A cleaning device and method for sewage treatment

Abstract

The present invention provides a cleaning device and method for sewage treatment, which relates to the technical field of sewage treatment cleaning, including: a bracket; the bracket is rotatably connected to a rotating ring, the rotating ring is slidably connected to a supporting ring, the supporting ring is slidably connected to a connecting pipe, the connecting pipe is fixedly connected to a connecting screw, a receiving cavity is provided inside the connecting screw, and a supporting plate is fixedly connected to the side wall of the receiving cavity; a first rotating source, the driving shaft of the first rotating source is fixedly connected to a drilling auger, and the bracket is connected to a sliding mechanism; the supporting ring is fixedly connected to a first sliding rod, the bracket is connected to a driving mechanism, the connecting screw is threadedly connected to a connecting block, the connecting block is hinged to a connecting rod, a first linear driver is hinged between the connecting rod and the connecting block, and the connecting rod is connected to a material removal scraper, a liquid outlet pipe, a material removal auger, and a second rotating source. The present invention has the effect of reducing the difficulty of cleaning dried and hardened sludge by the material removal auger and improving the cleaning effect of attached sludge in the sewage tank.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment and cleaning, and in particular to a cleaning device and method for sewage treatment. Background Art

[0002] Sewage tanks, also known as sludge settling tanks, are important equipment used to remove suspended solids and sludge in sewage treatment systems. The principle is to rely on the gravity and volume difference of the fluid, as well as the sedimentation characteristics of the sludge particles, so that the sludge in the sewage settles downward, thereby forming a clear water layer on the upper layer. However, as the sludge continues to settle, a thick sludge layer will gradually form in the tank, which will not only affect the sedimentation effect, but may also cause problems such as pipe blockage, so the sludge in the tank needs to be cleaned.

[0003] For example, in the Chinese patent application document with publication number CN107790450A, entitled "A device for flushing a construction cement tank", when the cement tank needs to be cleaned, the two ends of the cleaning drive shaft are connected to the top connecting seat and the bottom connecting seat via the top bearing and the bottom bearing respectively, the top connecting seat and the bottom connecting seat are respectively clamped with the top and the bottom of the cement tank body, and a cleaning liquid is provided inside the cement tank body. The cleaning drive shaft drives the internal cleaning unit to rotate to drive the cleaning liquid to rotate, thereby cleaning the cement tank body.

[0004] Regarding the above-mentioned related technologies, since cement is easy to evaporate and dry in the air and then harden, the cleaning unit collides with the hardened cement, which makes the hardened cement difficult to clean and increases the probability of damage to the parts of the cleaning unit. In addition, the cleaning unit drives the cleaning liquid in the cement tank to rotate, and the cleaning liquid drives the cement to rotate. The vortex-shaped cleaning liquid rises near the side wall of the cement tank, and the removed cement contacts the inner side of the cement tank again, causing secondary pollution to the inner side of the cement tank after cleaning, thereby reducing the cleaning effect of the cement tank. Summary of the invention

[0005] In view of this, the present invention provides a cleaning device and method for sewage treatment, aiming to solve the problem that the cleaning unit may have the probability of parts damage when cleaning hardened cement, and the removed cement may cause secondary contamination to the inner side of the cleaned cement tank.

[0006] To solve the above technical problems, in the first aspect, the present invention provides a cleaning device for sewage treatment, comprising a bracket; the bracket is rotatably connected to a rotating ring, the rotating ring is slidably connected to a supporting ring, the supporting ring is slidably connected to a connecting pipe, the connecting pipe is fixedly connected to a connecting screw, an accommodating cavity is opened inside the connecting screw, the side wall of the accommodating cavity is fixedly connected to a supporting plate, the support plate is fixedly connected to a first rotating source, the driving shaft of the first rotating source is fixedly connected to a drilling auger, the bracket is connected to a sliding mechanism for driving the connecting screw to move in a vertical direction; the bottom surface of the support ring is fixedly connected to a first sliding rod, the bracket is connected to a driving mechanism for driving the first sliding rod to rotate, the connecting screw is threadedly connected to a connecting block, the connecting block is hinged with a connecting rod, a first linear drive is hinged between the connecting rod and the connecting block, and the connecting rod is connected to a material removal scraper, a liquid outlet pipe, a material removal auger and a second rotating source that drives the material removal auger to rotate.

