Automatic cleaning device for waste water resin trapper

Abstract

The utility model discloses a waste water resin trapper automatic cleaning device which comprises a containing body, a liquid inlet pipe is installed on the containing body, a liquid outlet is formed in the bottom of the containing body, a filter screen is arranged in the containing body, and a supporting frame is rotationally connected in the containing body. A motor used for driving the supporting frame to rotate is installed on the containing body, cleaning pieces are installed on the supporting frame in a discontinuous mode and comprise connecting pieces, the connecting pieces are installed on the supporting frame, and brushes making contact with the filter screen are installed on the connecting pieces. The broken resin can fall off from the gaps between the adjacent cleaning pieces in the cleaning process through the discontinuously installed cleaning pieces, so that the situation that the cleaning pieces cannot achieve the cleaning effect due to the fact that too much broken resin adheres to the cleaning pieces is prevented, the cleaning capacity is improved, the service life is prolonged, the maintenance cost is saved, the labor intensity of maintenance personnel is relieved, and the maintenance efficiency is improved. And the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of condensate polishing equipment in thermal power plants, in particular to an automatic cleaning device for a wastewater resin catcher. Background Art

[0002] Condensate in thermal power plants is formed by the condensation of steam in the steam turbine. During the unit's water-steam cycle, this condensate is typically contaminated to some degree. For safety and economic considerations, drum boilers and once-through boilers operating at subcritical pressures and above in thermal power plants are designed with condensate polishing systems.

[0003] In condensate polishing systems, ion exchange equipment used to remove dissolved salts from water generally utilizes a high-speed mixed bed. The mixed bed is filled with strong acid cation resin and strong base anion resin. Resin failure is typically treated by in vitro regeneration, where the spent resin is removed from the mixed bed to a dedicated regeneration unit. After regeneration and cleaning, the resin is returned to the mixed bed for operation. The wastewater resin trap is essential equipment in the polishing regeneration system. It houses a filter with a pore size significantly smaller than the resin. Its inlet is connected to the main sewage pipe of the regeneration tower, and its outlet discharges to a sewer. The wastewater resin trap is used to intercept resin leaks during the regeneration process, preventing it from entering the wastewater system and causing losses.

[0004] However, in the related art, the broken resin in the wastewater resin trap is easily clogged in the gaps on the filter surface, resulting in poor drainage in the resin trap and increased liquid level. Maintenance personnel are required to frequently disassemble the wastewater resin trap to clean the internal filter. The cleaning process is time-consuming and labor-intensive, the maintenance cost is too high, and production progress is delayed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide an automatic cleaning device for a wastewater resin trap.

[0006] The technical solution adopted by the utility model to solve its technical problems is: constructing an automatic cleaning device for a wastewater resin trap, comprising a containing body, a liquid inlet pipe is installed on the containing body, a liquid outlet is provided at the bottom of the containing body, a filter is provided in the containing body, a support frame is rotatably connected inside the containing body, a motor for driving the support frame to rotate is installed on the containing body, a cleaning piece is intermittently installed on the support frame, the cleaning piece includes a connecting piece, the connecting piece is installed on the support frame, and a brush in contact with the filter is installed on the connecting piece.

[0007] In some embodiments, the plurality of cleaning members are arranged on the support frame in a spiral pattern; or the plurality of cleaning members are arranged on the support frame in an axially symmetrical manner, or the plurality of cleaning members are arranged on the support frame in a longitudinally staggered manner and radially end to end manner.

[0008] In some embodiments, the connecting member is vertically slidably connected to the support frame, and a locking member is installed on the connecting member for locking the connecting member on the support frame.

[0009] In some embodiments, the support frame is in the shape of a planar frame, a cage, or a cylinder.

[0010] In some embodiments, at least the front end of the brush is arc-shaped.

[0011] In some embodiments, a plurality of brushes are mounted on the connecting member, and a first gap is provided between each of the brushes.

[0012] In some embodiments, the brush includes a brush plate, the brush plate is mounted on the connecting member, multiple columns of bristles are mounted on the brush plate, and a second gap is provided between adjacent columns of bristles.

[0013] In some embodiments, the liquid inlet pipe inside the container is an elbow, and the direction of the elbow is vertically downward.

