 still exists only with the inlet 121 arranged, so Figure 3 , an outlet 122 is arranged on the side of the limiting cylinder 120 opposite to the inlet 121 to provide a discharge channel for the filter material, and a guide 130 is slidably arranged in the outlet 122 to control the discharge of the filter material. Specifically, the guide 130 has a first position and a second position. In the first position, the guide 130 is in the outlet 122 to block the outlet 122. In the second position, the guide 130 is separated from the outlet 122, so that the filter material in the limiting cylinder 120 is discharged through the gap between the guide 130 and the outlet 122.

[0038] In specific implementation, reference is made to Figure 4The outer ring of the limiting cylinder 120 corresponding to the outlet 122 is set as a convex state, which is a base plate installed as a sliding structure. The sliding structure includes a fixed plate 132 fixed to the side wall of the base plate and a sliding rod 133 fixedly connected with the outer wall of the guide 130, wherein the sliding rod 133 slides through the fixed plate 132, so as to realize the sliding of the guide 130 in the outlet 122. In addition, a plurality of limiting rods 131 are arranged between the two base plates to prevent the guide 130 from falling off from the outside and improve the sliding stability.

[0039] Next, Figure 3 and Figure 5 The specific structure of the guide 130 is also shown. First, as shown in Figure 5 , the guide 130 is an arc plate structure, and the length direction is parallel to the axial direction of the limiting cylinder 120. Next, referring to Figure 3 , the top end of the guide 130 is provided with a first closed end 135, and the bottom end is provided with a second closed end 136. The top of the first closed end 135 is a plane structure, which is used to slide and fit with the top wall of the outlet 122; the bottom of the second closed end 136 is bent to the inlet 121, and the upper surface of the bent end is an arc surface, and the lower surface is a plane which is used to slide and fit with the bottom wall of the outlet 122.

[0040] Moreover, the arc surface of the bent end of the second closed end 136 plays a role in guiding the movement of the filter material. Therefore, the positional relationship between the second closed end 136 and the inlet 121 is particularly important. Specifically, the state shown in Figure 3 , Figure 3 the dashed line in the figure is the height of the inlet 121, and in this embodiment, the height of the bent end of the second closed end 136 is set to be lower than the height of the inlet 121. In this way, the high-pressure water jet can shoot the filter material to the arc surface of the second closed end 136, and the filter material is guided to contact the high-pressure water jet again through the arc surface. Moreover, by setting a guide part 137 at the end of the second closed end 136, the guide part 137 is inclined downward, so as to improve the probability of the filter material entering the guide 130.

[0041] In addition, in order to facilitate the discharge of water flow in the limiting cylinder 120, a part of the limiting cylinder 120 can be set as a mesh structure 123 which is permeable to water. In the embodiment shown in Figure 3 , the mesh structure 123 is arranged at the bottom of the limiting cylinder 120.

[0042] Regarding the problem that the filter material contacts the high-pressure water jet for a short time, the material guide 140 is arranged in the limiting cylinder 120 to solve the problem. As shown in Figure 2As shown, the guide member 140 forms a collection chamber with an inlet 142 inside the limiting cylinder 120. During the rotation of the limiting cylinder 120, the collection chamber collects filter material through the inlet 142 and discharges the filter material when the inlet 121 faces the nozzle 111. During the discharge process, the filter material comes into contact with the high-pressure water jet and is pushed towards the guide member 130. After being guided by the arc surface of the guide member 130, it comes into contact with the high-pressure water jet again, thereby increasing the contact time.

[0043] Regarding the formation of the aggregate cavity, Figure 2 The state of the guide component 140 is taken as the reference. The guide component 140 has a plate-like structure. Its right end (i.e., the end near the inlet 121) is fixedly connected to the inner ring of the limiting cylinder 120, and its left end (i.e., the end near the outlet 122) is not in contact with the inner ring of the limiting cylinder 120, forming a feed inlet 142. At this time, a collection chamber is formed at the top of the guide component 140, and the filter material is collected through the feed inlet 142. In terms of discharge, a through discharge port 141 is set in the middle of the guide component 140. The diameter of the discharge port 141 is slightly larger than (for example, larger than 2 mm) the particle size of the filter material to achieve the discharge of the filter material. Furthermore, by bending the part of the guide component 140 near the discharge port 141 downward, the two sides of the guide component 140 are designed to be inclined, forming a "V"-shaped state, so that the filter material at the top of the guide component 140 flows to the discharge port 141 under the action of inclination.

[0044] Furthermore, a magnet block 150 is provided at the top of the guide 130 (i.e., the end of the first closed end 135) and is magnetically connected to the guide 140. The magnetic force between the magnet block 150 and the guide 140 is less than the gravity exerted on the guide 130 by the filter media at a preset capacity.