[0007] By adopting the above technical solution, a certain amount of cleaning liquid is always maintained in the storage hole, so that the cleaning liquid in the storage hole softens the sludge at the bottom of the sewage tank, reducing the difficulty of the removal auger to clean the dried and hardened sludge. At the same time, the cleaning liquid at the bottom of the sewage tank near the inner side of the sewage tank flows into the storage hole and is discharged in time, reducing the secondary pollution of the inner side of the sewage tank caused by the mixture of the cleaning liquid and the scraped sludge, and improving the cleaning effect of the sludge attached to the sewage tank. In addition, the storage hole gathers the cleaning liquid in the sewage tank, and increases the liquid level of the cleaning liquid for the same amount of cleaning liquid, which is conducive to transporting the mixture of cleaning liquid and sludge to the outside of the sewage tank through the accommodating cavity in the connecting screw.

[0008] Optionally, the driving mechanism includes a third rotation source, a first pulley, a connecting pipe, a second pulley and a conveyor belt, the third rotation source is fixedly connected to the upper surface of the bracket, the first pulley is fixedly connected to the driving shaft of the third rotation source, the connecting pipe is fixedly connected to the upper surface of the connecting screw, the connecting pipe is rotatably connected to the support ring, the second pulley is slidably connected to the support ring, and the conveyor belt is sleeved on the outer side surfaces of the first pulley and the second pulley.

[0009] Optionally, the sliding mechanism includes a second linear driver and a transmission rod, the transmission rod is fixedly connected to the outer side surface of the support ring, and the second linear driver is fixedly connected between the rotating ring and the transmission rod.

[0010] Optionally, the bottom surface of the connecting screw is fixedly connected to a transmission tube, the bottom wall of the transmission tube is rotatably connected to a connecting ring, the bottom wall of the connecting ring is circumferentially fixedly connected to a plurality of second scrapers, the second scrapers are used to clean the sludge at the bottom of the sewage tank, the bottom surface of the first sliding rod is fixedly connected to a friction plate, and the upper surface of the connecting ring is fixedly connected to a friction part that can abut against the bottom surface of the friction plate.

[0011] By adopting the above technical solution, the first sliding rod drives the second scraper to rotate around the connecting screw through the friction plate, friction part and connecting ring, so that the second scraper and the drilling auger drill the storage hole together, thereby increasing the bottom area of ​​the storage hole, and then increasing the volume of the storage hole that can store cleaning liquid, further reducing the secondary pollution of the side wall of the sewage tank caused by the cleaning liquid and sludge mixture at the bottom of the sewage tank.

[0012] Optionally, a material delivery hole is provided on the side wall of the transmission pipe.

[0013] By adopting the above technical solution, when the drilling auger drills the storage hole, the drilled sludge enters the receiving chamber, and the sludge in the receiving chamber moves upward under the action of the drilling auger and is discharged from the feeding hole, thereby reducing the probability of sludge blocking the receiving chamber. When the cleaning liquid flows into the storage hole, the level of the cleaning liquid is higher than the feeding hole, and the cleaning liquid enters the receiving chamber through the opening at the bottom of the connecting screw and the feeding hole, thereby improving the efficiency of the cleaning liquid entering the receiving chamber.

[0014] Optionally, one end of the connecting rod away from the connecting screw is fixedly connected to a material cleaning shell, the material removal scraper is slidably connected to the material cleaning shell, the material removal scraper is fixedly connected to a transmission rack, and a fourth rotation source is fixedly connected inside the material cleaning shell, and the drive shaft fixed sleeve of the fourth rotation source is provided with a transmission gear that can mesh with the transmission rack.

