Sewage treatment equipment suitable for urban sewage treatment

Abstract

The invention discloses sewage treatment equipment suitable for urban sewage treatment, and relates to the technical field of catering sewage treatment.The sewage treatment equipment comprises a treatment box, a placement ring is fixedly connected to the inner side wall of the treatment box, an inverted-cone-shaped filter screen is inserted into the placement ring, a through hole is formed in the center of the filter screen, and a through hole is formed in the inner side wall of the treatment box; and a slag falling pipe is fixedly inserted into the inner side wall of the through hole, a slag collecting box is placed on the inner bottom wall of the treatment box, and a bottle opening of the slag collecting box is movably connected to the bottom end of the slag falling pipe in a sleeving mode. When the kitchen waste water cleaning device is used, through the arranged first cleaning assembly, the multiple sets of brush discs can be driven to rotate under the driving of the driving mechanism, and then the motor is matched to drive the multiple sets of brush discs to revolve, so that the brush discs can thoroughly and effectively clean and dredge the top of the filter screen, and the filter screen is prevented from being blocked by residues and grease in kitchen waste water; therefore, the filter screen can filter and treat wastewater normally for a long time, and the reliability and practicability of the treatment equipment are improved.

Description

Technical Field

[0001] The invention relates to the technical field of catering sewage treatment, and in particular to sewage treatment equipment suitable for urban sewage treatment. Background Art

[0002] A large amount of sewage is generated in people's production and life. The domestic sewage in the city mainly comes from the sewage generated by kitchen and bathroom facilities. Therefore, kitchen sewage accounts for a large proportion of urban domestic sewage. Therefore, the purification and treatment of kitchen sewage is very important.

[0003] In addition, since food residues and grease in catering wastewater are not only easy to rot and produce odor and bacteria, but also easy to clog pipes, the catering industry needs to pre-treat catering wastewater before discharging it into the urban sewer network to avoid excessive residues and grease entering the sewer network and causing blockage and corrosion damage to the pipes.

[0004] At present, catering wastewater pretreatment equipment adopts a relatively simple filtration process. However, in order to ensure the filtration speed during the filtration process, the filtration holes of the filter elements of the sewage treatment equipment are larger, which affects the filtration effect of the equipment. The filtered kitchen wastewater still contains more grease and residue and enters the sewer network with the sewage. In particular, the salt content in catering wastewater is relatively high, and salt-containing wastewater can also cause corrosion and loss to sewage treatment equipment and pipelines. In addition, the residue and grease after filtration will adhere to the filter element and clog the filtration holes of the filter element, affecting the effect and reliability of the second filtration of catering wastewater. Summary of the invention

[0005] The object of the present invention is to provide a sewage treatment device suitable for urban sewage treatment, so as to solve the problem that the existing urban kitchen sewage pretreatment device proposed in the above background technology is difficult to effectively filter out grease and residue contained in the sewage when pretreating the kitchen sewage, and the filter component is easily blocked by the residue and grease, thereby reducing the service life and filtering effect of the filter component.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sewage treatment device suitable for urban sewage treatment, comprising a treatment box, a placement ring is fixedly connected to the inner side wall of the treatment box, an inverted cone-shaped filter screen is plugged into the placement ring, a through hole is opened at the center of the filter screen, a slag pipe is fixedly plugged into the inner side wall of the through hole, a slag collecting box is placed on the inner bottom wall of the treatment box, the bottle mouth of the slag collecting box is movably sleeved on the bottom end of the slag pipe, a filter hole is opened on the side wall of the slag collecting box, and a first cleaning component is arranged in the treatment box; The first cleaning component is used to clean and unclog the filter. The first cleaning component includes a motor fixedly connected to the top of the processing box. The first cleaning component includes several groups of brush plates that are in a ring shape with equal angles and abut against the top surface of the filter. Several of the brush plates are connected to the output end of the motor. The first cleaning component also includes several driving mechanisms that are arranged in a ring shape with equal angles in the processing box. Several of the driving mechanisms respectively drive several groups of brush plates to rotate.

