Environment-friendly grillage machine for sewage treatment

Abstract

The utility model relates to the technical field of grillage machines, and discloses an environment-friendly grillage machine for sewage treatment, which comprises a casing, the casing is composed of a slide-shaped plate and safe edges symmetrically arranged on two sides of the slide-shaped plate, a motor is fixedly mounted on the safe edge on one side of the casing, a cleaning structure is arranged on the slide-shaped plate of the casing, and the motor is fixedly mounted on the safe edge on the other side of the casing. The cleaning device comprises a transmission edge, a belt block, a filter screen, a filter tank, an outer brush roller and a brush ring, the transmission edge is in transmission connection between the symmetrical safe edges of the machine shell, the belt block is fixedly connected to the wall face of the transmission edge, the filter screen is fixedly connected to the wall face of the transmission edge, the filter tank is formed in the top of the filter screen, the outer brush roller is rotationally connected between the symmetrical safe edges, and the brush ring is fixedly connected to the wall face of the outer brush roller. The brush ring can make contact with the transmission edge and the wall face of the filter screen, the cleaning structure can drive a rotating outer brush roller and a rotating inner brush roller to clean the inner wall face and the outer wall face of the transmission edge and the inner wall face of the filter screen at the same time while the device is driven by the motor to clean sewage, and therefore excessive water resource cleaning devices do not need to be wasted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of grating machine, concretely relates to a grating machine for environmental protection sewage treatment. BACKGROUND

[0002] The grating machine is a kind of solid-liquid separation equipment that can continuously remove sundries in fluid, and is widely applied to urban sewage treatment, waterworks, power plant water inlet, textile, food processing, papermaking, leather and other industries.

[0003] The commonly used grating machine will be affected by the mixed dirt in water when using, and a large amount of water is needed to flush the dirt on the grating machine, which will waste a lot of water resources, so an environmental protection grating machine is needed.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] To solve the technical problem that a large amount of water resources is needed when cleaning in the prior art, the basic concept of the technical scheme of the utility model is as follows:

[0006] A grating machine for environmental protection sewage treatment, comprising:

[0007] A casing, the casing is composed of a slide-shaped plate and a guard edge symmetrically arranged on both sides of the slide-shaped plate, and a motor is fixedly installed on one side of the guard edge of the casing;

[0008] A cleaning structure, the cleaning structure is arranged on the slide-shaped plate of the casing, and the cleaning structure can prevent dirt from affecting the operation of the device, and the cleaning structure comprises a transmission edge, a belt block, a filter screen, a filter groove, an outer brush roller and a brush ring, the transmission edge is transmissionally connected between the symmetric guard edges of the casing, the belt block is fixedly connected to the wall surface of the transmission edge, the filter screen is fixedly connected to the wall surface of the transmission edge, the filter groove is arranged at the top of the filter screen, the outer brush roller is rotationally connected between the symmetric guard edges, and the brush ring is fixedly connected to the wall surface of the outer brush roller, and the brush ring can be in contact with the wall surface of the transmission edge and the filter screen.

[0009] As a preferred embodiment of the utility model, the cleaning structure further comprises a driving shaft and a limiting ring, the driving shaft is rotationally connected to the highest and lowest positions of the wall surface of the symmetric guard edges of the casing, the motor of the wall surface of the casing can drive the driving shaft to rotate, the limiting ring is fixedly connected to the wall surface of each driving shaft, the transmission edge is transmissionally connected to the wall surface of the symmetric driving shaft, and the filter screen is transmissionally connected to the wall surface of the symmetric limiting ring.

[0010] As a preferred embodiment of the utility model, the driving shaft is cylindrical, the limiting ring is annular, the size of the limiting ring is greater than the diameter of the driving shaft, multiple limiting rings are evenly arranged on the arc surface of the driving shaft, the top of the transmission edge and the filter screen is flush, the filter groove is a circular hole, multiple filter grooves are evenly arranged on the wall surface of each filter screen, the transmission edge is arranged in the interval between each adjacent limiting ring, the filter screen is arranged between each adjacent transmission edge, the belt block is a right triangle block, and multiple belt blocks are evenly arranged on the outer wall surface of each transmission edge.