[0045] The working principle of this embodiment will be explained in detail below:

[0046] First, such as Figure 6 As shown, in Figure 6 In the left half, the guide 130 is in the second position, and the magnetic block 150 and the guide 140 magnetically attract each other, restricting the guide 130 to the second position. At this time, the height of the second closed end 136 is higher than the height of the outlet 122, creating a gap between the second closed end 136 and the outlet 122, through which the cleaned filter material is discharged. Then, combined with... Figure 6 The right half of the filter media is fed into the limiting cylinder 120 through inlet 121. Since the guide 130 is located below inlet 121, the filter media will fall on top of the guide 130. When the weight of the filter media is greater than the magnetic force between the magnet block 150 and the guide 140, the guide 130 moves down to the first position, blocking outlet 122 and opening inlet 142.

[0047] Next, as Figure 7As shown, the driving limit cylinder 120 rotates 90 degrees counterclockwise. At this time, the filter material on the top of the guide 130 will slide into the collection chamber through the feed inlet 142. Then, the driving limit cylinder 120 rotates 90 degrees counterclockwise. At this time, the guide 130 is above the limit cylinder 120. Therefore, under the action of gravity, the guide 130 slides down to the second position. At this time, the magnet block 150 and the guide 140 attract each other to close the feed inlet 142 and open the outlet 122 at the same time.

[0048] Finally, as Figure 8 As shown, when the guide component 140 rotates to the top, the water pressure is controlled to be above 0.5 MPa, causing the high-pressure water jet from the nozzle 111 to enter the limiting cylinder 120 at a speed of approximately 31.62 m / s (refer to the white arrow). The filter media then falls through the discharge port 141 (refer to the black solid arrow) until all the filter media is discharged through the discharge port 141. At this point, the nozzle 111 can be closed. The filter media undergoes its first cleaning by being impacted by the high-pressure water jet during its fall. Here, the filter media can be selected from ceramic granules, quartz sand, manganese sand, etc. Taking 1mm diameter quartz sand as an example, the weight of a single quartz sand particle is approximately 1.25 milligrams. Therefore, when facing the high-pressure water jet, it will be impacted at the guide component 130. During the cleaning process, taking quartz sand as an example, the adhesion of heavy metals on the outer surface of quartz sand is usually between 100 and 400 nN (mainly through physical adsorption), while the impact and drag force generated by the water jet is about 15,000 nN, which is sufficient to wash off the deposits. Next, the impacted filter media moves towards guide 130 (refer to the black dotted arrow) and moves upward under the action of the arc surface of guide 130, then falls again, making secondary contact with the high-pressure water jet during this second fall, resulting in a secondary cleaning.

[0049] After cleaning, the filter media will be in a state of flux under the rotation of the limiting cylinder 120. Figure 6 The state of the left half is used to implement a loop. Also, refer to... Figure 9 After the filter media is discharged through outlet 122, it will fall onto the surface of filter plate 105 installed inside the housing 100. Filter plate 105 separates the filter media from the water, so that the filter media is discharged through discharge port 103 and the water is discharged through discharge port 104. The discharged wastewater enters the wastewater treatment system for treatment.

[0050] In other words, by confining the filter media within the limiting cylinder 120, the guide 130 provided within the limiting cylinder 120 guides the filter media during the cleaning process, allowing the filter media to come into contact with the high-pressure water jet multiple times, thus increasing the contact time. On the other hand, after the filter media is cleaned, the guide 130 controls the discharge of the cleaned filter media when new filter media enters the limiting cylinder 120, thereby solving the problems of brief contact between the filter media and the high-pressure water jet and the difficulty in achieving continuous operation.

[0051] Example 2 is an optimization of Example 1, mainly to achieve the purpose of multiple cleanings of the filter media. For example... Figures 9-11 As shown, an electromagnet 160 is disposed inside the outer casing 100, located below the limiting cylinder 120, and the electromagnet 160 is magnetically attracted to the guide member 130. In this embodiment, the electromagnet 160 is externally sealed to prevent leakage.

[0052] The working principle of this embodiment will be explained in detail below:

[0053] When the limit cylinder 120 rotates to Figure 10 When the filter media is in the middle left half of its position, the cleaned filter media falls to the bottom of the limiting cylinder 120, and the outlet 122 is in the open position. When the limiting cylinder 120 rotates to... Figure 10 When the right half of the filter media is in its current state, electromagnet 160 is activated. Electromagnet 160 pulls guide 130 downward, sealing outlet 122. At this time, the cleaned filter media cannot be discharged through outlet 122. As the limiting cylinder 120 continues to rotate, as... Figure 11 As shown, the filter media will re-enter the collection chamber for a second cleaning. Once the cleaning is complete, turn off the power to electromagnet 160.

