Grille machine device for municipal sewage treatment

Abstract

The utility model relates to a grillage machine device for municipal sewage treatment, which is characterized in that the grillage machine device comprises a conveying grillage mechanism, a cleaning mechanism and a filter pressing mechanism, the conveying grating mechanism comprises a frame, rake teeth, a motor and a transmission mechanism; the cleaning mechanism is arranged below the top end of the frame; the cleaning mechanism comprises a fixed plate, a rotating shaft, a third chain wheel and a cleaning brush; the two fixing plates are fixedly installed on the two sides of the frame correspondingly. The two ends of the rotating shaft are rotationally connected with the inner sides of the two fixing plates correspondingly. The outer ring of the rotating shaft is provided with a cleaning brush for cleaning sewage and sundries on the conveying grid mechanism; the filter pressing mechanism is arranged below the cleaning mechanism; and a material guide plate is arranged between the filter pressing mechanism and the cleaning mechanism. The cleaning effect of the grillage machine is improved; the condition that excessive sewage is contained in sewage sundries is avoided, and the solid-liquid separation effect of the sewage is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal sewage treatment, and specifically relates to a grille machine device for municipal sewage treatment. Background Art

[0002] In municipal sewage treatment, large substances in the sewage must be removed first to ensure the subsequent treatment effect of the sewage. Currently, the grille machine is used to remove large substances in the sewage. The grille machine is a solid-liquid separation device that can continuously remove debris in the fluid. It is an indispensable special device for urban sewage treatment and is a commonly used solid-liquid screening device in China at present.

[0003] Typically, a Chinese patent application with the application number CN217627648U and the name "Efficient Sewage Treatment Grille Machine", which relates to the technical field of sewage treatment, discloses the following technical features: including a water tank and a frame. The bottom end of the frame is installed inside the water tank. A limit block is provided at the bottom end of the frame. An overload protection device is provided at the side end of the frame. A motor is installed at the top end of the frame, and one end of the motor is connected to the side end of the overload protection device. A grille chain is provided on the surface of the frame, and the grille chain is movably connected to the frame through a rotating shaft. A cleaning device is provided inside the frame, and one end of the cleaning device is connected to the bottom end inside the frame, and the other end abuts against the grille chain.

[0004] Typically, a Chinese patent application with the application number CN214880310U and the name "Recovery Device for Sewage Treatment Grille Tank", which relates to the technical field of sewage treatment, discloses the following technical features: including a tank body. A mechanical grille is provided inside the tank body. A collection bucket is provided at the discharge place of the mechanical grille. A support is fixedly installed on the ground, and a connecting piece is connected between the support and the collection bucket.

[0005] The defects of the prior art are as follows:

[0006] 1. Since the prior art municipal sewage grille machine has no stable device for recovering debris, the cleaning effect of the grille machine is affected, resulting in environmental pollution.

[0007] 2. Since the solid debris recovered by the prior art municipal sewage grille machine contains a high amount of sewage, the solid-liquid separation effect is poor, polluting the surrounding environment. Summary of the Invention

[0008] In view of the above problems, the utility model provides a grille machine device for municipal sewage treatment, aiming to improve the cleaning effect of the grille machine; avoid excessive sewage in the sewage debris, and improve the solid-liquid separation effect of the sewage.

[0009] To solve the above problems, the technical solution provided by the utility model is as follows:

[0010] The grille machine device for municipal sewage treatment includes a conveying grille mechanism and a cleaning mechanism, where:

[0011] The conveying grille mechanism is installed at the inner pool opening of the pool; the conveying grille mechanism includes a frame, rake teeth, a motor, and a transmission mechanism;

[0012] The frame extends obliquely downward to the bottom of the pool; the rake teeth are arranged on the inner side of the frame from top to bottom;

[0013] The motor is installed on the upper surface of the top of the frame;

[0014] One end of the conveying grille mechanism is fixedly connected to the output end of the motor, and the other end is in transmission connection with the rake teeth;

[0015] The cleaning mechanism is arranged below the top end of the frame; the cleaning mechanism includes a fixing plate, a rotating shaft, a third sprocket, and a cleaning brush;

[0016] There are two fixing plates, which are respectively fixedly installed on both sides of the frame;

[0017] Both ends of the rotating shaft are rotatably connected to the inner sides of the two fixing plates; the cleaning brush for cleaning sewage and sundries on the conveying grille mechanism is installed on the outer ring of the rotating shaft; one end of the rotating shaft extends to the outside of one of the fixing plates and is then fixedly connected to the third sprocket;

[0018] The third sprocket is in transmission connection with the transmission mechanism through a chain.

