A device for removing microplastics from water

Abstract

The present invention discloses a device for removing microplastics in water, comprising a main component, comprising a filter housing, each surface of the filter housing is a mesh grille, the left end of the filter housing is connected to an openable door body; a filter component, comprising a filter grille net fixedly connected to the inner side of the filter housing and arranged close to the door body, the filter grille net is movably connected to three filter plates arranged in sequence from left to right in the filter housing on the side away from the door body; the use of the present invention can reduce microplastics in river water and purify the river, and solves the problem that the prior art is still at the research stage of detecting the microplastic content in the water after collecting a small amount of river water for sampling, and cannot further purify the river.

Description

Technical Field

[0001] The invention relates to the technical field of environmental protection, in particular to a device for removing microplastics in water. Background Art

[0002] At present, the water purification technology for domestic water is relatively mature, and devices for removing nanoplastic microspheres in water are often used to remove microplastics in domestic water to reduce the risk of ingesting plastic microspheres through drinking water, but there is a lack of research on devices for removing microplastics in rivers. In the existing technology, it is still at the stage of collecting a small amount of river water for sampling and detecting the content of microplastics in the water. Therefore, it is urgent to develop a device for removing microplastics in water to remove and collect microplastics in rivers, filling the technical gap of improving the purification rate of rivers. Summary of the invention

[0003] The purpose of this section is to summarize some aspects of embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0004] In view of the above and / or existing problems in the existing river purification, the present invention is proposed.

[0005] Therefore, the problem to be solved by the present invention is that the prior art is still at the research stage of collecting a small amount of river water for sampling and detecting the content of microplastics in the water, and is unable to further purify the river.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a device for removing microplastics in water, comprising:

[0007] The main body assembly includes a filter housing, each surface of which is a mesh grille, and the left end of the filter housing is connected to an openable door;

[0008] The filter assembly includes a filter grid fixedly connected to the inner side of the filter housing and arranged close to the door body. The filter grid is movably connected to three filter plates arranged in sequence from left to right in the filter housing on the side away from the door body.

[0009] As a preferred embodiment of the device for removing microplastics in water according to the present invention, the three filter plates are arranged obliquely from left to right, the middle filter plate is higher than the left filter plate and the right filter plate, a first channel is provided between the upper end of the left filter plate and the inner wall at the top of the filter shell, a second channel is provided between the lower end of the middle filter plate and the inner wall at the bottom of the filter shell, and a third channel is provided between the upper end of the right filter plate and the inner wall at the top of the filter shell.

[0010] As a preferred embodiment of the device for removing microplastics in water described in the present invention, the inner walls at both ends in the front and rear directions of the filter housing are respectively provided with two first sliding grooves and two second sliding grooves, the two first sliding grooves are spaced apart and parallel to each other in the height direction, the two second sliding grooves are spaced apart and parallel to each other in the height direction, the first sliding groove is inclined downward from right to left, the right end of the first sliding groove and the left end of the second sliding groove intersect, the second sliding groove is inclined downward from left to right, the front and rear ends of the filter plate are respectively rotatably connected with two pairs of rollers, each pair of rollers is composed of two rollers spaced apart in the height direction, and the filter plate in the middle The two pairs of rollers can respectively roll along the two first sliding grooves, and the two pairs of rollers on the filter plate at the right end can respectively roll along the corresponding second sliding grooves. A disassembly opening is opened at one end of the filter shell at the left end of the first sliding groove in the front-to-back direction so that the filter plate can pass through. A disassembly plate that is just inserted into the disassembly opening, covering one side of the filter plate in the front-to-back direction and connected to the filter plate is detachably connected to the filter shell outside the disassembly opening. In the initial state, the filter plate at the left end is at the position of the left end of the first sliding groove, the middle filter plate is at the intersection of the first sliding groove and the second sliding groove, and the filter plate at the right end is at the position of the right end of the second sliding groove.

[0011] As a preferred embodiment of the device for removing microplastics in water according to the present invention, the filter plate at the right end can move synchronously with the filter plate in the middle. When the filter plate in the middle moves to the position of the left end of the first sliding trough, the filter plate at the right end moves to the intersection of the first sliding trough and the second sliding trough.

[0012] As a preferred embodiment of the device for removing microplastics in water described in the present invention, the filter shell at the right end of the second sliding trough has a connecting port at one end in the front-to-back direction, and the filter shell is connected to a transmission connecting plate through the connecting port, and the transmission connecting plate can be connected to the filter plate at the right end. When the transmission connecting plate is pulled out of the filter shell, the transmission connecting plate is detached from the filter plate at the right end, and the middle filter plate and the filter plate at the right end move to the left at the same time.