[0014] In some embodiments, the container includes a cylinder, a cover plate is mounted on the cylinder, an annular groove is provided on the cover plate, and the cylinder is inserted into the annular groove.

[0015] In some embodiments, a liquid level detector is installed in the container, and a control box electrically connected to the liquid level detector and the motor is installed on the container.

[0016] The implementation of the utility model has the following beneficial effects: a liquid inlet pipe is installed on the containing body, a liquid outlet is provided at the bottom of the containing body, a filter screen is provided in the containing body, a support frame is rotatably connected to the containing body, a motor for driving the support frame to rotate is installed on the containing body, a cleaning piece is intermittently installed on the support frame, the cleaning piece includes a connecting piece, the connecting piece is installed on the supporting frame, a brush in contact with the filter screen is installed on the connecting piece, the motor drives the supporting frame to rotate around the filter screen, the supporting frame drives the connecting piece to rotate together, and the brush connected to the connecting piece also rotates, and the brush will clean the broken resin stuck on the filter screen during the rotation process, and the brush can reach into the filter screen. The gap between the cleaning parts can be used to clean the filter more neatly. The intermittently installed cleaning parts can reduce the volume of each cleaning part, reduce the amount of broken resin that each cleaning part contacts during the cleaning process, and thus alleviate the torque borne by each cleaning part during the rotation, making the cleaning part less likely to deform and extending its service life. The intermittently installed cleaning parts can allow broken resin to fall from the gap between adjacent cleaning parts during the cleaning process, thereby preventing the cleaning parts from being unable to perform the cleaning effect due to excessive sticking of broken resin, thereby improving cleaning ability, extending service life, saving maintenance costs, reducing the labor intensity of maintenance personnel, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0018] In the attached figure:

[0019] Figure 1 is a schematic cross-sectional view of an automatic cleaning device for a wastewater resin trap in some embodiments of the present invention;

[0020] Figure 2 It is a structural diagram of the support frame;

[0021] Figure 3 It is a schematic diagram of the structure of the cleaning piece;

[0022] Figure 4 yes Figure 1 A partial enlarged view of middle A.

[0023] Description of the marks in the figure

[0024] Container 1, cylinder 11, cover 12, liquid inlet pipe 2, liquid outlet 3, filter 4, support frame 5,

[0025] Cross stabilizing member 51 , motor 6 , cleaning member 7 , connecting member 71 , brush 72 , brush plate 721 , bristles 722 , second gap 723 , first gap 73 , locking member 74 , liquid level detector 8 , control box 9 . DETAILED DESCRIPTION

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings and are constructed and operated in specific directions. They are only for the convenience of describing the present technical solution and do not indicate that the devices or components referred to must have specific directions. Therefore, they should not be understood as limiting the present invention.

[0027] It should also be noted that, unless otherwise clearly specified and limited, terms such as "installed", "connected", "connected", "fixed", and "set" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrated; they can be mechanically connected or electrically connected; they can be directly connected or indirectly connected through an intermediate medium, and they can be internal connections between two elements or interactions between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intervening elements. The terms "first", "second", and "third" are only used to facilitate the description of the present technical solution and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", and "third" can explicitly or implicitly include one or more of these features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In the following description, specific details such as specific system structures and techniques are provided for purposes of illustration, not limitation, to facilitate a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid obscuring the description of the present invention with unnecessary detail.

[0029] See also Figure 1-Figure 3 The automatic cleaning device for wastewater resin trap in the first embodiment of the utility model includes a containing body 1, a liquid inlet pipe 2 is installed on the containing body 1, a liquid outlet 3 is provided at the bottom of the containing body 1, a filter screen 4 is provided in the containing body 1, a support frame 5 is rotatably connected in the containing body 1, a motor 6 for driving the support frame 5 to rotate is installed on the containing body 1, a cleaning member 7 is intermittently installed on the support frame 5, and the cleaning member 7 includes a connecting member 71, which is installed on the support frame 5, and a brush 72 in contact with the filter screen 4 is installed on the connecting member 71.