[0011] As a preferred embodiment of the utility model, the outer brush roller is cylindrical, multiple brush rings are evenly arranged on the arc surface of the outer brush roller, the brush ring is annular, the interval between each adjacent brush ring can adapt to the size of each belt block, and each adjacent belt block can contact the wall surface of the outer brush roller between each adjacent brush ring.

[0012] As a preferred embodiment of the utility model, the cleaning structure further comprises an inner brush roller, a driving shaft, a belt groove, a first driven shaft, a second driven shaft, a first belt and a second belt, the inner brush roller is rotatably connected between the symmetrical edges of the shell, the inner brush roller is between the symmetrical driving shafts, the driving shaft is rotatably connected to the edge side wall of the shell opposite to the motor position of the shell, the belt groove is arranged on the wall surface of the driving shaft, the first driven shaft is rotatably connected to the wall surface of the shell consistent with the driving shaft, the second driven shaft is rotatably connected to the wall surface of the shell consistent with the first driven shaft, the first belt is transmissionally connected to the wall surfaces of the driving shaft and the second driven shaft, and the second belt is transmissionally connected to the wall surfaces of the first driven shaft and the driving shaft.

[0013] As a preferred embodiment of the utility model, the driving shaft can be connected to the side wall of the driving shaft above the wall surface of the shell, the driving shaft, the second driven shaft and the first driven shaft are all cylindrical, two same belt grooves are arranged on the wall surface of the driving shaft, the wall surfaces of the second driven shaft and the first driven shaft are respectively provided with the same belt grooves, the second belt can be transmissionally connected in one of the belt grooves on the wall surface of the driving shaft and the belt groove on the wall surface of the first driven shaft, the first belt can be transmissionally connected in the other belt groove on the wall surface of the driving shaft and the belt groove on the wall surface of the second driven shaft, the second driven shaft can be connected to the inner brush roller, and the first driven shaft can be connected to the outer brush roller.

[0014] As a preferred embodiment of the utility model, the wall surface of the shell is provided with an anti-jamming structure, the anti-jamming structure comprises a first top plate and a second top plate, the first top plate is fixedly connected above the side wall of the symmetrical edge of the shell, and the second top plate is fixedly connected to the inclined surface of the ladder-shaped plate of the shell.

[0015] As a preferred embodiment of the utility model, the first top plate is in a horizontal state on the wall surface of the shell, the first top plate is above the outer brush roller, the wall surface of the first top plate is uniformly provided with a plurality of rectangular notches in the direction of the transmission edge, each rectangular notch of the wall surface of the first top plate can be adapted to the size of the belt block, the second top plate is in a rectangular block, the second top plate is vertically erected on the inclined surface of the slide-shaped plate of the shell, a plurality of second top plates are uniformly arranged on the wall surface of the shell, and each adjacent second top plate can pass between the belt blocks on each adjacent transmission edge.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. By setting the cleaning structure, the device can be prevented from being affected by the dirt in the water without wasting too much water resource, because the cleaning structure drives the device to clean the sewage at the same time, and also drives the rotating outer brush roller and inner brush roller to clean the inner and outer wall surfaces of the transmission edge and filter screen at the same time, so that the device is not wasted too much water resource, and therefore the scheme has good environmental protection when used.

[0018] 2. By setting the anti-blocking structure, the device can be effectively prevented from being affected by the object blocked between the adjacent belt blocks, because the anti-blocking structure passes between the adjacent belt blocks along with the movement of the belt blocks, so that the object blocked between the adjacent belt blocks is pushed out, thereby improving the stability of the device during work.

[0019] The specific embodiments of the utility model will be further described in detail below with reference to the drawings. DRAWINGS

[0020] In the drawings:

[0021] Figure 1 It is a perspective view of the utility model;

[0022] Figure 2 It is a perspective view of the shell of the utility model;

[0023] Figure 3 It is an exploded view of the drive shaft and transmission edge of the utility model;

[0024] Figure 4 It is a perspective view of the shell top structure of the utility model;

[0025] Figure 5 It is an exploded view of the wall surface connection relationship of the utility model.

[0026] In the figure: 20, the shell; 21, the drive shaft; 22, the limiting ring; 23, the transmission edge; 24, the belt block; 25, the filter screen; 26, the filter groove; 27, the first top plate; 28, the second top plate; 30, the outer brush roller; 31, the brush ring; 32, the inner brush roller; 40, the driving shaft; 41, the belt groove; 42, the first driven shaft; 43, the second driven shaft; 44, the first belt; 45, the second belt. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.