[0013] As a preferred embodiment of the device for removing microplastics in water described in the present invention, the filter assembly further comprises a movable transverse plate arranged on the inner side of the filter housing and a swing rod attached to the outer side of the filter housing, the swing rod and the movable transverse plate are hinged, and a sliding port for connecting and sliding the swing rod and the movable transverse plate is provided on the filter housing between the disassembly port and the connection port, a guide block is fixedly connected to the outer side of the filter housing, a sliding rod is slidably connected to the guide block, an end of the swing rod away from the movable transverse plate is hinged to a connecting rod, and a movable groove is provided on the connecting rod, when the transmission connecting plate is pulled out of the filter housing, the transmission connecting plate can abut against one end of the sliding rod, and the other end of the sliding rod is slidably connected to the connecting rod via the movable groove, and a plug-in groove is provided on the transmission connecting plate, and the end of the movable transverse plate away from the disassembly port is just slidably connected to the transmission connecting plate via the plug-in groove.

[0014] As a preferred solution of the device for removing microplastics in water described in the present invention, a first limiting plate is fixed on the guide block, a second limiting plate is fixed on the sliding rod on the right side of the guide block, and a first elastic member is connected between the first limiting plate and the second limiting plate.

[0015] As a preferred embodiment of the device for removing microplastics in water described in the present invention, the transmission connecting plate is provided with mounting grooves at both ends in the height direction on one side of the filter plate, and the filter plate is provided with two movable grooves corresponding to the mounting grooves at one end of the transmission connecting plate. The mounting groove is provided with a plug-in sink hole on the transmission connecting plate away from one end of the filter plate in the front-to-back direction, and a connecting shaft that can move forward and backward is plugged into the transmission connecting plate through the plug-in sink hole. A reset elastic part is connected between the end of the connecting shaft away from the plug-in sink hole and the corresponding filter plate, and the two connecting shafts are symmetrically arranged about the center of the transmission connecting plate in the height direction, and the upper end surface of the upper connecting sink groove is inclined downward toward the direction of the filter plate. The two mounting grooves are provided on the transmission connecting plate. A movable cavity is opened on the filter plate between the sink grooves, and a movable rod that can move left and right is slidably connected on the transmission connecting plate at the movable cavity. The upper and lower ends of the movable rod are respectively provided with first inclined surfaces, and the transmission connecting plates at the upper and lower ends of the movable rod are slidably connected with a lifting rod that can move in the height direction. The two lifting rods are symmetrically arranged about the center of the movable cavity in the height direction, and a transmission part is fixed at the lower end of the upper lifting rod, and the lower end of the upper transmission part has a second inclined surface that matches the first inclined surface, and the upper lifting rod has a third inclined surface that matches the upper end surface of the upper connecting sink groove. When the upper and lower lifting rods move up and down at the same time, the two lifting rods respectively push the corresponding two connecting shafts to leave the plug-in sink hole.

[0016] As a preferred solution of the device for removing microplastics in water described in the present invention, when the movable horizontal plate moves toward the direction of the filter plate at the left end, the movable horizontal plate drives the movable rod to move to the left. When the movable rod moves to the left, the movable rod pushes the upper lifting rod to move upward through the first inclined surface at the upper end, and the movable rod pushes the lower lifting rod to move downward through the first inclined surface at the lower end.

[0017] As a preferred embodiment of the device for removing microplastics in water described in the present invention, a movable trough connected to the movable cavity is opened on the side of the movable transverse plate opposite to the movable cavity, a limit slider that can move forward and backward is slidably connected to the movable transverse plate at the movable trough, a second elastic member is connected between the limit slider and the movable transverse plate at one end of the movable trough away from the movable cavity, the end of the limit slider away from the second elastic member has a fourth inclined surface, the left end of the limit slider is attached to the right side of the movable rod, when the limit slider pushes the movable rod to contact the filter plate on the left side of the active cavity, the movable transverse plate continues to move to the left, the movable transverse plate drives the two filter plates on the right to move to the left through the limit slider; when the movable transverse plate moves to the right, the limit slider can be completely pressed into the movable trough through the fourth inclined surface, and the movable transverse plate and the corresponding filter plate are separated.