[0007] Preferably, the first cleaning component also includes a first vertical rod arranged in the processing box, the output end of the motor passes through the top wall of the processing box and is fixedly connected to the top of the first vertical rod, the bottom end of the first vertical rod is connected to the second vertical rod, the bottom end of the second vertical rod is fixedly connected to the top of the slag dropping pipe through multiple connecting rods, the outer peripheral surface of the second vertical rod is annularly fixedly connected with a plurality of fixing rods at equal angles, and the ends of the plurality of fixing rods away from the second vertical rod are annularly fixedly connected with a plurality of fixing plates at equal angles, and the plurality of brush discs are rotatably connected to the bottoms of the plurality of fixing plates respectively, and each group of multiple brush discs are equidistantly distributed along the length direction of the fixing plate, and the plurality of driving mechanisms are respectively arranged on the plurality of fixing plates. The advantage of such an arrangement is that the first vertical rod and the second vertical rod are driven to rotate by the motor, and the second vertical rod drives a plurality of groups of brush discs to revolve through the fixing rod and the fixing plate, and then cooperates with the driving mechanism to drive the brush disc to rotate, so that the top surface of the filter can be cleaned and dredged more thoroughly and effectively, and the filter can be prevented from being blocked by residues and grease in the kitchen waste water, so as to ensure that the filter can perform wastewater treatment work normally for a long time.

[0008] Preferably, the driving mechanism includes an installation cavity opened on the side of the fixed plate, and a plurality of rotating shafts are equidistantly connected to the bottom wall of the installation cavity along the length direction of the fixed plate, and the top ends of the plurality of rotating shafts are fixedly connected to driving wheels. The driving mechanism also includes two driving plates symmetrically arranged inside the installation cavity, and the plurality of driving wheels are located between the two driving plates and conflict with the side surfaces of the two driving plates that are close to each other. The driving mechanism also includes a pushing unit arranged on the fixed plate, and the pushing unit is used to push the two driving plates to reciprocate in a direction away from the second vertical rod or close to the second vertical rod. The advantage of such an arrangement is that the pushing unit drives the two driving plates to reciprocate in a direction away from the second vertical rod or close to the second vertical rod, so that the driving wheel can be driven to rotate forward and backward, thereby driving the brush plate to stably rotate forward and backward, ensuring that the cleaning work of the filter screen can be carried out smoothly and reliably.

[0009] Preferably, the pushing unit includes two limiting sleeves symmetrically fixedly connected to the top of the fixing plate, the two limiting sleeves are movably connected with push rods, the outer circumferential surface of the push rod is fixedly sleeved with a fixing ring, the side surface of the fixing ring and the side surface of the limiting sleeve close to the second vertical rod are fixedly connected with a first elastic member, the top of the fixing plate is provided with a moving groove, the bottom of the moving groove is connected to the mounting cavity, the bottom of the push rod is fixedly connected to a moving plate, the bottom of the moving plate passes through the moving groove and is fixedly connected to the top of the two driving plates through a cross plate, the moving plate is slidably connected in the moving groove, the pushing unit includes a plurality of arc driving blocks fixedly connected to the inner side wall of the processing box in an annular shape at equal angles, and the end of the push rod away from the second vertical rod can be engaged with the arc driving block The arc surface of the arc drive blocks conflicts with each other. The advantage of such a setting is that when the push rod is driven by the motor to revolve, the end of the push rod can alternately conflict with the arc surfaces of multiple arc-shaped driving blocks, so that the first elastic member can cooperate with the push rod to move reciprocatingly in the direction close to or away from the second vertical rod. In this way, the push rod can drive the two driving plates to move reciprocatingly in the direction away from the second vertical rod or close to the second vertical rod through the moving plate and the cross plate, so that the driving wheel can be driven to rotate back and forth, thereby driving the brush plate to rotate back and forth stably, ensuring that the cleaning work of the filter can be carried out smoothly and reliably. In this way, no additional power source is required to drive the driving plate to reciprocate, which reduces the energy consumption of the equipment and improves the reliability and economy of the equipment.

[0010] Preferably, a second cleaning component is further provided in the processing box, and the second cleaning component is used to cooperate with the first cleaning component to further clean and dredge the filter.