[0028] As shown in Figure 1 , Figure 2 and Figure 4 , an environmental protection type grille machine for sewage treatment, the shell 20 is composed of a slide-shaped plate and a guard edge symmetrically arranged on both sides of the slide-shaped plate, a motor is fixedly installed on one side of the guard edge of the shell 20, and the motor is electrically connected with the corresponding power supply, which is the prior art and will not be described here.

[0029] As shown in Figure 1 , Figure 2 , Figure 3 Figure 4 and Figure 5 , the cleaning structure is arranged on the slide-shaped plate of the shell 20, and the cleaning structure can prevent dirt from affecting the operation of the device, the cleaning structure comprising a transmission edge 23, a belt block 24, a filter screen 25, a filter groove 26, an outer brush roller 30 and a brush ring 31, the transmission edge 23 being transmissionally connected between the symmetric guard edges of the shell 20, the belt block 24 being fixedly connected to the wall surface of the transmission edge 23, the filter screen 25 being fixedly connected to the wall surface of the transmission edge 23, the filter groove 26 being arranged at the top of the filter screen 25, the outer brush roller 30 being rotationally connected between the symmetric guard edges, and the brush ring 31 being fixedly connected to the wall surface of the outer brush roller 30, the brush ring 31 being capable of contacting the wall surface of the transmission edge 23 and the filter screen 25.

[0030] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the cleaning structure further comprises driving shafts 21 and limiting rings 22, the driving shafts 21 are rotationally connected at the highest and lowest positions of the symmetrical edge-protected side wall surfaces of the casing 20, the motor on the wall surface of the casing 20 can drive the driving shafts 21 to rotate, the limiting rings 22 are fixedly connected on the wall surface of each driving shaft 21, the transmission edges 23 are transmissionally connected on the wall surface of the symmetrical driving shafts 21, the filter screens 25 are transmissionally connected on the wall surface of the symmetrical limiting rings 22, the driving shafts 21 are cylindrical, the limiting rings 22 are annular, the size of the limiting rings 22 is larger than the diameter of the driving shafts 21, the limiting rings 22 are uniformly provided on the arc surface of the driving shafts 21, the top of the transmission edges 23 and the filter screens 25 is flush, the filter grooves 26 are circular holes, the filter grooves 26 are uniformly provided on the wall surface of each filter screen 25, the transmission edges 23 are respectively provided in the interval between each adjacent limiting ring 22, the filter screens 25 are respectively provided in the interval between each adjacent transmission edge 23, the belt blocks 24 are right-angled triangular blocks, the belt blocks 24 are respectively and uniformly provided on the outer wall surface of each transmission edge 23, the outer brush rollers 30 are cylindrical, the brush rings 31 are uniformly provided on the arc surface of the outer brush rollers 30, the brush rings 31 are annular, the interval between each adjacent brush ring 31 can adapt to the size of each belt block 24, each adjacent belt block 24 can contact the wall surface of the outer brush roller 30 between each adjacent brush ring 31, the cleaning structure further comprises inner brush rollers 32, a driving shaft 40, a belt groove 41, a first driven shaft 42, a second driven shaft 43, a first belt 44 and a second belt 45, the inner brush rollers 32 are rotationally connected between the symmetrical edge-protected sides of the casing 20, the inner brush rollers 32 are between the symmetrical driving shafts 21, the driving shaft 40 is rotationally connected on the edge-protected side wall surface of the casing 20 opposite to the position of the motor of the casing 20, the belt groove 41 is provided on the wall surface of the driving shaft 40, the first driven shaft 42 is rotationally connected on the wall surface of the casing 20 consistent with the driving shaft 40, the second driven shaft 43 is rotationally connected on the wall surface of the casing 20 consistent with the first driven shaft 42, the first belt 44 is transmissionally connected on the wall surface of the driving shaft 40 and the second driven shaft 43, the second belt 45 is transmissionally connected on the wall surface of the first driven shaft 42 and the driving shaft 40, the driving shaft 40 can be connected with the side wall surface of the driving shaft 21 above the wall surface of the casing 20, the driving shaft 40, the second driven shaft 43 and the first driven shaft 42 are all cylindrical, two same belt grooves 41 are provided on the wall surface of the driving shaft 40, the same belt grooves 41 are respectively provided on the wall surface of the second driven shaft 43 and the first driven shaft 42, the second belt 45 can be transmissionally connected in one of the belt grooves 41 on the wall surface of the driving shaft 40 and the belt groove 41 on the wall surface of the first driven shaft 42, the first belt 44 can be transmissionally connected in the other of the belt grooves 41 on the wall surface of the driving shaft 40 and the belt groove 41 on the wall surface of the second driven shaft 43, the second driven shaft 43 can be connected with the inner brush rollers 32, the first driven shaft 42 can be connected with the outer brush rollers 30;