[0018] The beneficial effects of the present invention are as follows: a number of water-permeable holes are arranged on the door body of the water inlet at the left end of the filter housing, and large-sized garbage such as dead branches and rotten leaves floating in the water are intercepted by the setting of the filter grille net, and the large garbage will not enter the filter housing on the right side of the filter grille net. The filter plate is a filter layer for adsorbing nano-plastic microspheres. The flowing water entering the right side of the filter grille net passes through the three filter plates arranged from left to right in sequence, and the flowing water filtered by the filter plate at the rightmost end flows to the river area behind. The middle filter baffle and the filter plates on both sides are staggered in height direction, which prolongs the residence time of the flowing water in the filter housing and enhances the removal efficiency. When the filter plate needs to be replaced, only one filter plate needs to be replaced each time. The specific replacement process is to push the movable horizontal plate to slide to the first The left end of the sink groove moves in the direction of the left end, the moving cross plate squeezes the moving rod to move to the left, the moving rod pushes the lifting rods at the upper and lower ends to move upward and downward respectively, the lifting rod pushes the corresponding connecting shaft to move in the direction of the filter plate, the reset elastic part is compressed, the connecting plate leaves the plug-in sink hole, the transmission connecting plate and the rightmost filter plate are separated, the moving rod contacts the filter plate on the left side of the movable chamber, the bolts and other fasteners used to connect the transmission connecting plate and the filter housing are removed, the transmission connecting plate is pulled out, the transmission connecting plate pushes the sliding rod to move to the left, the sliding rod drives the swing rod to swing through the connecting rod, the swing rod drives the moving cross plate to move to the left, the moving cross plate drives the two filter plates on the right to move to the left through the limit slider, and the roller on the original middle filter plate moves along the first sliding sink groove to The filter housing is then moved to its original position, and the roller on the filter plate in the middle rolls upward along the second sliding groove. When the two filter plates on the right move to the set position, that is, the roller on the filter plate in the middle rolls to the position where the lower end of the first sliding groove is located, the roller on the filter plate on the right rolls to the intersection of the first sliding groove and the second sliding groove. The new filter plate is inserted into the position of the right end of the second sliding groove through the connecting port, and the transmission connecting plate is inserted. The transmission connecting plate is fixedly connected to the filter housing, and the connecting shaft on the new filter plate is inserted into the plug-in sink hole of the transmission connecting plate. At the same time, the guide rod is reset under the action of the first elastic member, and the moving cross plate moves to the right. The limit slider is squeezed into the moving cross plate through the fourth inclined surface, and the second elastic member compresses , the limit slider disengages from the two original filter plates on the right, and the limit slider is reset under the action of the second elastic member. When the limit slider contacts the filter plate again, it will be pressed into the movable cross plate until the movable cross plate contacts the transmission connecting plate, and the limit slider extends into the corresponding filter plate under the action of the second elastic member to realize the connection between the cross plate and the new filter plate; that is, each time you only need to take out the filter plate with the most microplastics adsorbed, and then move the two filter plates with low microplastic adsorption rates to the left one filter station in turn, so that the original middle filter plate is moved to the position of the original leftmost filter plate, and the original rightmost filter plate is moved to the position of the original middle filter plate, and the new filter plate is installed to the position of the original rightmost filter plate, saving purification costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 Top view of the device for removing microplastics from water.

[0021] Figure 2 for Figure 1 The view from AA in the middle.

[0022] Figure 3 for Figure 2 A local enlarged structural diagram of point B in the middle.

[0023] Figure 4 for Figure 2 A partial enlarged structural diagram of point C in the middle.

[0024] Figure 5 A three-dimensional structural diagram of a device for removing microplastics from water.

[0025] Figure 6 for Figure 5 A local enlarged structural diagram of point D in the middle.

[0026] Figure 7 Front view of the device for removing microplastics from water.

[0027] Figure 8 for Figure 7 View from EE in the middle.

[0028] Fig. 9 for Figure 8 A local enlarged structural diagram at G in the middle.

[0029] Fig.10 for Figure 8 A local enlarged structural diagram of point H in the middle.

[0030] Fig.11 for Figure 7 Partial view at FF in the middle.

[0031] Fig.12 for Fig.11 A local enlarged structural diagram at point I in the middle.

[0032] Fig.13 It is a partial three-dimensional structural diagram of the movable cross plate when it is connected to the transmission connecting plate in the present invention.

[0033] Fig.14 It is the front view when the present invention is actually implemented.

[0034] In the figure: 100 main assembly, 101 filter housing, 101a first sliding sink, 101b second sliding sink, 101c disassembly port, 101d connection port, 101e sliding port, 102 door body, 103 fixed column, 104 fixed plate, 104a connecting plate, 200 filter assembly, 201 filter grid, 202 filter plate, 202a movable sink, 202b movable cavity, 202c docking sink, 203 connecting shaft, 203a connecting sink, 204 lifting rod, 204a transmission part, 204a-1 second inclined surface , 204b the third inclined surface, 205 the moving rod, 205a the first inclined surface, 206 the limiting slider, 206a the fourth inclined surface, 207 the transmission connecting plate, 207a the installation sink groove, 207b the plug-in sink hole, 207c the plug-in groove, 208 the disassembly plate, 209 the first elastic member, 210 the guide block, 210a the first limiting plate, 211 the moving cross plate, 212 the swing rod, 213 the connecting rod, 213a the movable groove, 214 the sliding rod, 214a the second limiting plate, 215 the second elastic member, 216 the roller, 217 the reset elastic member. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0038] Example 1

[0039] Reference Figure 1 and Figure 2 , which is the first embodiment of the present invention, provides a device for removing microplastics in water, which is used to reduce microplastics in river water and purify the river.