[0011] Preferably, the second cleaning component includes a slot provided at the top end of the second vertical rod, a plug plate movably inserted in the slot, the top of the plug plate and the bottom end of the first vertical rod being fixedly connected, a plurality of iron cross bars are fixedly connected in a ring shape at equal angles on the outer circumference of the second vertical rod, a plurality of cylinders are fixedly connected in a ring shape at equal angles on the top wall of the processing box, and electromagnets are fixedly connected to the output ends of the plurality of cylinders, the electromagnets are respectively located directly above the plurality of cross bars and can adsorb the cross bars, the advantage of such a setting is that the cross bars are adsorbed by the electromagnets being energized, and then the electromagnets are driven to move back and forth up and down by the cylinders, and the electromagnets can cooperate with the plug plate and the slot to drive the second vertical rod to move back and forth up and down, so that the filter can intermittently collide with the bottom of the arc-shaped drive block, thereby being able to shake off the residue and grease attached to the filter, thereby being able to effectively clean and dredge the filter.

[0012] Preferably, multiple scrapers are fixedly connected to one end of the multiple horizontal bars away from the second vertical bar at equal angles in a ring shape, and the sides of the multiple scrapers away from the second vertical bar are in conflict with the inner wall of the processing box. The advantage of such an arrangement is that the inner wall of the processing box can be scraped and cleaned to avoid excessive residue and grease adhering to the inner wall of the processing box.

[0013] Preferably, two support blocks are symmetrically and slidably connected to the bottom wall of the processing box, and a sealed box door is hinged on the side of the processing box, and the sealed box door is aligned with the slag collecting box. The advantage of such an arrangement is that the support blocks and the bottom of the slag collecting box can be staggered by sliding the two support blocks in directions away from each other, thereby facilitating the staff to pull the slag collecting box off the slag dropping pipe through the sealed box door, thereby facilitating the cleaning of the residue collected inside the slag collecting box.

[0014] Preferably, two arc-shaped limiting plates are symmetrically fixedly connected to the tops of the two support blocks, and the concave arc surfaces of the two limiting plates are tightly against the outer peripheral surface of the slag collecting box. The advantage of such a setting is that the slag collecting box can be limited more firmly, ensuring that the slag collecting box will not shift so that the residue can fall smoothly into the slag collecting box.

[0015] Preferably, a driving ring is fixedly connected to the inner wall of the treatment box, the driving ring is located above the arc-shaped driving block, the inner wall of the driving ring is arc-shaped, the arc shape of the inner side of the driving ring and the arc-shaped surface of the arc-shaped driving block are perpendicular to each other. The advantage of such an arrangement is that when the brush disc reciprocates up and down driven by the cylinder, the end of the push rod can contact the arc-shaped inner wall of the driving ring, thereby driving the brush disc to rotate, so that the brush disc can still rotate to clean the filter during the up and down vibration process to clean the filter, further improving the cleaning effect of the filter, and ensuring that the treatment device can reliably pre-purify the kitchen waste water for a long time.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, by setting up the first cleaning component, a plurality of brush discs can be driven to rotate under the drive of the driving mechanism, and then cooperate with the motor to drive the plurality of brush discs to revolve, so that the brush discs can thoroughly and effectively clean and dredge the top of the filter, avoiding the filter being blocked by residues and grease in the kitchen waste water, so that the filter can perform wastewater filtering and treatment work normally for a long time, thereby improving the reliability and practicality of the treatment equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a schematic diagram of the structure of a sewage treatment equipment suitable for urban sewage treatment in an embodiment of the present invention; Figure 2It is a first cross-sectional structural schematic diagram of a sewage treatment equipment suitable for urban sewage treatment in an embodiment of the present invention; Figure 3 It is a second cross-sectional structural schematic diagram of a sewage treatment equipment suitable for urban sewage treatment in an embodiment of the present invention; Figure 4 It is a schematic diagram of a first partial structure of a sewage treatment equipment suitable for urban sewage treatment in an embodiment of the present invention; Figure 5 It is a second partial structural schematic diagram of a sewage treatment equipment suitable for urban sewage treatment in an embodiment of the present invention; Figure 6 is a schematic cross-sectional structural diagram of a fixing plate in an embodiment of the present invention; Figure 7 In the embodiment of the present invention Figure 3 The enlarged schematic diagram of point A in the middle; Figure 8 In the embodiment of the present invention Figure 6 A magnified schematic diagram of point B in the middle.