[0019] Preferably, it includes a filter pressing mechanism; the filter pressing mechanism is arranged below the cleaning mechanism; a guide plate is arranged between the filter pressing mechanism and the cleaning mechanism;

[0020] The filter pressing mechanism includes a filter pressing box, a feed inlet, a discharge outlet, a filter screen, a pressing component, and a pushing component, where:

[0021] The filter pressing box is installed on the top of the pool;

[0022] The feed inlet is arranged on one side of the filter pressing box close to the conveying grille mechanism;

[0023] The discharge outlet is arranged at a position close to the bottom at the front end of the filter pressing box;

[0024] The pressing component is arranged on the top of the filter pressing box;

[0025] The pushing component is arranged on the back of the filter pressing box;

[0026] The filter screen is installed at the bottom of the filter pressing box;

[0027] The material guiding plate is arranged below the cleaning mechanism; the material guiding plate is inclined; the high end of the material guiding plate is fixedly connected to the frame, and the other end is fixedly connected to the bottom position of the feeding port on the outer wall of the pressure filter tank.

[0028] Preferably, first baffles for preventing sewage and sundries from separating during transportation are arranged on both sides of the upper surface of the material guiding plate.

[0029] Preferably, a liquid collecting cover is installed at the bottom of the pressure filter tank outside the filter screen; the liquid outlet of the liquid collecting cover is connected to the water tank through a drain pipe.

[0030] Preferably, the pressing component includes a first driving member and a pressing plate; the first driving member is installed on the top of the pressure filter tank; the output end of the first driving member penetrates through the top of the pressure filter tank and is then fixedly connected to the pressing plate arranged inside the pressure filter tank.

[0031] Preferably, the pushing component includes a second driving member and a pushing plate; the second driving member is installed on the back of the pressure filter tank; the output end of the second driving member penetrates through the side wall of the pressure filter tank and is then fixedly connected to the pushing plate arranged inside the pressure filter tank.

[0032] Preferably, a liquid blocking block for preventing sewage from directly discharging from the discharge port is arranged at the lower edge of the discharge port at the bottom end inside the pressure filter tank.

[0033] Preferably, a discharge plate is installed at the lower edge of the discharge port on the outer wall of the pressure filter tank; the discharge plate is inclined; the high end of the discharge plate is fixedly connected to the pressure filter tank;

[0034] A collection box is arranged at the position below the discharge plate on the top of the water tank.

[0035] Preferably, second baffles for preventing sewage and sundries from separating during transportation are arranged on both sides of the upper surface of the discharge plate.

[0036] Preferably, the transmission mechanism includes a first sprocket, a transmission shaft, and a second sprocket;

[0037] The first sprocket is fixedly connected to the output end of the motor;

[0038] The transmission shaft is arranged at the top end of the frame and is rotationally connected to the frame; one end of the transmission shaft extends to the outside of the frame and is then fixedly connected to the second sprocket;

[0039] The first sprocket and the second sprocket are connected by the chain for transmission.

[0040] Compared with the prior art, the utility model has the following advantages:

[0041] 1. Due to the grid for municipal sewage treatment of the utility model, through the arranged cleaning mechanism, when the conveying grid mechanism works, the cleaning brush can clean the sewage and sundries on the conveying grid mechanism, thereby improving the cleaning effect of the conveying grid mechanism.

[0042] 2. Due to the grid for municipal sewage treatment of the utility model, through the arranged pressure filtration mechanism to carry out pressure filtration treatment on the sewage and sundries, the sewage filtered out from the sewage and sundries is collected through the liquid collecting cover and conveyed back to the water tank through the liquid discharge pipe, and the sewage and sundries after the pressure filtration treatment are discharged from the discharge port through the pushing component, thereby avoiding too much sewage in the sewage and sundries and improving the sewage solid-liquid separation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a top view schematic diagram of the grid for municipal sewage treatment in a specific embodiment of the utility model;

[0044] Figure 2 It is a side view schematic diagram of the grid for municipal sewage treatment in a specific embodiment of the utility model;

[0045] Figure 3 It is an elevation view schematic diagram of the grid for municipal sewage treatment in a specific embodiment of the utility model;

[0046] Figure 4 It is a structural schematic diagram of the cleaning mechanism in a specific embodiment of the utility model;

[0047] Figure 5 It is an internal structural schematic diagram of the pressure filtration mechanism in a specific embodiment of the utility model.