[0031] In specific use, the device is placed at the inlet water to be treated, and then the power is turned on. The motor on the wall of the casing 20 can drive the corresponding drive shaft 21 to rotate on the wall of the casing 20 when the power is turned on. The drive shaft 21 can drive the limiting ring 22 to rotate at the same time. The drive shaft 21 and the limiting ring 22 can drive the transmission edge 23 and the filter screen 25 to cooperate with the symmetrical drive shaft 21 and the limiting ring 22 for transmission. The filter screen 25 and the transmission edge 23 can be transmitted between the symmetrical drive shaft 21 and the limiting ring 22. The transmission edge 23 and the filter screen 25 can drive the belt block 24 to move at the same time when transmitting. When the water flows through the device, the water flows through the filter groove 26, and then moves along the inclined surface of the slide-shaped plate of the casing 20 to the highest position to complete the filtration. The impurities in the water are driven upward by the upward moving belt block 24 to complete the solid-liquid separation. The drive shaft 21 can drive the driving shaft 40 to rotate at the same time. The driving shaft 40 can drive the second driven shaft 43 and the first driven shaft 42 to rotate on the wall of the casing 20 at the same time through the second belt 45 and the first belt 44 when rotating. The first driven shaft 42 and the second driven shaft 43 can drive the corresponding outer brush roller 30 and the inner brush roller 32 to rotate on the wall of the casing 20 when rotating. The outer brush roller 30 can drive the brush ring 31 to rotate at the same time when rotating. The outer brush roller 30 and the brush ring 31 can rotate and clean the outer wall surface of the transmission edge 23, the belt block 24 and the filter screen 25. The inner brush roller 32 can clean the inner wall surface of the transmission edge 23 and the filter screen 25 when rotating.

[0032] In summary, by setting the cleaning structure, it can prevent the dirt in the water from affecting the operation of the device without wasting too much water resource. Because the cleaning structure drives the device to clean the sewage at the same time as driving the rotating outer brush roller 30 and the inner brush roller 32 to clean the inner and outer wall surfaces of the transmission edge 23 and the filter screen 25 at the same time, so it does not need to waste too much water resource to clean the device. Therefore, the present scheme can have good environmental protection when used.

[0033] As Figure 2 and Figure 4As shown, the driving shaft 40 can be connected with the side wall of the driving shaft 21 above the wall of the casing 20, the driving shaft 40, the second driven shaft 43 and the first driven shaft 42 are all cylindrical, the wall of the driving shaft 40 is provided with two same grooves 41, the wall of the second driven shaft 43 and the first driven shaft 42 is respectively provided with the same groove 41, the second belt 45 can be connected in transmission in one of the grooves 41 of the wall of the driving shaft 40 and the groove 41 of the wall of the first driven shaft 42, the first belt 44 can be connected in transmission in the other groove 41 of the wall of the driving shaft 40 and the groove 41 of the wall of the second driven shaft 43, the second driven shaft 43 can be connected with the inner brush roller 32, the first driven shaft 42 can be connected with the outer brush roller 30, the first top plate 27 is in a horizontal state on the wall of the casing 20, the first top plate 27 is above the outer brush roller 30, the wall of the first top plate 27 is uniformly provided with a plurality of rectangular notches in the direction of the transmission edge 23, each rectangular notch of the wall of the first top plate 27 can be adapted to the size of the belt block 24, the second top plate 28 is a rectangular block, the second top plate 28 is erected on the slope of the slide-shaped plate of the casing 20, the second top plate 28 is uniformly provided on the wall of the casing 20, each adjacent second top plate 28 can pass between each adjacent belt block 24 on the transmission edge 23;