[0019] In the figure: 1, treatment box; 101, water inlet pipe; 102, water outlet pipe; 103, sealing box door; 2, placement ring; 3, filter screen; 31, slag pipe; 4, slag collecting box; 5, first cleaning component; 51, motor; 52, first vertical rod; 53, second vertical rod; 531, connecting rod; 54, fixing rod; 55, fixing plate; 56, brush plate; 561, brush hair; 57, driving mechanism; 571, installation cavity; 572, rotating shaft; 573 , driving wheel; 574, driving plate; 575, pushing unit; 5751, limiting sleeve; 5752, push rod; 5753, fixing ring; 5754, first elastic member; 5755, moving plate; 5756, arc driving block; 58, overflow chamber; 6, second cleaning component; 61, slot; 62, plug plate; 63, cross bar; 64, cylinder; 65, electromagnet; 7, scraper; 8, support block; 81, limiting plate; 9, driving ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 8The present invention provides a technical solution, a sewage treatment equipment suitable for urban sewage treatment, comprising a treatment box 1, a placing ring 2 is fixedly connected to the inner side wall of the treatment box 1, an inverted cone-shaped filter screen 3 is plugged into the placing ring 2, a through hole is opened at the center of the filter screen 3, a slag pipe 31 is fixedly plugged into the inner side wall of the through hole, a slag collecting box 4 is placed on the inner bottom wall of the treatment box 1, the bottle mouth of the slag collecting box 4 is movably sleeved on the bottom end of the slag pipe 31, a filter hole is opened on the side wall of the slag collecting box 4, and a first cleaning component 5 is arranged in the treatment box 1; The top of the treatment box 1 is connected to a water inlet pipe 101, and the bottom side of the treatment box 1 is connected to a water outlet pipe 102; The first cleaning component 5 is used to clean and unclog the filter 3. The first cleaning component 5 includes a motor 51 fixedly connected to the top of the processing box 1. The first cleaning component 5 includes a plurality of groups of brush discs 56 that are in a ring shape with equal angles and abut against the top surface of the filter 3. The bottom of the brush disc 56 is connected with bristles 561. The plurality of brush discs 56 are connected to the output end of the motor 51. The first cleaning component 5 also includes a plurality of driving mechanisms 57 that are arranged in a ring shape with equal angles in the processing box 1. The plurality of driving mechanisms 57 respectively drive the plurality of groups of brush discs 56 to rotate.

[0022] Meal Card Figure 2-Figure 5 The first cleaning assembly 5 also includes a first vertical rod 52 arranged in the processing box 1, the output end of the motor 51 passes through the top wall of the processing box 1 and is fixedly connected to the top of the first vertical rod 52, the bottom end of the first vertical rod 52 is connected to the second vertical rod 53, the bottom end of the second vertical rod 53 is fixedly connected to the top of the slag dropping pipe 31 through a plurality of connecting rods 531, a plurality of fixed rods 54 are fixedly connected to the outer circumference of the second vertical rod 53 in an annular shape at equal angles, and a plurality of fixed rods 54 are fixedly connected to a plurality of fixed plates 55 in an annular shape at equal angles at one end away from the second vertical rod 53, and a plurality of brush discs 56 are rotatably connected to the bottom of the plurality of fixed plates 55 respectively, and each group of a plurality of brush discs 56 is equidistantly distributed along the length direction of the fixed plate 55, and a plurality of driving mechanisms 57 are respectively arranged on the plurality of fixed plates 55; An overflow cavity 58 is provided on the side of the fixed plate 55 for discharging waste water entering the installation cavity 571 through the movable groove.

[0023] Specifically, the motor 51 drives the first vertical rod 52 and the second vertical rod 53 to rotate, and the second vertical rod 53 drives several groups of brush discs 56 to revolve through the fixed rod 54 and the fixed plate 55, and then cooperates with the driving mechanism 57 to drive the brush disc 56 to rotate. In this way, the top surface of the filter 3 can be cleaned and dredged more thoroughly and effectively, avoiding the residue and grease in the kitchen waste water from clogging the filter 3, ensuring that the filter 3 can perform wastewater treatment work normally for a long time.