[0048] Wherein: 1. water tank, 2. conveying grid mechanism, 21. frame, 22. rake teeth, 23. motor, 24. transmission mechanism, 241. first sprocket, 242. transmission shaft, 243. second sprocket, 3. cleaning mechanism, 31. fixed plate, 32. rotating shaft, 33. third sprocket, 34. cleaning brush, 4. pressure filtration mechanism, 41. pressure filtration box, 42. feed inlet, 43. discharge port, 44. filter screen, 45. pressure material component, 451. first driving part, 452. pressing plate, 46. pushing component, 461. second driving part, 462. pushing plate, 463. liquid blocking block, 47. liquid collecting cover, 48. liquid discharge pipe, 49. discharge plate, 5. material guiding plate, 6. collecting box. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0049] The present invention will be further illustrated below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. After reading the present invention, various equivalent forms of modification made by those skilled in the art fall within the scope defined by the appended claims of this application.

[0050] As Figure 1 、 Figure 2 、 Figure 3 shown, the grille machine device for municipal sewage treatment includes a conveying grille mechanism (2) and a cleaning mechanism (3), wherein:

[0051] The conveying grille mechanism (2) is installed at the inner pool opening of the pool (1); the conveying grille mechanism (2) includes a frame (21), rake teeth (22), a motor (23), and a transmission mechanism (24).

[0052] The frame (21) extends obliquely downward to the bottom of the pool (1); the rake teeth (22) are arranged on the inner side of the frame (21) from top to bottom.

[0053] The motor (23) is installed on the upper surface of the top of the frame (21).

[0054] One end of the conveying grille mechanism (2) is fixedly connected to the output end of the motor (23), and the other end is in transmission connection with the rake teeth (22).

[0055] As Figure 2 and Figure 4 shown, the cleaning mechanism (3) is arranged below the top end of the frame (21); the cleaning mechanism (3) includes a fixing plate (31), a rotating shaft (32), a third sprocket (33), and a cleaning brush (34).

[0056] There are two fixing plates (31), which are respectively fixedly installed on both sides of the frame (21).

[0057] Both ends of the rotating shaft (32) are rotatably connected to the inner sides of the two fixing plates (31); a cleaning brush (34) for cleaning sewage and sundries on the conveying grille mechanism (2) is installed on the outer ring of the rotating shaft (32); one end of the rotating shaft (32) extends to the outside of one fixing plate (31), and then is fixedly connected to the third sprocket (33).

[0058] The third sprocket (33) is in chain drive connection with the transmission mechanism (24).

[0059] It should be noted that the transmission mechanism (24) includes a first sprocket (241), a transmission shaft (242), and a second sprocket (243).

[0060] The first sprocket (241) is fixedly connected to the output end of the motor (23).

[0061] The drive shaft (242) is arranged at the top of the frame (21) and is rotatably connected to the frame (21); one end of the drive shaft (242) extends to the outside of the frame (21) and is then fixedly connected to the second sprocket (243).

[0062] The first sprocket (241) and the second sprocket (243) are connected by a chain drive.

[0063] It should be further noted that the conveying grille mechanism 2 includes a driving roller, a driven roller and a driven shaft; the driving roller is fixedly sleeved on the outside of the drive shaft 242, and the driving roller is arranged at the top inside the rake teeth 22; the driven shaft rotates on the frame 21, and a driven roller is fixedly sleeved on the outside of the driven shaft; the driven roller is arranged at the bottom inside the rake teeth 22; the first sprocket 241 is driven to rotate by the motor 23, and then the first sprocket 241 drives the second sprocket 243 and the drive shaft 242 to rotate through the chain, thereby driving the driving roller to rotate; further, the rake teeth 22 are driven to rotate, so as to convey the sewage in the pool 1 and separate the solid and liquid of the sewage.