[0034] In specific use, the object clamped between each adjacent belt block 24 will be in contact with the rectangular notch of the first top plate 27 when moving upward with the belt block 24, at this time the first top plate 27 can eject the object clamped between the adjacent belt blocks 24, if not ejected, the second top plate 28 can eject the object clamped between the adjacent belt blocks 24 after the belt block 24 moves downward;

[0035] In summary, by setting the anti-clamping structure, the object clamped between the adjacent belt blocks 24 can be effectively prevented from affecting the operation of the device, because the anti-clamping structure will pass between the adjacent belt blocks 24 with the movement of the belt block 24 to eject the object clamped between the adjacent belt blocks 24, thereby improving the stability of the device during operation.

[0036] Working principle: the device is placed in the required processing of the water inlet, and then the power is turned on, the motor of the wall surface of the casing 20 can drive the corresponding drive shaft 21 to rotate on the wall surface of the casing 20 when the power is turned on, the drive shaft 21 can drive the limiting ring 22 to rotate at the same time, the drive shaft 21 and the limiting ring 22 can drive the transmission edge 23 and the filter screen 25 to cooperate with the symmetrical drive shaft 21 and the limiting ring 22 to drive, the filter screen 25 and the transmission edge 23 can be driven between the symmetrical drive shaft 21 and the limiting ring 22, the transmission edge 23 and the filter screen 25 will drive the belt block 24 to move at the same time when transmitting, when the water flows through the device, the water flow will pass through the filter groove 26, and then move to the highest position along the inclined surface of the slide-shaped plate of the casing 20 to complete the filtration, and the impurities in the water will be driven upward by the upward moving belt block 24 to complete the solid-liquid separation, the drive shaft 21 will drive the driving shaft 40 to rotate at the same time, the driving shaft 40 can drive the second driven shaft 43 and the first driven shaft 42 to rotate on the wall surface of the casing 20 at the same time through the second belt 45 and the first belt 44 when rotating, the first driven shaft 42 and the second driven shaft 43 can drive the corresponding outer brush roller 30 and the inner brush roller 32 to rotate on the wall surface of the casing 20 when rotating, the outer brush roller 30 can drive the brush ring 31 to rotate at the same time when rotating, the outer brush roller 30 and the brush ring 31 can rotate and clean the outer wall surface of the transmission edge 23, the belt block 24 and the filter screen 25, and the inner brush roller 32 can clean the inner wall surface of the transmission edge 23 and the filter screen 25 when rotating.

[0037] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. An environmentally friendly bar screen for wastewater treatment, characterized in that, Include: The shell (20) is composed of a slide-shaped plate and a guard edge symmetrically arranged on both sides of the slide-shaped plate. A motor is fixedly installed on one side of the guard edge of the shell (20); The cleaning structure is arranged on the slide-shaped plate of the shell (20), which can prevent dirt from affecting the operation of the device. The cleaning structure includes a transmission edge (23), a belt block (24), a filter screen (25), a filter groove (26), an outer brush roller (30) and a brush ring (31). The transmission edge (23) is drivingly connected between the symmetric guard edges of the shell (20). The belt block (24) is fixedly connected to the wall surface of the transmission edge (23). The filter screen (25) is fixedly connected to the wall surface of the transmission edge (23). The filter groove (26) is arranged at the top of the filter screen (25). The outer brush roller (30) is rotatably connected between the symmetric guard edges. The brush ring (31) is fixedly connected to the wall surface of the outer brush roller (30). The brush ring (31) can contact the wall surfaces of the transmission edge (23) and the filter screen (25).

2. The environment-friendly screen machine for sewage treatment according to claim 1, characterized in that, The cleaning structure further includes a drive shaft (21) and a limiting ring (22). The drive shaft (21) is rotatably connected to the highest and lowest points of the wall surface of the symmetric guard edge of the shell (20). The motor of the wall surface of the shell (20) can drive the drive shaft (21) to rotate. The limiting ring (22) is fixedly connected to the wall surface of each drive shaft (21). The transmission edge (23) is drivingly connected to the wall surface of the symmetric drive shaft (21). The filter screen (25) is drivingly connected to the wall surface of the symmetric limiting ring (22).