[0024] refer to Figure 2 , Figure 3 , Figure 4 , Figure 7 and Figure 8 The driving mechanism 57 includes an installation cavity 571 opened on the side of the fixed plate 55, and a plurality of rotating shafts 572 are rotatably connected to the bottom wall of the installation cavity 571 along the length direction of the fixed plate 55 at equal intervals, and the top ends of the plurality of rotating shafts 572 are fixedly connected to driving wheels 573. The driving mechanism 57 also includes two driving plates 574 symmetrically arranged inside the installation cavity 571, and the plurality of driving wheels 573 are located between the two driving plates 574 and conflict with the side surfaces of the two driving plates 574 that are close to each other. The driving mechanism 57 also includes a pushing unit 575 arranged on the fixed plate 55, and the pushing unit 575 is used to push the two driving plates 574 to reciprocate in a direction away from the second vertical rod 53 or close to the second vertical rod 53.

[0025] Specifically, the pushing unit 575 drives the two driving plates 574 to move back and forth in a direction away from the second vertical rod 53 or close to the second vertical rod 53, so that the driving wheel 573 can be driven to rotate back and forth, thereby driving the brush plate 56 to rotate back and forth stably, ensuring that the cleaning work of the filter 3 can be carried out smoothly and reliably.

[0026] refer to Figure 5 , Figure 7 and Figure 8 The pushing unit 575 includes two limiting sleeves 5751 symmetrically fixedly connected to the top of the fixed plate 55, the two limiting sleeves 5751 are movably inserted with a push rod 5752, the outer circumferential surface of the push rod 5752 is fixedly sleeved with a fixing ring 5753, the side of the fixing ring 5753 and the side of the limiting sleeve 5751 close to the second vertical rod 53 are fixedly connected with a first elastic member 5754, the top of the fixed plate 55 is provided with a moving groove, the bottom of the moving groove is connected to the mounting cavity 571, the bottom of the push rod 5752 is fixedly connected to a moving plate 5755, the bottom of the moving plate 5755 passes through the moving groove and is fixedly connected to the tops of the two driving plates 574 through a cross plate, and the moving plate 5755 is slidably connected in the moving groove, the pushing unit 575 includes a plurality of arc-shaped driving blocks 5756 fixedly connected to the inner side wall of the processing box 1 in an annular shape with equal angles, and the end of the push rod 5752 away from the second vertical rod 53 can conflict with the arc surface of the arc driving block 5756.

[0027] Specifically, when the push rod 5752 is driven by the motor 51 to revolve, the end of the push rod 5752 can alternately contact the arc-shaped surfaces of the multiple arc-shaped driving blocks 5756, so that the first elastic member 5754 can cooperate with the push rod 5752 to move back and forth in the direction of approaching or moving away from the second vertical rod 53. In this way, the push rod 5752 can drive the two driving plates 574 to move back and forth in the direction of moving away from the second vertical rod 53 or approaching the second vertical rod 53 through the movable plate 5755 and the cross plate, so that the driving wheel 573 can be driven to rotate back and forth, thereby driving the brush plate 56 to rotate back and forth stably, ensuring that the cleaning work of the filter 3 can be carried out smoothly and reliably. In this way, no additional power source is required to drive the driving plate 574 to move back and forth, thereby reducing the energy consumption of the equipment and improving the reliability and economy of the equipment.

[0028] refer to Figure 2 and Figure 3 A second cleaning component 6 is also provided in the processing box 1 , and the second cleaning component 6 is used to cooperate with the first cleaning component 5 to further clean and dredge the filter 3 .

[0029] refer to Figure 2-Figure 6 The second cleaning component 6 includes a slot 61 opened at the top of the second vertical rod 53, a plug plate 62 is movably inserted in the slot 61, the top of the plug plate 62 is fixedly connected to the bottom end of the first vertical rod 52, and a plurality of iron cross bars 63 are fixedly connected in a ring shape at equal angles on the outer circumference of the second vertical rod 53, and a plurality of cylinders 64 are fixedly connected in a ring shape at equal angles on the top wall of the processing box 1, and electromagnets 65 are fixedly connected to the output ends of the plurality of cylinders 64, and the electromagnets 65 are respectively located directly above the plurality of cross bars 63 and can adsorb the cross bars 63.