[0064] It should be further noted that the first sprocket 241 and the third sprocket 33 are connected by a chain drive; when the conveying grille mechanism 2 works, the third sprocket 33 is driven to rotate by the chain; then the third sprocket 33 drives the rotating shaft 32 to rotate, thereby driving the cleaning brush 34 to rotate; further, the cleaning brush 34 can clean the sewage and sundries on the conveying grille mechanism 2, improving the cleaning effect of the sundries on the conveying grille mechanism 2.

[0065] As Figure 1 、 Figure 2 、 Figure 5 As shown in, it should be noted that the grille machine device for municipal sewage treatment further includes a filter pressing mechanism (4); the filter pressing mechanism (4) is arranged below the cleaning mechanism (3); a guide plate (5) is arranged between the filter pressing mechanism (4) and the cleaning mechanism (3).

[0066] The filter pressing mechanism (4) includes a filter pressing box (41), a feed inlet (42), a discharge outlet (43), a filter screen (44), a pressing component (45) and a pushing component (46), where:

[0067] The filter pressing box (41) is installed on the top of the pool (1).

[0068] The feed inlet (42) is arranged on one side of the filter pressing box (41) close to the conveying grille mechanism (2).

[0069] The discharge outlet (43) is arranged at a position close to the bottom at the front end of the filter pressing box (41).

[0070] The pressing component (45) is arranged on the top of the filter pressing box (41).

[0071] The pushing component (46) is arranged on the back of the filter press tank (41).

[0072] The filter screen (44) is installed at the bottom of the filter press tank (41).

[0073] The material guiding plate (5) is arranged below the cleaning mechanism (3); the material guiding plate (5) is inclined; the high end of the material guiding plate (5) is fixedly connected to the frame (21), and the other end is fixedly connected to the bottom position of the feeding port (42) on the outer wall of the filter press tank (41).

[0074] It should be further noted that the sewage sundries separated on the conveying grille mechanism 2 and the sewage sundries cleaned on the cleaning mechanism 3 are conveyed through the material guiding plate 5 and then enter the filter press tank 41 from the feeding port 42; the sewage sundries are subjected to filter pressing treatment by the pressing component 45 and the filter screen 44; the sewage sundries after the filter pressing treatment are discharged from the discharge port 43 through the pushing component 46, so as to avoid excessive sewage in the sewage sundries and improve the sewage solid-liquid separation effect.

[0075] It should be further noted that first baffles for preventing the sewage sundries from separating during the conveying process are arranged on both sides of the upper surface of the material guiding plate (5).

[0076] It should be noted that a liquid collecting cover (47) is installed at the outer side position of the filter screen (44) at the bottom of the filter press tank (41); the liquid outlet (471) of the liquid collecting cover (47) is connected to the water tank (1) through a liquid discharge pipe (48).

[0077] It should be further noted that a liquid blocking block (463) for preventing sewage from directly discharging from the discharge port (43) is arranged at the lower edge of the discharge port (43) at the bottom end inside the filter press tank (41), so as to avoid polluting the surrounding environment.

[0078] Such as Figure 1 、 Figure 2 、 Figure 5 As shown, it should be further noted that a discharge plate (49) is installed at the lower edge of the discharge port (43) on the outer wall of the filter press tank (41); the discharge plate (49) is inclined; the high end of the discharge plate (49) is fixedly connected to the filter press tank (41).

[0079] A collection box (6) is arranged at the position below the discharge plate (49) on the top of the water tank (1).

[0080] It should be further noted that second baffles for preventing the sewage sundries from separating during the conveying process are arranged on both sides of the upper surface of the discharge plate (49).

[0081] It should be further noted that the sewage and sundries discharged from the filter press box 41 are conveyed to the collection box 6 through the discharge plate 49, which is convenient for centralized collection and treatment of the sewage and sundries.

[0082] It should be further noted that the sewage filtered out from the sewage and sundries is collected by the liquid collection hood 47 and then conveyed back to the water tank 1 through the drain pipe 48, which is convenient for subsequent centralized treatment of the sewage.

[0083] As Figure 5 shown, it should be noted that the pressing component (45) includes a first driving member (451) and a pressing plate (452); the first driving member (451) is installed on the top of the filter press box (41); the output end of the first driving member (451) penetrates through the top of the filter press box (41) and is then fixedly connected to the pressing plate (452) arranged inside the filter press box (41).

[0084] It should be further noted that the pressing plate 452 is driven by the first driving member 451 to move downward, so as to press and filter the sewage and sundries through the pressing plate 452.