[0030] When the automatic cleaning device of the wastewater resin trap is in operation, the broken resin follows the wastewater into the containing body 1 from the liquid inlet pipe 2, the filter screen 4 will block the broken resin outside, and the wastewater will penetrate the filter screen and be discharged from the liquid outlet 3. Since the broken resin is sticky, it will stick to the gaps in the filter screen 4, causing the liquid level in the containing body 1 to rise. The filter screen 4 is cylindrical, and then the motor 6 is started. The motor 6 drives the support frame 5 to rotate around the filter screen 4 through a coupling or a gear set, and then the support frame 5 drives the cleaning parts 7 intermittently installed on its upper part to clean the broken resin stuck on the filter screen 4. The gaps on the filter screen 4 are cleaned out, and the wastewater is discharged from the liquid outlet 3, and then the broken resin stuck on the filter screen 4 can be cleaned inside the containing body 1. There is no need to frequently disassemble the wastewater resin trap and clean the filter screen, which reduces maintenance costs, reduces the labor intensity of maintenance personnel, improves production efficiency, and is more convenient and labor-saving.

[0031] Among them, cleaning parts 7 are intermittently installed on the support frame 5. The intermittently installed cleaning parts 7 are not connected to each other, and there is a gap between each cleaning part 7. Through the gaps between adjacent cleaning parts 7, the support frame 5 drives the cleaning parts 7 to rotate to clean the filter 4. The broken resin scraped off by the cleaning parts 7 is not easy to exist on the cleaning parts 7, and will fall down from the gaps between adjacent cleaning parts 7, so that the cleaning parts 7 can still have the cleaning ability after long-term use, and there is no need to frequently clean the cleaning parts 7, thereby extending the service life, reducing maintenance costs, and improving production efficiency.

[0032] Among them, the cleaning member 7 can be a sponge or a scraper. The cleaning member 7 contacts the filter 4 and moves with each other to clean the broken resin on the surface of the filter 4, thereby achieving the effect of cleaning the filter 4 inside the container 1. The sponge-type cleaning member 7 can reduce the wear on the filter 4, so that the filter 4 can maintain its filtering ability for a long time. The scraper-type cleaning member 7 can clean the broken resin stuck on the surface of the filter 4 more thoroughly, thereby reducing the number of times the filter 4 is cleaned and reducing maintenance costs.

[0033] Among them, the container 1 can be cylindrical or three-dimensional polygonal. The cylindrical container 1 can reduce the stickiness of broken resin and is more convenient to clean. The three-dimensional polygonal container 1 is easier to make, more stable during operation, suitable for more installation environments, and has low production costs.

[0034] The present application is achieved by installing a liquid inlet pipe 2 on the containing body 1, a liquid outlet 3 is provided at the bottom of the containing body 1, a filter screen 4 is provided in the containing body 1, a support frame 5 is rotatably connected in the containing body 1, a motor 6 for driving the support frame 5 to rotate is installed on the containing body 1, a cleaning member 7 is intermittently installed on the support frame 5, the cleaning member 7 includes a connecting member 71, the connecting member 71 is installed on the support frame 5, and a brush 72 in contact with the filter screen 4 is installed on the connecting member 71. The brush 72 can be inserted into the gap of the filter screen 4 to clean the filter screen 4 more neatly. The cleaning parts 7 installed intermittently can reduce the volume of each cleaning part 7, so that the amount of broken resin contacted by each cleaning part 7 during the cleaning process is reduced, thereby alleviating the torsional force borne by each cleaning part 7 during the rotation process, making the cleaning part 7 less likely to deform and extending the service life. The intermittently installed cleaning parts 7 can prevent the broken resin from falling from the gap between adjacent cleaning parts 7 during the cleaning process, thereby preventing the cleaning part 7 from being unable to play a cleaning effect due to excessive broken resin sticking to it, thereby improving the cleaning ability, extending the service life, saving maintenance costs, reducing the labor intensity of maintenance personnel, and improving production efficiency.

[0035] See also Figure 2 In some embodiments, multiple cleaning members 7 are arranged on the support frame 5 in a spiral manner; or multiple cleaning members 7 are arranged on the support frame 5 in an axially symmetrical manner, or multiple cleaning members 7 are arranged on the support frame 5 in a longitudinally staggered manner and radially connected end to end.