3. The environment-friendly screen machine for sewage treatment according to claim 2, characterized in that, The drive shaft (21) is in a cylindrical shape. The limiting ring (22) is in a circular ring shape. The size of the limiting ring (22) is greater than the diameter of the drive shaft (21). The limiting ring (22) is uniformly provided with a plurality of arc surfaces on the drive shaft (21). The top of the transmission edge (23) and the filter screen (25) is flush. The filter groove (26) is in a circular hole. A plurality of filter grooves (26) are uniformly arranged on the wall surface of each filter screen (25). The transmission edge (23) is arranged between each adjacent limiting ring (22). The filter screen (25) is arranged between each adjacent transmission edge (23). The belt block (24) is in a right triangle block. A plurality of belt blocks (24) are uniformly arranged on the outer wall surface of each transmission edge (23).

4. The environment-friendly screen machine for sewage treatment according to claim 1, characterized in that, The outer brush roller (30) is in a cylindrical shape. A plurality of brush rings (31) are uniformly arranged on the arc surface of the outer brush roller (30). The brush ring (31) is in a circular ring shape. The distance between each adjacent brush ring (31) can adapt to the size of each belt block (24). Each adjacent belt block (24) can contact the wall surface of the outer brush roller (30) between each adjacent brush ring (31).

5. The environment-friendly screen machine for sewage treatment according to claim 2, characterized in that, The cleaning structure further comprises an inner brush roller (32), a driving shaft (40), a groove (41), a first driven shaft (42), a second driven shaft (43), a first belt (44) and a second belt (45), the inner brush roller (32) is rotationally connected between the symmetrical edges of the casing (20), the inner brush roller (32) is between the symmetrical driving shafts (21), the driving shaft (40) is rotationally connected to the edge side wall surface of the casing (20) opposite to the motor position of the casing (20), the groove (41) is provided on the wall surface of the driving shaft (40), the first driven shaft (42) is rotationally connected to the wall surface of the casing (20) consistent with the driving shaft (40), the second driven shaft (43) is rotationally connected to the wall surface of the casing (20) consistent with the first driven shaft (42), the first belt (44) is transmissionally connected to the wall surfaces of the driving shaft (40) and the second driven shaft (43), and the second belt (45) is transmissionally connected to the wall surfaces of the first driven shaft (42) and the driving shaft (40).

6. The environment-friendly screen machine for sewage treatment according to claim 5, characterized in that, The driving shaft (40) can be connected to the side wall surface of the driving shaft (21) above the wall surface of the casing (20), the driving shaft (40), the second driven shaft (43) and the first driven shaft (42) are all in a cylindrical shape, two identical grooves (41) are provided on the wall surface of the driving shaft (40), the wall surfaces of the second driven shaft (43) and the first driven shaft (42) are respectively provided with identical grooves (41), the second belt (45) can be transmissionally connected in one of the grooves (41) on the wall surface of the driving shaft (40) and the groove (41) on the wall surface of the first driven shaft (42), the first belt (44) can be transmissionally connected in the other groove (41) on the wall surface of the driving shaft (40) and the groove (41) on the wall surface of the second driven shaft (43), the second driven shaft (43) can be connected to the inner brush roller (32), and the first driven shaft (42) can be connected to the outer brush roller (30).

7. The environment-friendly screen machine for sewage treatment according to claim 1, characterized in that, The wall surface of the casing (20) is provided with an anti-jamming structure, which comprises a first top plate (27) and a second top plate (28), the first top plate (27) is fixedly connected above the symmetrical edge side wall surface of the casing (20), and the second top plate (28) is fixedly connected to the inclined surface of the slide-shaped plate of the casing (20).

8. The environment-friendly screen machine for sewage treatment according to claim 7, characterized in that, The first top plate (27) is in a horizontal state on the wall surface of the casing (20), the first top plate (27) is above the outer brush roller (30), a plurality of rectangular notches are uniformly provided on the wall surface of the first top plate (27) in the direction towards the transmission edge (23), each rectangular notch on the wall surface of the first top plate (27) can adapt to the size of the belt block (24), the second top plate (28) is in a rectangular block shape, the second top plate (28) is erected on the inclined surface of the slide-shaped plate of the casing (20), a plurality of second top plates (28) are uniformly arranged on the wall surface of the casing (20), and each adjacent second top plate (28) can pass through between the belt blocks (24) on each adjacent transmission edge (23).

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