[0030] Specifically, the electromagnet 65 is energized to adsorb the cross bar 63, and then the cylinder 64 drives the electromagnet 65 to move back and forth up and down. The electromagnet 65 can cooperate with the plug plate 62 and the slot 61 to drive the second vertical rod 53 to move back and forth up and down, so that the filter 3 can intermittently collide with the bottom of the arc-shaped drive block 5756, thereby shaking off the residue and grease attached to the filter 3, thereby effectively cleaning and unblocking the filter 3.

[0031] refer to Figure 2 One end of the plurality of horizontal rods 63 away from the second vertical rod 53 is fixedly connected with a plurality of scrapers 7 in a circular shape at equal angles, and the side surfaces of the plurality of scrapers 7 away from the second vertical rod 53 are in conflict with the inner wall of the processing box 1.

[0032] Specifically, the inner wall of the processing box 1 can be scraped and cleaned to prevent excessive residues and grease from being attached to the inner wall of the processing box 1.

[0033] refer to Figure 1 and Figure 2Two support blocks 8 are symmetrically and slidably connected on the inner bottom wall of the processing box 1, and a sealed box door 103 is hinged on the side of the processing box 1, and the sealed box door 103 is aligned with the slag collecting box 4.

[0034] Specifically, by sliding the two support blocks 8 in directions away from each other, the support blocks 8 and the bottom of the slag collecting box 4 can be offset, thereby facilitating the staff to pull the slag collecting box 4 out of the slag dropping pipe 31 through the sealed box door 103, thereby facilitating the cleaning of the residue collected inside the slag collecting box 4.

[0035] refer to Figure 2 Two arc-shaped limiting plates 81 are symmetrically fixedly connected to the tops of the two supporting blocks 8 , and the concave arc surfaces of the two limiting plates 81 are tightly against the outer peripheral surface of the slag collecting box 4 .

[0036] Specifically, the slag collecting box 4 can be more stably limited to ensure that the slag collecting box 4 will not shift so that the residue can smoothly fall into the slag collecting box 4 .

[0037] refer to Figure 2 , Figure 3 and Figure 6 A driving ring 9 is fixedly connected to the inner wall of the processing box 1. The driving ring 9 is located above the arc-shaped driving block 5756. The inner wall of the driving ring 9 is an arc shape. The arc shape of the inner side of the driving ring 9 and the arc surface of the arc-shaped driving block 5756 are perpendicular to each other.

[0038] Specifically, when the brush plate 56 moves back and forth up and down driven by the cylinder 64, the end of the push rod 5752 can come into contact with the arc-shaped inner wall of the drive ring 9, thereby driving the brush plate 56 to rotate, so that during the process of vibrating up and down to clean the filter 3, the brush plate 56 can still rotate to clean the filter 3, further improving the cleaning effect of the filter 3, and ensuring that the treatment device can reliably pre-purify the kitchen wastewater for a long time.

[0039] Working principle: When the device is used, the kitchen waste water is introduced into the treatment box 1 through the water inlet pipe 101, and then the kitchen waste water is filtered through the filter screen 3 and the residue collection box 4 and discharged through the water outlet pipe 102, thereby completing the pre-purification treatment of the kitchen waste water.

[0040] During the wastewater pretreatment process, the starting motor 51 drives the first vertical rod 52 and the second vertical rod 53 to rotate, and the second vertical rod 53 drives several groups of brush discs 56 to revolve through the fixed rod 54 and the fixed plate 55 to brush and clean the filter 3. At the same time, the motor 51 will drive the top rod 5752 to revolve. At this time, the end of the top rod 5752 can alternately contact the arc surfaces of multiple arc-shaped driving blocks 5756, so that it can cooperate with the first elastic member 5754 to make the top rod 5752 move back and forth in the direction of approaching or moving away from the second vertical rod 53. In this way, the top rod 5752 can drive the two driving plates 574 to move back and forth in the direction away from the second vertical rod 53 or close to the second vertical rod 53 through the movable plate 5755 and the cross plate, so that the driving wheel 573 can be driven to rotate back and forth, thereby driving the brush disc 56 to stably rotate back and forth, ensuring that the cleaning work of the filter 3 can be carried out smoothly and reliably.