[0085] It should be noted that the pushing component (46) includes a second driving member (461) and a pushing plate (462); the second driving member (461) is installed on the back of the filter press box (41); the output end of the second driving member (461) penetrates through the side wall of the filter press box (41) and is then fixedly connected to the pushing plate (462) arranged inside the filter press box (41).

[0086] It should be further noted that after the sewage and sundries are pressed and filtered, the pushing plate 462 is driven by the second driving member 461 to move towards the discharge port 43, which is convenient for discharging the sewage and sundries.

[0087] It should be noted that the control mode of the device of the present utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming of those skilled in the art.

[0088] It should be noted that the implementation principle of the grid machine device for municipal sewage treatment of the present utility model is as follows:

[0089] The solid-liquid separation of the sewage is realized through the conveying grid mechanism 2.

[0090] When the conveying grid mechanism 2 is working, the third sprocket 33 is driven to rotate by the chain, and then the third sprocket 33 drives the rotating shaft 32 to rotate, so as to drive the cleaning brush 34 to rotate, and further enable the cleaning brush 34 to clean the sewage and sundries on the conveying grid mechanism 2.

[0091] The separated sewage debris on the conveying grille mechanism 2 and the sewage debris cleaned by the cleaning mechanism 3 are conveyed through the guide plate 5; enter the filter press tank 41 from the feed inlet 42; then the first driving member 451 drives the pressing plate 452 to move downward, so as to perform a filtering and pressing treatment on the sewage debris through the pressing plate 452; filter through the filter screen 44, and the sewage filtered out from the sewage debris is collected by the liquid collecting cover 47, and then conveyed back to the water tank 1 through the drain pipe 48.

[0092] After the filtering and pressing of the sewage debris is completed, the second driving member 461 drives the pushing plate 462 to move towards the discharge port 43, discharges the sewage debris from the discharge port 43, and conveys it to the collection box 6 through the discharge plate 49, which is convenient for centralized collection and treatment of the sewage debris.

[0093] In the above detailed description, various features are combined in a single embodiment to simplify the present disclosure. This method of disclosure should not be construed as reflecting an intention that the embodiments of the claimed subject matter require more features than those clearly stated in each claim. On the contrary, as reflected in the appended claims, the present invention is in a state with fewer features than all the features of the disclosed single embodiment. Therefore, the appended claims are hereby clearly incorporated into the detailed description, where each claim stands alone as a separate preferred embodiment of the present invention.

[0094] In order to enable any person skilled in the art to implement or use the present invention, the above-described disclosed embodiments have been described. For those skilled in the art; various modification methods of these embodiments are obvious, and the general principles defined herein can also be applied to other embodiments without departing from the spirit and protection scope of the present disclosure. Therefore, the present disclosure is not limited to the embodiments given herein, but is consistent with the broadest scope of the principles and novel features disclosed in this application.

[0095] The above description includes examples of one or more embodiments. Of course, it is impossible to describe all possible combinations of components or methods for the purpose of describing the above embodiments, but those of ordinary skill in the art should recognize that the various embodiments can be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the protection scope of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, the coverage of this term is similar to the term "including", as explained when "including" is used as a linking word in the claims. In addition, any term "or" used in the claims or the specification is intended to mean "non-exclusive or".

[0096] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above description is only for the specific embodiments of the present invention and is not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A screen machine device for municipal sewage treatment, characterized in that: It comprises a conveying grid mechanism (2) and a cleaning mechanism (3), wherein: The conveying grid mechanism (2) is installed at the inner pool opening of the pool (1); the conveying grid mechanism (2) comprises a frame (21), rake teeth (22), a motor (23), and a transmission mechanism (24); The frame (21) extends obliquely downward to the bottom of the pool (1); the inner side of the frame (21) is provided with the rake teeth (22) from top to bottom; The motor (23) is mounted on the upper surface of the top of the frame (21); One end of the conveying grid mechanism (2) is fixedly connected to the output end of the motor (23), and the other end is drivingly connected to the rake teeth (22); The cleaning mechanism (3) is arranged below the top end of the frame (21); the cleaning mechanism (3) comprises a fixed plate (31), a rotating shaft (32), a third sprocket (33) and a cleaning brush (34); The fixing plates (31) are provided with two and are respectively fixedly mounted on two sides of the frame (21); The two ends of the rotating shaft (32) are respectively rotatably connected to the inner sides of the two fixed plates (31); the outer ring of the rotating shaft (32) is provided with the cleaning brush (34) for cleaning sewage and debris on the conveying grid mechanism (2); one end of the rotating shaft (32) extends to the outer side of one of the fixed plates (31) and is then fixedly connected to the third sprocket (33); The third sprocket (33) is connected to the transmission mechanism (24) via a chain transmission.