[0015] By adopting the above technical solution, the fourth rotation source drives the removal scraper to move back and forth through the transmission gear and the transmission rack, so that the removal scraper moves while rotating around the connecting screw, thereby improving the cleaning effect of the removal scraper on the sludge on the inner side of the sewage tank.

[0016] Optionally, the support plate is fixedly connected to a protective shell, and the first rotation source is disposed in the protective shell.

[0017] By adopting the above technical solution, the first rotating source is arranged in the protective shell, and the protective shell is used to reduce the probability of the cleaning liquid and sludge damaging the first rotating source.

[0018] In a second aspect, the present invention provides a cleaning method for a cleaning device for sewage treatment, which is applied to a cleaning device for sewage treatment described in the first aspect, and the cleaning method is:

[0019] S1, the connecting screw rod extends into the sewage tank, the connecting rod is unfolded, the liquid outlet pipe outputs cleaning liquid, and the material removal scraper and the liquid outlet pipe clean the sludge on the inner side of the sewage tank;

[0020] S2, the drilling auger drills a storage hole in the sludge at the bottom of the sewage tank, and the cleaning liquid flows downward into the storage hole to soak the inside of the sludge;

[0021] S3, the material removal auger breaks up and cleans the sludge soaked at the bottom of the sewage tank, and the drilling auger transports the mixture of sludge and cleaning liquid at the bottom of the sewage tank upward to the outside of the sewage tank through the accommodating chamber.

[0022] By adopting the above technical scheme, the cleaning liquid at the bottom of the sewage tank flows into the storage hole, and the cleaning liquid in the storage hole soaks and softens the inside of the dried and hardened sludge at the bottom of the sewage tank. While the cleaning liquid flushes the sludge on the inner side of the sewage tank, the cleaning liquid softens the sludge at the bottom of the sewage tank. The cleaning liquid is reused, reducing the difficulty of cleaning the evaporated and dried sludge inside the sewage tank.

[0023] In summary, compared with the prior art, the present invention includes at least one of the following beneficial technical effects:

[0024] 1. A certain amount of cleaning liquid is always kept in the storage hole, so that the cleaning liquid in the storage hole softens the sludge at the bottom of the sewage tank, reducing the difficulty of the removal auger to clean the dried and hardened sludge. At the same time, the cleaning liquid at the bottom of the sewage tank near the inner side of the sewage tank flows into the storage hole and is discharged in time, reducing the secondary pollution of the inner side of the sewage tank caused by the mixture of the cleaning liquid and the scraped sludge, and improving the cleaning effect of the sludge attached to the sewage tank. In addition, the storage hole gathers the cleaning liquid in the sewage tank, and increases the liquid level of the cleaning liquid for the same amount of cleaning liquid, which is conducive to transporting the mixture of cleaning liquid and sludge to the outside of the sewage tank through the accommodating cavity in the connecting screw.

[0025] 2. The fourth rotation source drives the material removal scraper to move back and forth through the transmission gear and the transmission rack, so that the material removal scraper moves while rotating around the connecting screw rod, thereby improving the cleaning effect of the material removal scraper on the sludge on the inner side of the sewage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention;

[0027] Figure 2 It is a cross-sectional view of a rotating ring, a connecting pipe and a connecting screw rod according to an embodiment of the present invention;

[0028] Figure 3 It is a schematic structural diagram of the first rotation source and the drilling auger of an embodiment of the present invention;

[0029] Figure 4 It is a schematic diagram of the structure of the material removal auger and the second rotation source according to an embodiment of the present invention;

[0030] Figure 5 It is a schematic diagram of the internal structure of the cleaning shell according to an embodiment of the present invention;

[0031] Figure 6 It is a structural schematic diagram of the sliding mechanism and the driving mechanism of an embodiment of the present invention;

[0032] Figure 7 It is a schematic structural diagram of the second scraper, friction plate and friction member according to an embodiment of the present invention.