[0036] The present application arranges multiple cleaning parts 7 in a spiral manner at intervals on the support frame 5. The multiple cleaning parts 7 arranged in a spiral manner can rotate so that each cleaning part 7 passes through the same vertical tangent position of the filter 4 in turn, thereby alleviating the torque that each cleaning part 7 bears when cleaning the broken resin. After the first cleaning part 7 passes the same vertical tangent position of the filter 4, the excess broken resin that the first cleaning part 7 cannot clean will be pushed to the edge of the first cleaning part 7 and remain on the filter 4. After that, the second cleaning part 7 passes the same vertical tangent position of the filter 4, and will clean the broken resin remaining on the filter 4 again, thereby cleaning more thoroughly, and can also alleviate the torque that each cleaning part 7 bears, thereby improving the cleaning ability, extending the service life, and saving maintenance costs.

[0037] The present application arranges a plurality of cleaning parts 7 axially symmetrically on the support frame 5. The symmetrically arranged plurality of cleaning parts 7 can clean the same position of the filter 4 multiple times when the support frame 5 rotates the same number of circles, thereby being able to clean the filter 4 more thoroughly, thereby improving the cleaning effect and extending the service life.

[0038] The present application arranges multiple cleaning parts 7 on the support frame 5 in a longitudinally staggered and radially end-to-end manner, so that the multiple cleaning parts 7 are arranged in an S shape on the vertical cross-section. This increases the gap between adjacent cleaning parts 7 and does not miss any part of the cleaning filter 4 during the cleaning process, so that broken resin can fall out of the cleaning parts 7 more easily, and can also clean the filter 4 more thoroughly, further improving the service life and cleaning effect.

[0039] See also Figure 2 In some embodiments, the connecting member 71 is vertically slidably connected to the support frame 5, and a locking member 74 is installed on the connecting member 71 for locking the connecting member 71 on the support frame 5.

[0040] Among them, the locking member 74 can be a nut, and a thread is provided on the connecting member 71. The connecting member 71 is locked on the support frame 5 through the mutual cooperation between the nut and the thread. Similarly, the locking member 74 can also be a splint or a buckle to lock the connecting member 71 on the support frame 5 to prevent relative displacement between the connecting member 71 and the support frame 5, thereby making it more stable during operation and improving stability.

[0041] The present application is connected to the support frame 5 by a vertical sliding connection piece 71, and a locking piece 74 is installed on the connection piece 71 for locking the connection piece 71 on the support frame 5. By sliding the connection piece 71 up and down, the relative position of the brush 72 and the filter screen 4 in the vertical direction can be changed. After long-term use, when the brush 72 wears out, the brush 72 on the connection piece 71 can be replaced by loosening the locking piece 74, which makes the operation more convenient and reduces the labor intensity during maintenance. According to the degree of wear at different positions of the brush 72, the relative position of the brush 72 and the filter screen 4 in the vertical direction can be changed by sliding the connection piece 71 up and down, so that the part of the brush 72 with cleaning ability is always kept on the same horizontal plane as the part of the filter screen 4 that is more difficult to clean, thereby improving the utilization rate of the brush 72 and further reducing the maintenance cost.

[0042] See also Figure 2 and Figure 3 In some implementations, the support frame 5 is in the shape of a plane frame, a cage or a cylinder.

[0043] In this application, the support frame 5 is in the form of a flat frame. The flat frame-type support frame 5 can reduce the number of columns and reduce the adhesion with the broken resin during the rotation of the support frame 5, thereby facilitating the maintenance personnel to clean the support frame 5, reducing labor intensity and improving cleaning efficiency.

[0044] In the present application, the support frame 5 is in a cage shape, which can improve its own strength. Different shapes of cages can be selected according to the shape of the interior of the container 1, such as conical or elliptical, so that the scope of application is wider and more diverse, and the service life is longer.

[0045] In this application, the support frame 5 is cylindrical, and there are multiple liquid through holes on the cylindrical support frame 5. The cylindrical support frame 5 can be stable during rotation, and the liquid impact it receives will be reduced, so that the filter screen 4 can be cleaned stably for a long time, thereby improving stability and service life.

[0046] See also Figure 2 and Figure 3 In some implementations, at least the front end of the brush 72 is arc-shaped.