2. The screen machine device for municipal sewage treatment according to claim 1, characterized in that: It comprises a filter pressing mechanism (4); the filter pressing mechanism (4) is arranged below the cleaning mechanism (3); a material guide plate (5) is arranged between the filter pressing mechanism (4) and the cleaning mechanism (3); The filter press mechanism (4) comprises a filter press box (41), a feed inlet (42), a discharge outlet (43), a filter screen (44), a material pressing component (45) and a material pushing component (46), wherein: The filter press box (41) is installed on the top of the water pool (1); The feed inlet (42) is arranged on a side of the filter press box (41) close to the conveying grid mechanism (2); The discharge port (43) is arranged at the front end of the filter press box (41) near the bottom; The material pressing assembly (45) is arranged on the top of the filter press box (41); The material pushing assembly (46) is arranged at the back of the filter press box (41); The filter screen (44) is installed at the bottom of the filter press box (41); The guide plate (5) is arranged below the cleaning mechanism (3); the guide plate (5) is arranged at an angle; a higher end of the guide plate (5) is fixedly connected to the frame (21), and the other end is fixedly connected to the bottom position of the feed port (42) on the outer wall of the filter press box (41).

3. The screen machine device for municipal sewage treatment according to claim 2, characterized in that: First baffles are provided on both sides of the upper surface of the guide plate (5) for preventing sewage and debris from escaping during the transportation process.

4. The screen machine device for municipal sewage treatment according to claim 3, characterized in that: A liquid collecting cover (47) is installed at the bottom of the filter press box (41) at a position outside the filter screen (44); the liquid outlet (471) of the liquid collecting cover (47) is connected to the water pool (1) via a liquid discharge pipe (48).

5. The screen machine device for municipal sewage treatment according to claim 4, characterized in that: The material pressing assembly (45) comprises a first driving member (451) and a pressing plate (452); the first driving member (451) is installed on the top of the filter press box (41); the output end of the first driving member (451) passes through the top of the filter press box (41), and is then fixedly connected to the pressing plate (452) arranged inside the filter press box (41).

6. The screen machine device for municipal sewage treatment according to claim 5, characterized in that: The pushing assembly (46) comprises a second driving member (461) and a pushing plate (462); the second driving member (461) is installed on the back of the filter press box (41); the output end of the second driving member (461) passes through the side wall of the filter press box (41), and is then fixedly connected to the pushing plate (462) arranged inside the filter press box (41).

7. The screen machine device for municipal sewage treatment according to claim 6, characterized in that: A liquid blocking block (463) is provided at the bottom end of the filter press box (41) at the lower edge of the discharge port (43) for preventing sewage from being directly discharged from the discharge port (43).

8. The screen machine device for municipal sewage treatment according to claim 7, characterized in that: A discharge plate (49) is installed on the outer wall of the filter press box (41) at the lower edge of the discharge port (43); the discharge plate (49) is arranged in an inclined manner; the higher end of the discharge plate (49) is fixedly connected to the filter press box (41); A collecting box (6) is provided on the top of the water pool (1) below the discharge plate (49).

9. The screen machine device for municipal sewage treatment according to claim 8, characterized in that: Second baffles are provided on both sides of the upper surface of the discharge plate (49) to prevent sewage and debris from escaping during transportation.

10. The screen machine device for municipal sewage treatment according to claim 9, characterized in that: The transmission mechanism (24) comprises a first sprocket (241), a transmission shaft (242), and a second sprocket (243); The first sprocket (241) is fixedly connected to the output end of the motor (23); The transmission shaft (242) is arranged at the top end of the frame (21) and is rotatably connected to the frame (21); one end of the transmission shaft (242) extends to the outside of the frame (21) and is then fixedly connected to the second sprocket (243); The first sprocket (241) and the second sprocket (243) are connected via the chain transmission.

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