[0040] A device for removing microplastics in water includes a main component 100, the main component 100 includes a filter housing 101, each surface of the filter housing 101 is a mesh grille, the left and right ends of the filter housing 101 are respectively connected to a door body 102 that can be opened outward in one direction (the connection method between the door body 102 and the filter housing 101 is the existing technology. During normal use, the door body 102 is connected to the filter housing 101 using a latch, and the door body 102 is in a closed state without human power), and the filter housing 101 is connected to a filter component 200 for removing microplastics.

[0041] Specifically, the filter assembly 200 includes two filter grid nets 201 fixedly connected to the inner side of the filter housing 101 and respectively arranged near the two door bodies 102. The filter grid net 201 is movably connected to three filter plates 202 arranged in sequence from left to right in the filter housing 101 on the side away from the door body 102. The three filter plates 202 are inclined from left to right. The middle filter plate 202 is higher than the left filter plate 202 and the right filter plate 202. A first channel is provided between the upper end of the left filter plate 202 and the inner wall at the top of the filter housing 101, a second channel is provided between the lower end of the middle filter plate 202 and the inner wall at the bottom of the filter housing 101, and a third channel is provided between the upper end of the right filter plate 202 and the inner wall at the top of the filter housing 101.

[0042] Specifically, the inner walls of the two ends of the filter housing 101 in the front and rear directions are respectively provided with two first sliding grooves 101a and two second sliding grooves 101b, the two first sliding grooves 101a are spaced apart in the height direction and are parallel to each other, the two second sliding grooves 101b are spaced apart in the height direction and are parallel to each other, the first sliding groove 101a is inclined downward from right to left, the right end of the first sliding groove 101a and the left end of the second sliding groove 101b intersect, and the second sliding groove 101b is inclined downward from left to right, and the front and rear ends of the filter plate 202 are respectively rotatably connected with two pairs of rollers 216, and each pair of rollers 216 is spaced apart in the height direction. The filter housing 101 is composed of two rollers 216, the two pairs of rollers 216 on the middle filter plate 202 can respectively roll along the two first sliding grooves 101a, and the two pairs of rollers 216 on the filter plate 202 at the right end can respectively roll along the corresponding second sliding grooves 101b. A disassembly opening 101c for allowing the filter plate 202 to pass through is opened at one end of the filter housing 101 at the left end of the first sliding groove 101a in the front-to-back direction, and a disassembly plate 208 that is just inserted into the disassembly opening 101c, covers one side of the filter plate 202 in the front-to-back direction and is connected to the filter plate 202, is detachably connected to the filter housing 101 outside the disassembly opening 101c. In the initial state, the filter plate 202 at the left end is at the left end of the first sliding trough 101a, the filter plate 202 in the middle is at the intersection of the first sliding trough 101a and the second sliding trough 101b, and the filter plate 202 at the right end is at the right end of the second sliding trough 101b. The filter plate 202 at the right end can move synchronously with the filter plate 202 in the middle. When the filter plate 202 in the middle moves to the left end of the first sliding trough 101a, the filter plate 202 at the right end moves to the intersection of the first sliding trough 101a and the second sliding trough 101b; the filter housing 101 at the right end of the second sliding trough 101b is moved forward and backward. A connecting port 101d is provided at one end in the direction, and the filter housing 101 is connected to a transmission connecting plate 207 via the connecting port 101d. The upper and lower ends of the transmission connecting plate 207 are respectively provided with docking grooves 202c corresponding to the first sliding groove 101a. The roller 216 on the right filter plate 202 first passes through the docking groove 202c and rolls into the second sliding groove 101b, and can be connected to the filter plate 202 at the right end through the transmission connecting plate 207. When the transmission connecting plate 207 is pulled out of the filter housing 101, the transmission connecting plate 207 is separated from the filter plate 202 at the right end, and the middle filter plate 202 and the filter plate 202 at the right end move to the left at the same time.

[0043] A plurality of water-permeable holes are arranged on the door body 102 at the water inlet on the left end of the filter housing 101. The filter grille 201 is set to intercept large-sized garbage such as dead branches and rotten leaves floating in the water. The holes on the grilles around the filter housing 101 can only let in water, and large-sized garbage cannot enter the filter housing 101 on the right side of the filter grille 201; a plurality of floating balls are placed in the filter housing 101, and oil absorbents, oxidants, surfactants and other substances are added to the floating balls to remove oil and chemical substances on the surface of the river; the disassembly plate 208 and the transmission The connection between the connecting plate 207 and the filter housing 101 is a prior art and is not the invention point of the present application, and will not be described in detail in the present application. Taking the main view as the reference direction, the river water flows from left to right. The left side of the door body 102 at the left end is a high-lying area, and the right side of the door body 102 at the right end is a low-lying area. The river normally flows in one direction from the high-lying area to the low-lying area. The water filtered by the filter plate 202 at the rightmost end flows to the river area behind. The filter plate 202 is a filter for adsorbing nanoplastic microspheres. The filter layer and the filter plate 202 are of the prior art. The water entering the right side of the filter grid 201 passes through the three filter plates 202 arranged from left to right in sequence. The middle filter baffle and the filter plates 202 on both sides are staggered in height direction, which prolongs the residence time of the water in the filter housing 101 and enhances the removal efficiency. When the filter plate 202 needs to be replaced, only one filter plate 202 needs to be replaced each time, the connection between the disassembly plate 208 and the filter housing 101 is loosened, the disassembly plate 208 is removed, and the filter plate 202 at the far left is taken out. Insert the disassembly plate 208 into the filter housing 101 through the disassembly port 101c, fix the disassembly plate 208 on the filter housing 101, and move the two filter plates 202 with low microplastic adsorption rate to the left one filter position in turn, so that the original middle filter plate 202 is moved to the position of the original leftmost filter plate 202, and the original rightmost filter plate 202 is moved to the position of the original middle filter plate 202, and the new filter plate 202 is installed at the position of the original rightmost filter plate 202, thereby saving purification costs.