[0033] Explanation of the accompanying drawings: 1. bracket; 11. support rod; 2. rotating ring; 21. support ring; 211. first sliding rod; 3. connecting pipe; 31. connecting screw rod; 311. accommodating chamber; 4. support plate; 41. first rotation source; 42. drilling auger; 5. sliding mechanism; 51. second linear drive; 52. transmission rod; 6. driving mechanism; 61. third rotation source; 62. first pulley; 63. second pulley; 64. conveyor belt; 7. connecting block; 71. connecting rod; 72. first linear drive; 73. material removal scraper; 74. liquid outlet pipe; 75. material removal auger; 76. second rotation source; 77. protective shell; 8. transmission pipe; 81. connecting ring; 82. second scraper; 83. friction plate; 84. friction member; 85. feeding hole; 9. material cleaning shell; 91. transmission rack; 92. fourth rotation source; 93. transmission gear. DETAILED DESCRIPTION

[0034] To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be combined with the embodiments of the present invention. Figure 1-Figure 7 , the technical scheme of the embodiment of the present invention is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the present invention.

[0035] In the first aspect, this embodiment provides a cleaning device for sewage treatment, referring to Figure 1 , Figure 2 and Figure 3 A cleaning device for sewage treatment includes a bracket 1, a rotating ring 2, a support ring 21, a connecting pipe 3, a connecting screw 31, a drilling mechanism for drilling holes in the sludge condensed at the bottom of the sewage tank, a driving mechanism 6, a sliding mechanism 5, and a cleaning mechanism for cleaning the sludge attached to the inner side of the sewage tank. At the same time, the cleaning mechanism can transport cleaning liquid into the sewage tank.

[0036] Reference Figure 1 , Figure 2 and Figure 3 The bracket 1 is clamped on the side wall of the sewage tank opening, the rotating ring 2 is rotatably connected to the bracket 1, the support ring 21 is vertically slidably connected to the inner side of the rotating ring 2, the connecting pipe 3 is rotatably connected in the support ring 21, the bracket 1 is fixedly connected with the support rod 11, and the support rod 11 is vertically slidably connected to the connecting pipe 3. The bottom surface of the connecting pipe 3 is fixedly connected to the connecting screw 31, the connecting pipe 3 and the connecting screw 31 are coaxially arranged, the connecting screw 31 can extend into the interior of the sewage tank, and the bottom surface of the connecting screw 31 is provided with a receiving cavity 311, and the receiving cavity 311 is connected to the interior of the connecting pipe 3. The drilling mechanism is arranged in the receiving cavity 311, and the drilling mechanism includes a support plate 4, a first rotating source 41 and a drilling auger 42, the support plate 4 is fixedly connected to the inner side of the receiving cavity 311, the first rotating source 41 is fixedly connected to the upper surface of the support plate 4, and the drilling auger 42 is fixedly connected to the driving shaft of the first rotating source 41.

[0037] Reference Figure 1 , Figure 4 and Figure 5 The cleaning mechanism includes a first slide bar 211, a connecting block 7, a connecting rod 71, a first linear driver 72, a material removal scraper 73, a liquid outlet pipe 74, a material removal auger 75 and a second rotation source 76. The first slide bar 211 is fixedly connected to the bottom surface of the support ring 21, the connecting block 7 is threadedly connected to the outer wall of the connecting screw 31, and the connecting block 7 is slidably connected to the first slide bar 211, and the connecting block 7, the connecting screw 31 and the first slide bar 211 form a screw slider structure. The connecting rod 71 is hinged to the connecting block 7, and a plurality of connecting rods 71 ​​are arranged along the circumference of the connecting screw 31. The number of the first linear driver 72 is equal to that of the connecting rod 71. The first linear driver 72 is hinged between the connecting rod 71 and the connecting block 7, and the first linear driver 72 is telescopic to drive the connecting rod 71 to flip. The material removal scraper 73 and the liquid outlet pipe 74 are connected to one end of the connecting rod 71 away from the connecting screw 31, and the material removal scraper 73 rotates around the connecting screw 31 to clean the sludge on the inner wall of the sewage tank. The second rotating source 76 is fixedly connected to the connecting block 7, and the material removal auger 75 is fixedly connected to the driving shaft of the second rotating source 76. The driving mechanism 6 and the sliding mechanism 5 are arranged on the bracket 1, and the driving mechanism 6 is used to drive the first sliding rod 211 to rotate around the connecting screw 31, and the sliding mechanism 5 is used to drive the connecting screw 31 to reciprocate in the vertical direction. A protective shell 77 is fixedly connected to the upper surface of the support plate 4, and the first rotating source 41 is arranged in the protective shell 77. The protective shell 77 is used to reduce the probability of the cleaning liquid and sludge damaging the first rotating source 41.