[0041] Then the motor 51 is paused, and the electromagnet 65 is started to be energized to adsorb the cross bar 63, and then the electromagnet 65 is driven to move back and forth up and down through the cylinder 64. The electromagnet 65 can cooperate with the plug plate 62 and the slot 61 to drive the second vertical rod 53 to move back and forth up and down, so that the filter 3 can intermittently collide with the bottom of the arc-shaped driving block 5756, so as to shake off the residue and grease attached to the filter 3, so that the filter 3 can be effectively cleaned and dredged.

[0042] When the brush plate 56 moves back and forth up and down driven by the cylinder 64, the end of the push rod 5752 can contact the arc-shaped inner wall of the driving ring 9, thereby driving the brush plate 56 to rotate, so that the brush plate 56 can still rotate to clean the filter screen 3 during the up and down vibration to clean the filter screen 3, further improving the cleaning effect of the filter screen 3, and ensuring that the treatment device can reliably pre-purify the kitchen waste water for a long time.

[0043] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A sewage treatment device suitable for urban sewage treatment, comprising a treatment tank (1), characterized in that: A placement ring (2) is fixedly connected to the inner side wall of the processing box (1), an inverted cone-shaped filter screen (3) is inserted into the placement ring (2), a through hole is provided at the center of the filter screen (3), a slag drop pipe (31) is fixedly inserted into the inner side wall of the through hole, a slag collection box (4) is placed on the inner bottom wall of the processing box (1), the mouth of the slag collection box (4) is movably sleeved on the bottom end of the slag drop pipe (31), a filter hole is provided on the side wall of the slag collection box (4), and a first cleaning component (5) is provided in the processing box (1); The first cleaning component (5) is used to clean and dredge the filter (3). The first cleaning component (5) comprises a motor (51) fixedly connected to the top of the processing box (1). The first cleaning component (5) comprises a plurality of groups of brush discs (56) which are in a ring-shaped manner at equal angles and abut against the top surface of the filter (3). The plurality of brush discs (56) are connected to the output end of the motor (51). The first cleaning component (5) further comprises a plurality of driving mechanisms (57) which are arranged in a ring-shaped manner at equal angles in the processing box (1). The plurality of driving mechanisms (57) respectively drive the plurality of groups of brush discs (56) to rotate.

2. A sewage treatment equipment suitable for urban sewage treatment according to claim 1, characterized in that: The first cleaning assembly (5) further comprises a first vertical rod (52) arranged in the processing box (1); the output end of the motor (51) penetrates the top wall of the processing box (1) and is fixedly connected to the top of the first vertical rod (52); the bottom end of the first vertical rod (52) is connected to the second vertical rod (53); the bottom end of the second vertical rod (53) is fixedly connected to the top of the slag dropping pipe (31) via a plurality of connecting rods (531); a plurality of fixing rods (54) are fixedly connected to the outer peripheral surface of the second vertical rod (53) in an annular shape at equal angles; a plurality of fixing plates (55) are fixedly connected to one end of the plurality of fixing rods (54) away from the second vertical rod (53) in an annular shape at equal angles; a plurality of brush discs (56) are rotatably connected to the bottom of the plurality of fixing plates (55), respectively; each group of the plurality of brush discs (56) is equidistantly distributed along the length direction of the fixing plate (55); and a plurality of driving mechanisms (57) are respectively arranged on the plurality of fixing plates (55).