[0044] In actual implementation, Fig.14 As shown, a plurality of fixing columns 103 can be fixedly connected to the top of the filter housing 101, a fixing plate 104 is fixedly connected to the upper side of the fixing columns 103, the rear end of the fixing plate 104 exceeds the rear side of the filter housing 101, a connecting plate 104a is fixed to the rear end of the fixing plate 104 for convenient connection with the concrete on the river bank, and the filter housing 101 is in the river.

[0045] Example 2

[0046] Reference Figure 1-Figure 13, which is the second embodiment of the present invention. This embodiment is based on the previous embodiment and can further realize the movement of the two filter plates 202 on the right, so that the original filter plates 202 can be moved to a front filtering station. After the new filter plates 202 are inserted, the movable cross plate 211 can be connected to the two new filter plates 202 to realize the limiting of the two new filter plates 202 on the right.

[0047] Specifically, Figure 5 and Figure 6 As shown, the filter assembly 200 also includes a movable transverse plate 211 disposed on the inner side of the filter housing 101 and a swing rod 212 attached to the outer side of the filter housing 101. The swing rod 212 and the movable transverse plate 211 are hinged. A sliding port 101e is provided on the filter housing 101 between the disassembly port 101c and the connection port 101d for connecting and sliding the swing rod 212 and the movable transverse plate 211. A guide block 210 is fixedly connected to the outer side of the filter housing 101. A sliding rod 214 is slidably connected to the guide block 210. The swing rod 214 is hinged to the movable transverse plate 211. The end away from the movable horizontal plate 211 is hinged with a connecting rod 213, and a movable groove 213a is provided on the connecting rod 213. When the transmission connecting plate 207 is pulled out of the filter housing 101, the transmission connecting plate 207 can abut against one end of the sliding rod 214, and the other end of the sliding rod 214 is slidably connected to the connecting rod 213 through the movable groove 213a. The transmission connecting plate 207 is provided with a plugging groove 207c, and the end of the movable horizontal plate 211 away from the disassembly opening is just slidably connected to the transmission connecting plate 207 through the plugging groove 207c.

[0048] When the transmission connecting plate 207 is pulled out, the transmission connecting plate 207 abuts against the sliding rod 214, pushing the sliding rod 214 to move left, and the sliding rod 214 drives the connecting rod 213 to swing, and the connecting rod 213 drives the swing rod 212 to rotate left, and the swing rod 212 drives the movable cross plate 211 to move left. At this time, the movable cross plate 211 drives the two filter plates 202 on the right to move left. When the two filter plates 202 move one filtering position toward the direction of the filter grid 201, the movable cross plate 211 stops moving left, so that the movable cross plate 211 is separated from the two filter plates 202 on the right, and the movable cross plate 211 moves right and resets, and a new filter plate 202 is inserted through the connecting port 101d, and the transmission connecting plate 207 is inserted. The transmission connecting plate 207 is plugged into the connecting shaft 203 of the new filter plate 202 through the plug-in countersunk hole 207b, and then the transmission connecting plate 207 is fixedly connected to the filter housing 101.