[0038] When it is necessary to clean the sludge inside the sewage tank, the staff clamps the bracket 1 at the opening of the sewage tank, and the connecting screw 31 extends into the sewage tank, at which time the connecting rod 71 is in a retracted state. The first linear actuator 72 retracts to rotate the connecting rod 71 away from the connecting screw 31, and the connecting rod 71 unfolds, so that the material removal scraper 73 and the liquid outlet pipe 74 move closer to the inner side of the sewage tank until the material removal scraper 73 contacts the sludge on the inner side of the sewage tank. The driving mechanism 6 drives the support ring 21 to rotate around the central axis of the connecting screw 31. The support ring 21 drives the removal scraper 73 and the liquid outlet pipe 74 to rotate around the connecting screw 31 through the connecting rod 71. The liquid outlet pipe 74 sprays cleaning liquid onto the removal scraper 73. The sludge attached to the inner side of the sewage tank contacts the cleaning liquid on the surface of the removal scraper 73. The removal scraper 73 rotates to scrape off the sludge on the inner side of the sewage tank. While the cleaning liquid flushes the sludge on the surface of the removal scraper 73, the hardened sludge on the surface of the sewage tank softens when it encounters the cleaning liquid, thereby improving the cleaning effect of the removal scraper 73 on the sludge on the inner wall of the sewage tank.

[0039] Since the connecting screw 31, the support ring 21 and the first slide rod 211 form a screw slider structure, the support ring 21 can reciprocate in the vertical direction while rotating, and the material removal scraper 73 and the liquid outlet pipe 74 move in the vertical direction with the support ring 21, so that the material removal scraper 73 and the liquid outlet pipe 74 scrape the sludge on the entire inner side of the sewage tank.

[0040] The cleaning liquid outputted from the liquid outlet pipe 74 falls to the bottom of the sewage tank through the surface of the material removal scraper 73 and the inner side of the sewage tank, and the cleaning liquid preliminarily soaks the sludge at the bottom of the sewage tank. At the same time, the sliding mechanism 5 drives the connecting screw 31 to move downward, and the connecting screw 31 drives the first rotating source 41 to move downward through the support plate 4. The first rotating source 41 is started, thereby driving the drilling auger 42 to rotate while moving the drilling auger 42 downward, so as to drill the condensed and dried sludge at the bottom of the sewage tank out of the storage hole.

[0041] The cleaning liquid at the bottom of the sewage tank flows into the storage hole, and the cleaning liquid in the storage hole soaks and softens the inside of the dried and hardened sludge at the bottom of the sewage tank. Since the sludge deposited at the bottom of the sewage tank will block the discharge port opened at the bottom of the sewage tank, the drilling dragon rotates in the storage hole to transport the cleaning liquid into the receiving chamber 311, and the liquid level in the receiving chamber 311 rises, so that the drilling auger 42 transports the cleaning liquid to the outside of the sewage tank through the receiving chamber 311. The cleaning liquid output by the liquid outlet pipe 74 is balanced with the cleaning liquid transported by the drilling auger 42 to the receiving chamber 311, so that a certain amount of cleaning liquid is always maintained in the storage hole.