[0054] In addition, a connecting spring 134 is provided between the slide rod 133 and the fixed plate 132. The connecting spring 134 can provide a force for the guide member 130 to move towards the guide member 140. For example, when the electromagnet 160 mistakenly pulls down the guide member 130, the electromagnet 160 is turned off, and the connecting spring 134 pushes the guide member 130 to move towards the guide member 140 under its own elastic force.

[0055] It should be understood that the connecting spring 134 is only provided to drive the guide 130 to reset in the event of an erroneous start-up of the electromagnet 160. When there is no erroneous start-up, the connecting spring 134 may not be required.

[0056] In summary, by using electromagnet 160 to control guide 130, the displacement of guide 130 can be controlled without adding new filter material, so that the cleaned filter material cannot be discharged through outlet 122, thereby performing multiple cleanings during the continuous rotation of limit cylinder 120 to improve cleaning quality.

[0057] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter media heavy metal cleaning apparatus based on high pressure washing, characterized by: The utility model provides a high pressure water jet filter device, including shell (100) and the limit cylinder (120) and shower nozzle (111) of setting in shell (100), the limit cylinder (120) rotation setting in shell (100), the outer ring of limit cylinder (120) is provided with inlet (121), shower nozzle (111) is used for the high pressure water jet of injection to inlet (121) place; The limit cylinder (120) is provided with an outlet (122) on one side relative to the inlet (121), the guide (130) is slidably arranged in the outlet (122), the guide (130) has a first position and a second position, the guide (130) is in the outlet (122) in the first position, for blocking the outlet (122), the guide (130) is separated from the outlet (122) in the second position, so that the filter material in the limit cylinder (120) is discharged through the outlet (122); It also includes a material guide (140) located in the limit cylinder (120), the material guide (140) encloses a material collecting cavity with a feed inlet (142) inside the limit cylinder (120), the material collecting cavity collects filter material through the feed inlet (142) during the rotation of the limit cylinder (120), and discharges the filter material when the inlet (121) faces the shower nozzle (111), the filter material contacts the high pressure water jet during the discharge process, and is flushed towards the guide (130), and then contacts the high pressure water jet again after being guided by the arc surface of the guide (130); The guide (130) is an arc plate structure, the top end of the guide (130) is provided with a first closed end (135), and the bottom end is provided with a second closed end (136); The top of the first closed end (135) is a flat structure, used for slidingly fitting with the top wall of the outlet (122); The bottom of the second closed end (136) is bent towards the inlet (121), and the upper surface of the bent end is an arc surface, and the lower surface is a flat surface slidingly fitted with the bottom wall of the outlet (122); One end of the material guide (140) is fixedly connected with the inner ring of the limit cylinder (120), and the other end is provided with a feed inlet (142) reserved between the inner ring of the limit cylinder (120), so that the top of the material guide (140) forms a material collecting cavity; The middle part of the material guide (140) is provided with a discharge port (141) for discharging filter material; The end of the first closed end (135) is provided with a magnet block (150) magnetically connected with the material guide (140).

2. The high pressure rinse based filter media heavy metal cleaning apparatus of claim 1, wherein: One side of the limit cylinder (120) is provided with a fixed plate (132), and the outer wall of the guide (130) is provided with a sliding rod (133) slidingly connected with the fixed plate (132), so that the guide (130) slides in the outlet (122) through the sliding connection of the sliding rod (133) and the fixed plate (132).

3. The high pressure rinse based filter media heavy metal cleaning apparatus of claim 1, wherein: The height of the bent part of the second closed end (136) is lower than the height of the inlet (121), so that the filter material is flushed towards the arc surface of the second closed end (136) by the high pressure water jet, and the filter material is guided to contact the high pressure water jet again through the arc surface.

4. The high pressure rinse based filter media heavy metal cleaning apparatus of claim 1, wherein: Part of the limit cylinder (120) is provided as a mesh structure (123) that can permeate water.

5. The high pressure rinse based filter media heavy metal cleaning apparatus of claim 1, wherein: The material guiding part (140) is bent downward near the material outlet (141) to guide the filter material to the material outlet (141).

6. The high pressure rinse based filter media heavy metal cleaning apparatus of claim 1, wherein: The magnetic force between the magnet block (150) and the material guiding part (140) is smaller than the gravity of the filter material on the guide (130) under a preset capacity.

7. The high pressure rinse based filter media heavy metal cleaning apparatus of claim 1, wherein: The inside of the shell (100) is provided with an electromagnet (160) below the limiting cylinder (120), the electromagnet (160) is magnetically attracted to the guide (130), which is used to limit the guide (130) to the first position, so that the filter material is washed multiple times in the limiting cylinder (120).

Images