[0049] Specifically, a first limit plate 210a is fixed on the guide block 210, a second limit plate 214a is fixed on the sliding rod 214 on the right side of the guide block 210, a first elastic member 209 is connected between the first limit plate 210a and the second limit plate 214a, a plug-in countersunk hole 207b corresponding to the connecting shaft 203 is also opened on the disassembly plate 208, a docking countersunk groove 202c corresponding to the second sliding countersunk groove 101b is opened on the right end of the disassembly plate 208, and the roller 216 on the middle filter plate 202 can roll into the docking countersunk groove 202c of the disassembly plate 208 along the second sliding countersunk groove 101b, and the transmission connecting plate 207 has installation holes at both ends in the height direction relative to the filter plate 202. The filter plate 202 has two movable grooves 202a corresponding to the installation grooves 207a at one end thereof relative to the transmission connecting plate 207. The installation grooves 207a are provided with plugging holes 207b on the transmission connecting plate 207 at one end thereof far away from the filter plate 202 in the front-to-back direction. The transmission connecting plate 207 is plugged with a connecting shaft 203 that can move forward and backward through the plugging holes 207b. A reset elastic member 217 is connected between the end of the connecting shaft 203 far away from the plugging holes 207b and the corresponding filter plate 202. The two connecting shafts 203 are symmetrically arranged about the center of the transmission connecting plate 207 in the height direction. The upper end surface of the upper connecting groove 203a faces the filter plate 20 2, an active cavity 202b is formed on the filter plate 202 between the two mounting sink grooves 207a, a moving rod 205 capable of moving left and right is slidably connected to the transmission connecting plate 207 at the active cavity 202b, and first inclined surfaces 205a are respectively provided at the upper and lower ends of the moving rod 205, and a lifting rod 204 capable of moving in the height direction is slidably connected to the transmission connecting plates 207 at the upper and lower ends of the moving rod 205, and the two lifting rods 204 are symmetrically arranged about the center of the active cavity 202b in the height direction, and a transmission part 204a is fixed at the lower end of the upper lifting rod 204, and the lower end of the upper transmission part 204a has a second inclined surface 205a matched with the first inclined surface 205a. Inclined surface 204a-1, the upper lifting rod 204 has a third inclined surface 204b that cooperates with the upper end surface of the upper connecting sink groove 203a. When the upper and lower lifting rods 204 move up and down respectively at the same time, the two lifting rods 204 respectively push the corresponding two connecting shafts 203 to leave the plug-in sink hole 207b; when the movable cross plate 211 moves toward the direction of the filter plate 202 at the left end, the movable cross plate 211 drives the movable rod 205 to move left. When the movable rod 205 moves to the left, the movable rod 205 pushes the upper lifting rod 204 to move up through the first inclined surface 205a at the upper end, and the movable rod 205 pushes the lower lifting rod 204 to move down through the first inclined surface 205a at the lower end.

[0050] Specifically, a movable groove connected to the movable cavity 202b is opened on one side of the movable transverse plate 211 relative to the movable cavity 202b, and a limit slider 206 that can move forward and backward is slidably connected to the movable transverse plate 211 at the movable groove. A second elastic member 215 is connected between the limit slider 206 and the movable transverse plate 211 at one end of the movable groove away from the movable cavity 202b. The end of the limit slider 206 away from the second elastic member 215 has a fourth inclined surface 206a. The left end is attached to the right side of the moving rod 205. When the limit slider 206 pushes the moving rod 205 to abut against the filter plate 202 on the left side of the active cavity 202b, the moving cross plate 211 continues to move to the left, and the moving cross plate 211 drives the two filter plates 202 on the right to move to the left through the limit slider 206; when the moving cross plate 211 moves to the right, the limit slider 206 can be completely pressed into the moving trough through the fourth inclined surface 206a, and the moving cross plate 211 and the corresponding filter plate 202 are separated.

[0051] When a new filter plate 202 needs to be replaced, the movable cross plate 211 is pushed to move toward the left end of the first sliding sink groove 101a, and the movable cross plate 211 squeezes the movable rod 205 to move to the left. The movable rod 205 pushes the lifting rods 204 at the upper and lower ends to move upward and downward respectively, and the lifting rods 204 push the corresponding connecting shaft 203 to move toward the direction of the filter plate 202. The reset elastic member 217 is compressed, and the connecting plate 104a leaves the plug-in sink hole 207b. The transmission connecting plate 207 is separated from the rightmost filter plate 202, and the movable rod 205 contacts the filter plate 202 on the left side of the active cavity 202b. The transmission connecting plate 207 and The bolts and other fasteners used to connect the filter housing 101 pull out the transmission connecting plate 207, and the transmission connecting plate 207 pushes the sliding rod 214 to move to the left. The sliding rod 214 drives the swing rod 212 to swing through the connecting rod 213, and the swing rod 212 drives the moving cross plate 211 to move to the left. The moving cross plate 211 drives the two filter plates 202 on the right to move to the left through the limiting slider 206. The roller 216 on the original middle filter plate 202 rolls down along the first sliding groove 101a, and the roller 216 on the original right filter plate 202 rolls up along the second sliding groove 101b. When the two filter plates 202 on the right move to the set The roller 216 on the original middle filter plate 202 rolls to the position of the lower end of the first sliding groove 101a, and the roller 216 on the original right filter plate 202 rolls to the intersection of the first sliding groove 101a and the second sliding groove 101b. The new filter plate 202 is inserted into the position of the right end of the original second sliding groove 101b through the connecting port 101d, and the transmission connecting plate 207 is inserted. The transmission connecting plate 207 is fixedly connected to the filter housing 101, and the connecting shaft 203 on the new filter plate 202 is inserted into the plug-in sink hole 207b of the transmission connecting plate 207. At the same time, the guide rod is in the first elastic member 20 9, the movable transverse plate 211 moves to the right, the limiting slider 206 is squeezed into the movable transverse plate 211 through the fourth inclined surface 206a, the second elastic member 215 is compressed, the limiting slider 206 is separated from the two filter plates 202 on the right, and the limiting slider 206 is reset under the action of the second elastic member 215. When the limiting slider 206 contacts the filter plate 202 again, it will be pressed into the movable transverse plate 211 until the movable transverse plate 211 contacts the transmission connecting plate 207. The limiting slider 206 extends into the corresponding filter plate 202 under the action of the second elastic member 215, and the connection between the transverse plate and the new filter plate 202 is realized;That is, each time, you only need to take out the filter plate 202 with the most microplastics adsorbed, and then move the two filter plates 202 with low microplastic adsorption rates to the left by one filtering station, so that the original middle filter plate 202 is moved to the position of the original leftmost filter plate 202, and the original rightmost filter plate 202 is moved to the position of the original middle filter plate 202, and the new filter plate 202 is installed at the position of the original rightmost filter plate 202, thereby saving purification costs. ;