[0042] When the support ring 21 moves downward to the bottom of the sewage tank, the second rotation source 76 starts to drive the removal auger 75 to rotate, so that the removal auger 75 breaks up and cleans the sludge soaked at the bottom of the sewage tank. At the same time, the removal auger 75 transports the mixture of the broken sludge and cleaning liquid close to the connecting screw 31, and the drilling auger 42 transports the mixture of sludge and cleaning liquid in the sewage tank to the outside of the sewage tank through the accommodating cavity 311.

[0043] A certain amount of cleaning liquid is always kept in the storage hole, so that the cleaning liquid in the storage hole softens the sludge at the bottom of the sewage tank, reducing the difficulty of the removal auger 75 to clean the dried and hardened sludge. At the same time, the cleaning liquid at the bottom of the sewage tank near the inner side of the sewage tank flows into the storage hole and is discharged in time, reducing the secondary pollution of the inner side of the sewage tank caused by the mixture of the cleaning liquid and the scraped sludge, and improving the cleaning effect of the sludge attached to the sewage tank. In addition, the storage hole gathers the cleaning liquid in the sewage tank, and increases the liquid level of the cleaning liquid for the same amount of cleaning liquid, which is conducive to transporting the mixture of cleaning liquid and sludge to the outside of the sewage tank through the accommodating cavity 311 in the connecting screw 31.

[0044] Reference Figure 1 , Figure 2 and Figure 6 The driving mechanism 6 includes a third rotating source 61, a first pulley 62, a second pulley 63 and a conveyor belt 64. The third rotating source 61 is fixedly connected to the upper surface of the bracket 1, the first pulley 62 is fixedly connected to the driving shaft of the third rotating source 61, the second pulley 63 is slidably connected to the support ring 21, and the conveyor belt 64 is sleeved on the outer side of the first pulley 62 and the second pulley 63. The third rotating source 61 drives the support ring 21 to rotate around the central axis of the connecting screw 31 through the first pulley 62, the conveyor belt 64 and the second pulley 63 in turn. Since the first sliding rod 211 is fixedly connected to the support ring 21, the first sliding rod 211 can rotate around the central axis of the connecting screw 31, thereby enabling the material removal scraper 73 and the liquid outlet pipe 74 to rotate around the connecting screw 31, thereby removing the sludge on the inner side of the sewage tank.

[0045] Reference Figure 1 and Figure 2The sliding mechanism 5 is fixedly connected between the rotating ring 2 and the support ring 21. When the support ring 21 rotates, the sliding mechanism 5 and the rotating ring 2 rotate synchronously. The sliding mechanism 5 includes a second linear driver 51 and a transmission rod 52. The transmission rod 52 is fixedly connected to the outer side of the support ring 21. The second linear driver 51 is fixedly connected to the bottom surface of the rotating ring 2. The driving shaft of the second linear driver 51 is fixedly connected to the transmission rod 52. The second linear driver 51 is started to drive the transmission rod 52 to move in the vertical direction. The support ring 21 moves synchronously with the transmission rod 52. Since the support ring 21 is slidably connected to the second pulley 63, and the support ring 21 is rotatably connected to the connecting pipe 3, the support ring 21 drives the connecting screw 31 to move in the vertical direction through the connecting pipe 3, thereby realizing that the drilling auger 42 moves downward to drill the storage hole.

[0046] The movement stroke of the second linear actuator 51 is used to drive the hole-turning mechanism to drill the material storage hole, and the movement stroke of the connecting block 7 is used to drive the material removal scraper 73 and the liquid outlet pipe 74 to clean the sewage tank.