3. A sewage treatment equipment suitable for urban sewage treatment according to claim 2, characterized in that: The driving mechanism (57) comprises a mounting cavity (571) provided on a side surface of the fixing plate (55); a plurality of rotating shafts (572) are equidistantly connected to the bottom wall of the mounting cavity (571) for rotation along the length direction of the fixing plate (55); the top ends of the plurality of rotating shafts (572) are fixedly connected to driving wheels (573); the driving mechanism (57) further comprises two driving plates (574) symmetrically arranged inside the mounting cavity (571); the plurality of driving wheels (573) are located between the two driving plates (574) and are in contact with the side surfaces of the two driving plates (574) that are close to each other; and the driving mechanism (57) further comprises a pushing unit (575) provided on the fixing plate (55); the pushing unit (575) is used to push the two driving plates (574) to reciprocate in a direction away from the second vertical rod (53) or in a direction close to the second vertical rod (53).

4. A sewage treatment equipment suitable for urban sewage treatment according to claim 3, characterized in that: The pushing unit (575) comprises two limiting sleeves (5751) symmetrically fixedly connected to the top of the fixing plate (55), the two limiting sleeves (5751) are movably connected with a push rod (5752), a fixing ring (5753) is fixedly sleeved on the outer circumference of the push rod (5752), a first elastic member (5754) is fixedly connected between the side of the fixing ring (5753) and the side of the limiting sleeve (5751) close to the second vertical rod (53), a moving groove is opened on the top of the fixing plate (55), and the bottom of the moving groove and the installation cavity (571 ), the bottom of the top rod (5752) is fixedly connected to a movable plate (5755), the bottom of the movable plate (5755) passes through the movable groove and is fixedly connected to the top of the two drive plates (574) through the horizontal plate, the movable plate (5755) is slidably connected in the movable groove, the pushing unit (575) includes a plurality of arc-shaped driving blocks (5756) fixedly connected to the inner wall of the processing box (1) in an annular shape at equal angles, and the end of the top rod (5752) away from the second vertical rod (53) can be in conflict with the arc surface of the arc-shaped driving block (5756).

5. A sewage treatment equipment suitable for urban sewage treatment according to claim 4, characterized in that: A second cleaning component (6) is also provided in the processing box (1), and the second cleaning component (6) is used to cooperate with the first cleaning component (5) to further clean and dredge the filter screen (3).

6. The sewage treatment equipment suitable for urban sewage treatment according to claim 5, characterized in that: The second cleaning component (6) comprises a slot (61) provided at the top of the second vertical rod (53), a plug plate (62) being movably inserted in the slot (61), the top of the plug plate (62) being fixedly connected to the bottom of the first vertical rod (52), a plurality of iron cross bars (63) being fixedly connected in a ring shape at equal angles on the outer peripheral surface of the second vertical rod (53), a plurality of cylinders (64) being fixedly connected in a ring shape at equal angles on the top wall of the processing box (1), and an electromagnet (65) being fixedly connected to the output ends of the plurality of cylinders (64), the electromagnets (65) being respectively located directly above the plurality of cross bars (63) and being capable of adsorbing the cross bars (63).

7. The sewage treatment equipment suitable for urban sewage treatment according to claim 6, characterized in that: One end of the plurality of horizontal bars (63) away from the second vertical bar (53) is fixedly connected to a plurality of scrapers (7) in a circular shape at equal angles, and the side surfaces of the plurality of scrapers (7) away from the second vertical bar (53) are in contact with the inner wall of the processing box (1).

8. The sewage treatment equipment suitable for urban sewage treatment according to claim 7, characterized in that: Two support blocks (8) are symmetrically slidably connected to the inner bottom wall of the processing box (1), and a sealed box door (103) is hinged on the side of the processing box (1), and the sealed box door (103) is aligned with the slag collecting box (4).

9. The sewage treatment equipment suitable for urban sewage treatment according to claim 8, characterized in that: Two arc-shaped limiting plates (81) are symmetrically and fixedly connected to the tops of the two supporting blocks (8), and the concave arc surfaces of the two limiting plates (81) are tightly pressed against the outer peripheral surface of the slag collecting box (4).

10. The sewage treatment equipment suitable for urban sewage treatment according to claim 9, characterized in that: A drive ring (9) is fixedly connected to the inner wall of the processing box (1); the drive ring (9) is located above the arc-shaped drive block (5756); the inner wall of the drive ring (9) is arc-shaped; the arc shape of the inner side of the drive ring (9) and the arc surface of the arc-shaped drive block (5756) are arranged perpendicular to each other.

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