[0052] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A device for removing microplastics in water, characterized in that: include, The main body component (100) comprises a filter housing (101), each surface of the filter housing (101) is a mesh grille, and the left end of the filter housing (101) is connected to an openable door (102); The filter assembly (200) comprises a filter grille (201) fixedly connected to the inner side of a filter housing (101) and arranged close to a door body (102); three filter plates (202) arranged in sequence from left to right are movably connected in the filter housing (101) on the side of the filter grille (201) away from the door body (102); a movable transverse plate (211) and a swing rod (212) attached to the outer side of the filter housing (101) are arranged on the inner side of the filter housing (101); the swing rod (212) and the movable transverse plate (211) are hinged; a sliding member for connecting and sliding the swing rod (212) and the movable transverse plate (211) is provided on the filter housing (101) between the disassembly opening (101c) and the connection opening (101d). The filter housing (101) is provided with a movable opening (101e), a guide block (210) is fixedly connected to the outside of the filter housing (101), a sliding rod (214) is slidably connected to the guide block (210), a connecting rod (213) is hingedly connected to one end of the swing rod (212) away from the movable horizontal plate (211), a movable groove (213a) is provided on the connecting rod (213), when the transmission connecting plate (207) is pulled out of the filter housing (101), the transmission connecting plate (207) can abut against one end of the sliding rod (214), the other end of the sliding rod (214) is slidably connected to the connecting rod (213) via the movable groove (213a), a plug-in groove (207c) is provided on the transmission connecting plate (207), and the movable horizontal plate (211) is away from the disassembly and assembly opening One end of the guide block (210) is just slidably connected to the transmission connection plate (207) through the plug groove (207c); a first limit plate (210a) is fixed on the guide block (210); a second limit plate (214a) is fixed on the sliding rod (214) on the right side of the guide block (210); a first elastic member (209) is connected between the first limit plate (210a) and the second limit plate (214a); both ends of the transmission connection plate (207) on the side opposite to the filter plate (202) in the height direction are provided with mounting recesses (207a); one end of the filter plate (202) on the side opposite to the transmission connection plate (207) is provided with two movable recesses (202a) corresponding to the mounting recesses (207a) in a one-to-one manner; and the mounting recesses (20 7a) A plugging countersunk hole (207b) is formed on a transmission connection plate (207) at one end away from the filter plate (202) in the front-to-back direction; a connecting shaft (203) that can move forward and backward is plugged into the transmission connection plate (207) through the plugging countersunk hole (207b); a reset elastic member (217) is connected between one end of the connecting shaft (203) away from the plugging countersunk hole (207b) and the corresponding filter plate (202); the two connecting shafts (203) are symmetrically arranged about the center of the transmission connection plate (207) in the height direction; the upper end surface of the upper connecting countersunk groove (203a) is inclined downward in the direction where the filter plate (202) is located; and a movable cavity (202b) is formed on the filter plate (202) between the two mounting countersunk grooves (207a).A moving rod (205) capable of moving left and right is slidably connected to a transmission connecting plate (207) at the movable cavity (202b), and first inclined surfaces (205a) are respectively provided at upper and lower ends of the moving rod (205). A lifting rod (204) capable of moving in a height direction is slidably connected to the transmission connecting plates (207) at the upper and lower ends of the moving rod (205), and the two lifting rods (204) are symmetrically arranged about the center of the movable cavity (202b) in the height direction, and a transmission part (204a) is fixed at the lower end of the upper lifting rod (204), and the lower end of the upper transmission part (204a) has a first inclined surface (205a) that cooperates with the first inclined surface (205a). The upper lifting rod (204) has a third inclined surface (204b) matched with the upper end surface of the upper connecting sink groove (203a). When the upper and lower lifting rods (204) move up and down respectively at the same time, the two lifting rods (204) push the corresponding two connecting shafts (203) to leave the plug-in sink hole (207b). When the movable horizontal plate (211) moves toward the direction of the filter plate (202) at the left end, the movable horizontal plate (211) drives the movable rod (205) to move leftward. When the movable rod (205) moves leftward, the movable rod (205) passes through the first inclined surface (205) at the upper end. a) pushing the upper lifting rod (204) upward, the moving rod (205) pushes the lower lifting rod (204) downward via the first inclined surface (205a) at the lower end, the moving transverse plate (211) is provided with a moving sink groove connected to the moving cavity (202b) on the side opposite to the moving cavity (202b), a limiting slider (206) capable of moving forward and backward is slidably connected to the moving transverse plate (211) at the moving sink groove, a second elastic member (215) is connected between the limiting slider (206) and the moving transverse plate (211) at the end of the moving sink groove away from the moving cavity (202b), and the limiting slider (206) is away from the second elastic member (215) One end of the movable rod (205) has a fourth inclined surface (206a), and the left end of the limiting slider (206) is attached to the right side of the movable rod (205). When the limiting slider (206) pushes the movable rod (205) to contact the filter plate (202) on the left side of the movable cavity (202b), and the movable transverse plate (211) continues to move left, the movable transverse plate (211) drives the two filter plates (202) on the right to move left through the limiting slider (206); when the movable transverse plate (211) moves right, the limiting slider (206) can be completely pressed into the movable sink through the fourth inclined surface (206a), and the movable transverse plate (211) and the corresponding filter plate (202) are separated.