[0047] Reference Figure 3 and Figure 7 The bottom surface of the connecting screw rod 31 is fixedly connected with a transmission tube 8, the bottom wall of the transmission tube 8 is rotatably connected with a connecting ring 81, the bottom wall of the connecting ring 81 is fixedly connected with a plurality of second scrapers 82 along the circumferential direction, the outer side surfaces of the second scrapers 82 are inclined, and the second scrapers 82 are used to clean the sludge at the bottom of the sewage tank, the bottom surface of the first sliding rod 211 is fixedly connected with a friction plate 83, and the upper surface of the connecting ring 81 is fixedly connected with a friction member 84 that can abut against the bottom surface of the friction plate 83.

[0048] When the second linear actuator 51 drives the support ring 21 to move downward, the first slide bar 211 moves downward synchronously with the support ring 21, and the friction plate 83 moves synchronously with the first slide bar 211 to abut against the upper surface of the friction member 84. At the same time, the first slide bar 211 rotates around the connecting screw 31. The first slide bar 211 drives the second scraper 82 to rotate around the connecting screw 31 through the friction plate 83, the friction member 84 and the connecting ring 81, so that the second scraper 82 and the drilling auger 42 can drill the storage hole together, increasing the bottom area of ​​the storage hole, thereby increasing the volume of the cleaning liquid that can be stored in the storage hole, and further reducing the secondary pollution caused by the cleaning liquid and sludge mixture at the bottom of the sewage tank to the side wall of the sewage tank. When the second linear actuator 51 drives the support ring 21 to move upward, the first slide bar 211 moves upward synchronously with the friction plate 83, and the friction plate 83 is separated from the friction member 84, so that the second scraper 82 stops drilling.

[0049] Reference Figure 3, a feeding hole 85 is provided on the side wall of the transmission tube 8. When the drilling auger 42 is drilling the storage hole, the level of the sludge at the bottom of the sewage tank is lower than the feeding hole 85, and the drilled sludge enters the receiving chamber 311. The sludge in the receiving chamber 311 moves upward under the action of the drilling auger 42 and is discharged from the feeding hole 85, thereby reducing the probability of the sludge blocking the receiving chamber 311. When the cleaning liquid flows into the storage hole, the level of the cleaning liquid is higher than the feeding hole 85, and the cleaning liquid enters the receiving chamber 311 through the opening at the bottom of the connecting screw 31 and the feeding hole 85, thereby improving the efficiency of the cleaning liquid entering the receiving chamber 311.

[0050] Reference Figure 4 and Figure 5 The connecting rod 71 is fixedly connected to a cleaning shell 9 at one end away from the connecting screw rod 31, and a removing scraper 73 is slidably connected to the cleaning shell 9. The removing scraper 73 is fixedly connected to a transmission rack 91. A fourth rotation source 92 is fixedly connected inside the cleaning shell 9, and a driving shaft of the fourth rotation source 92 is fixedly sleeved with a transmission gear 93 that can mesh with the transmission rack 91.

[0051] The fourth rotation source 92 drives the material removal scraper 73 to move back and forth through the transmission gear 93 and the transmission rack 91, so that the material removal scraper 73 moves while rotating around the connecting screw 31, thereby improving the cleaning effect of the material removal scraper 73 on the sludge on the inner side of the sewage tank.

[0052] The implementation principle of a cleaning device for sewage treatment in an embodiment of the present invention is as follows: the connecting screw 31 extends into the sewage tank, the connecting rod 71 is unfolded, the liquid outlet pipe 74 outputs the cleaning liquid, and the material removal scraper 73 and the liquid outlet pipe 74 clean the sludge on the inner side of the sewage tank. The drilling auger 42 drills a storage hole in the sludge at the bottom of the sewage tank, and the cleaning liquid flows downward into the storage hole to soak the inside of the sludge. The material removal auger 75 breaks up and cleans the soaked sludge at the bottom of the sewage tank, and the drilling auger 42 transports the mixture of the sludge at the bottom of the sewage tank and the cleaning liquid upward to the outside of the sewage tank through the accommodating chamber 311.