[0047] The present application sets at least the front end of the brush 72 to an arc shape. The arc-shaped brush 72 can fit the surface of the filter 4 more closely, thereby increasing the contact area with the filter 4 and enabling the brush 72 to further clean the filter 4, thereby improving the cleaning effect.

[0048] See also Figure 3 In some implementations, a plurality of brushes 72 are mounted on the connector 71 , and a first gap 73 is provided between each of the brushes 72 .

[0049] The present application installs multiple brushes 72 on the connecting member 71, and a first gap 73 is set between each of the brushes 72. The multiple brushes 72 can further alleviate the torque borne by each brush 72, thereby extending the service life. By setting the first gap 73 between each of the brushes 72, part of the broken resin cleaned by the brush 72 will enter the first gap 73. The lateral volume of the resin in the first gap 73 will increase, and the expanded volume will fall due to the impact of gravity and water flow after the brush 72 passes through, thereby alleviating the cleaning pressure of the brush 72, extending the service life of the brush 72, reducing maintenance costs, and improving work efficiency.

[0050] See also Figure 3 In some embodiments, the brush 72 includes a brush plate 721 , the connecting member 71 is mounted with the brush plate 721 , the brush plate 721 is mounted with multiple columns of bristles 722 , and a second gap 723 is provided between adjacent columns of bristles 722 .

[0051] The present application installs a brush plate 721 on the connecting member 71, and multiple columns of bristles 722 are installed on the brush plate 721. A second gap 723 is set between adjacent columns of bristles 722. The multiple columns of bristles 722 installed on the brush plate 721 can further improve the cleaning ability of the filter 4. The second gap 723 set between adjacent columns of bristles 722 can make each column of bristles 722 more likely to deform, so that the bristles 722 can fit more closely to the surface of the filter 4, further improving the cleaning ability, reducing cleaning time, reducing energy loss, and improving work efficiency.

[0052] See also Figure 1 In some embodiments, the liquid inlet pipe 2 inside the container 1 is an elbow, and the direction of the elbow is vertically downward.

[0053] In the present application, the liquid inlet pipe 2 inside the container 1 is set as an elbow, and the elbow is directed vertically downward. When wastewater enters the container 1 through the liquid inlet pipe 2, the vertically downward elbow can prevent the wastewater from directly impacting the filter 4, prevent the filter 4 from being deformed, and reduce the broken resin sticking to the filter, further extending the service life and reducing maintenance costs.

[0054] See also Figure 1 and Figure 4 In some embodiments, the container 1 includes a cylinder 11, a cover plate 12 is installed on the cylinder 11, and an annular groove is provided on the cover plate 12, and the cylinder 11 is inserted into the annular groove.

[0055] The present application is to install a cover plate 12 on the cylinder 11, and the cover plate 12 is provided with an annular groove. The cylinder 11 is inserted into the annular groove, and the cover plate 12 can be installed on the cylinder 11 by bolts and flanges. The cover plate 12 that is detachably installed on the cylinder 11 can facilitate maintenance personnel to clean the inside of the cylinder 11. When a large amount of broken resin is stored in the cylinder 11, the maintenance personnel open the cover plate 12, remove the motor 6, the support frame 5 and the cleaning piece 7 along with the cover plate 12, and then clean the inside of the cylinder 11, and then can clean the cleaning piece 7 and the inside of the cylinder 11 at the same time, thereby improving maintenance efficiency and making operation more convenient.

[0056] The present application provides an annular groove on the cover plate 12, and the cylinder 11 is inserted into the annular groove. The annular groove is used to limit the relative position of the cover plate 12 and the cylinder 11 in the horizontal direction, thereby making the operation more stable during the cleaning process, reducing the shaking of the cover plate 12, reducing noise, and improving the sealing between the cover plate 12 and the cylinder 11, thereby reducing the generation of noise and protecting the surrounding environment.

[0057] See also Figure 2 In some embodiments, a cross stabilizing member 51 is provided on the support frame 5 .

[0058] The present application provides a cross-stabilizing member 51 on the support frame 5. The cross-stabilizing member 51 supports the support frame 5 in the horizontal direction, thereby improving the stability of the support frame 5 during rotation, thereby extending the service life and making cleaning more thorough.