2. The device for removing microplastics in water as claimed in claim 1, characterized in that: The three filter plates (202) are arranged obliquely from left to right, the middle filter plate (202) is higher than the left filter plate (202) and the right filter plate (202), a first channel is provided between the upper end of the left filter plate (202) and the inner wall at the top of the filter housing (101), a second channel is provided between the lower end of the middle filter plate (202) and the inner wall at the bottom of the filter housing (101), and a third channel is provided between the upper end of the right filter plate (202) and the inner wall at the top of the filter housing (101).

3. The device for removing microplastics in water as claimed in claim 2, characterized in that: The inner walls of the filter housing (101) at both ends in the front-to-back direction are respectively provided with two first sliding grooves (101a) and two second sliding grooves (101b); the two first sliding grooves (101a) are spaced apart and parallel to each other in the height direction; the two second sliding grooves (101b) are spaced apart and parallel to each other in the height direction; the first sliding groove (101a) is inclined downward from right to left; the right end of the first sliding groove (101a) and the left end of the second sliding groove (101b) intersect; the second sliding groove (101b) is inclined downward from left to right; the front and rear ends of the filter plate (202) are respectively rotatably connected with two pairs of rollers (216); each pair of rollers (216) is composed of two rollers (216) spaced apart in the height direction; the two pairs of rollers (216) on the middle filter plate (202) can respectively roll along the two first sliding grooves (101a); the right end of the first sliding groove (101a) and the left end of the second sliding groove (101b) intersect; the second sliding groove (101b) is inclined downward from left to right; The two pairs of rollers (216) on the filter plate (202) at the left end can respectively roll along the corresponding second sliding groove (101b); a disassembly opening (101c) is provided at one end of the filter housing (101) at the left end of the first sliding groove (101a) in the front-to-back direction so that the filter plate (202) can pass through; a disassembly plate (208) is detachably connected to the filter housing (101) outside the disassembly opening (101c) and is inserted into the disassembly opening (101c), covers one side of the filter plate (202) in the front-to-back direction and is connected to the filter plate (202); in an initial state, the filter plate (202) at the left end is at the left end of the first sliding groove (101a); the filter plate (202) in the middle is at the intersection of the first sliding groove (101a) and the second sliding groove (101b); and the filter plate (202) at the right end is at the right end of the second sliding groove (101b).

4. The device for removing microplastics in water as claimed in claim 3, characterized in that: The filter plate (202) at the right end can move synchronously with the filter plate (202) in the middle. When the filter plate (202) in the middle moves to the position at the left end of the first sliding trough (101a), the filter plate (202) at the right end moves to the intersection of the first sliding trough (101a) and the second sliding trough (101b).

5. The device for removing microplastics in water as claimed in claim 4, characterized in that: A connection port (101d) is provided at one end of the filter housing (101) at the right end of the second sliding trough (101b) in the front-to-back direction. The filter housing (101) is connected to a transmission connection plate (207) via the connection port (101d). The transmission connection plate (207) can be connected to the filter plate (202) at the right end. When the transmission connection plate (207) is pulled out of the filter housing (101), the transmission connection plate (207) is separated from the filter plate (202) at the right end, and the middle filter plate (202) and the filter plate (202) at the right end move to the left at the same time.

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