[0059] See also Figure 1 In some embodiments, a liquid level detector 8 is installed in the container 1, and a control box 9 electrically connected to the liquid level detector 8 and the motor 6 is installed on the container 1.

[0060] The present application is provided with a liquid level detector 8 installed in the container 1, and a control box 9 electrically connected to the liquid level detector 8 and the motor 6 is installed on the container 1. When the liquid level detector 8 detects that the wastewater level in the container 1 has risen to a set value, it indicates that the filter 4 is clogged and the wastewater cannot be discharged in time. Then the liquid level detector 8 transmits a signal to the control box 9, which energizes the motor 6. The motor 6 starts and drives the cleaning member 7 to clean the filter 4 through the support frame 5. After there is no broken resin blocking the filter 4, the wastewater is discharged and the liquid level of the container 1 is lowered. When the liquid level is lowered to the set value, the liquid level detector 8 transmits a signal to the control box 9, which cuts off the power to the motor 6 and stops the motor 6. By repeating the above steps, energy loss can be reduced and cleaning costs can be reduced.

[0061] It can be understood that the above embodiments only express the preferred implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the present invention. It should be pointed out that for ordinary technicians in this field, without departing from the concept of the present invention, the above technical features can be freely combined, and several deformations and improvements can be made, all of which fall within the scope of protection of the present invention. Therefore, all equivalent changes and modifications made to the scope of the claims of the present invention should fall within the scope of coverage of the claims of the present invention.

Claims

1. An automatic cleaning device for a wastewater resin trap, comprising a container (1), a liquid inlet pipe (2) installed on the container (1), a liquid outlet (3) provided at the bottom of the container (1), and a filter (4) provided inside the container (1), characterized in that: A support frame (5) is rotatably connected in the housing (1), a motor (6) for driving the support frame (5) to rotate is installed on the housing (1), a cleaning member (7) is intermittently installed on the support frame (5), and the cleaning member (7) includes a connecting member (71), the connecting member (71) is installed on the support frame (5), and a brush (72) in contact with the filter (4) is installed on the connecting member (71).

2. The automatic cleaning device for wastewater resin trap according to claim 1, characterized in that: A plurality of the cleaning members (7) are arranged on the support frame (5) in a spiral manner at intervals; or a plurality of the cleaning members (7) are arranged on the support frame (5) in an axisymmetric manner, or a plurality of the cleaning members (7) are arranged on the support frame (5) in a longitudinally staggered manner and radially end-to-end manner.

3. The automatic cleaning device for wastewater resin trap according to claim 1, characterized in that: The connecting member (71) is vertically slidably connected to the support frame (5), and a locking member (74) is installed on the connecting member (71) for locking the connecting member (71) on the support frame (5).

4. The automatic cleaning device for wastewater resin trap according to claim 1, characterized in that: The support frame (5) is in the shape of a plane frame, a cage or a cylinder.

5. The automatic cleaning device for wastewater resin trap according to claim 2, characterized in that: At least the front end of the brush (72) is in an arc shape.

6. The automatic cleaning device for wastewater resin trap according to claim 2, characterized in that: A plurality of brushes (72) are mounted on the connecting member (71), and a first gap (73) is provided between each of the brushes (72).

7. The automatic cleaning device for wastewater resin trap according to claim 1, characterized in that: The brush (72) comprises a brush plate (721), the brush plate (721) is mounted on the connecting member (71), a plurality of columns of bristles (722) are mounted on the brush plate (721), and a second gap (723) is provided between adjacent columns of the bristles (722).

8. The automatic cleaning device for wastewater resin trap according to claim 1, characterized in that: The liquid inlet pipe (2) inside the container (1) is an elbow, and the direction of the elbow is vertically downward.

9. The automatic cleaning device for wastewater resin trap according to claim 1, characterized in that: The accommodating body (1) comprises a cylinder (11), a cover plate (12) is mounted on the cylinder (11), an annular groove is provided on the cover plate (12), and the cylinder (11) is inserted into the annular groove.

10. The automatic cleaning device for wastewater resin trap according to any one of claims 1 to 9, characterized in that: A liquid level detector (8) is installed in the container (1), and a control box (9) electrically connected to the liquid level detector (8) and the motor (6) is installed on the container (1).

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