[0053] In a second aspect, an embodiment of the present invention provides a cleaning method for a cleaning device for sewage treatment, which is applied to a cleaning device for sewage treatment in the first aspect, and the cleaning method is:

[0054] S1, the connecting screw 31 extends into the sewage tank, the connecting rod 71 is unfolded, the liquid outlet pipe 74 outputs the cleaning liquid, and the material removal scraper 73 and the liquid outlet pipe 74 clean the sludge on the inner side of the sewage tank;

[0055] S2, the drilling auger 42 drills a storage hole in the sludge at the bottom of the sewage tank, and the cleaning liquid flows downward into the storage hole to soak the inside of the sludge;

[0056] S3, the material removal auger 75 breaks up and cleans the sludge soaked at the bottom of the sewage tank, and the drilling auger 42 transports the mixture of sludge and cleaning liquid at the bottom of the sewage tank upward to the outside of the sewage tank through the accommodating chamber 311.

[0057] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0058] The above are preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A cleaning device for sewage treatment, comprising a bracket, characterized in that: The bracket is rotatably connected to a rotating ring, the rotating ring is slidably connected to a supporting ring, the supporting ring is slidably connected to a connecting pipe, the connecting pipe is fixedly connected to a connecting screw, an accommodating cavity is provided inside the connecting screw, a supporting plate is fixedly connected to a side wall of the accommodating cavity, the supporting plate is fixedly connected to a first rotating source, a driving shaft of the first rotating source is fixedly connected to a drilling auger, and the bracket is connected to a sliding mechanism for driving the connecting screw to move in a vertical direction; The bottom surface of the support ring is fixedly connected with a first slide bar, the bracket is connected with a driving mechanism for driving the first slide bar to rotate, the connecting screw is threadedly connected with a connecting block, the connecting block is hinged with a connecting rod, a first linear driver is hinged between the connecting rod and the connecting block, and the connecting rod is connected with a material removal scraper, a liquid outlet pipe, a material removal auger, and a second rotation source that drives the material removal auger to rotate; The bottom surface of the connecting screw is fixedly connected to a transmission tube, the bottom wall of the transmission tube is rotatably connected to a connecting ring, the bottom wall of the connecting ring is fixedly connected to a plurality of second scrapers along the circumferential direction, the second scrapers are used to clean the sludge at the bottom of the sewage tank, the bottom surface of the first sliding rod is fixedly connected to a friction plate, the upper surface of the connecting ring is fixedly connected to a friction part that can abut against the bottom surface of the friction plate; a feeding hole is opened on the side wall of the transmission tube.

2. A cleaning device for sewage treatment according to claim 1, characterized in that: The driving mechanism includes a third rotation source, a first pulley, a second pulley and a conveyor belt. The third rotation source is fixedly connected to the upper surface of the bracket, the first pulley is fixedly connected to the driving shaft of the third rotation source, the second pulley is slidably connected to the support ring, and the conveyor belt is sleeved on the outer side surfaces of the first pulley and the second pulley.

3. A cleaning device for sewage treatment according to claim 1, characterized in that: The sliding mechanism comprises a second linear driver and a transmission rod, wherein the transmission rod is fixedly connected to the outer side surface of the support ring, and the second linear driver is fixedly connected between the rotating ring and the transmission rod.

4. A cleaning device for sewage treatment according to claim 1, characterized in that: One end of the connecting rod away from the connecting screw is fixedly connected to a material cleaning shell, the material removing scraper is slidably connected to the material cleaning shell, the material removing scraper is fixedly connected to a transmission rack, a fourth rotation source is fixedly connected inside the material cleaning shell, and a driving shaft fixed sleeve of the fourth rotation source is provided with a transmission gear that can mesh with the transmission rack.

5. A cleaning device for sewage treatment according to claim 1, characterized in that: The support plate is fixedly connected to a protective shell, and the first rotation source is arranged in the protective shell.

6. A cleaning method for a sewage treatment cleaning device, applied to the sewage treatment cleaning device according to claim 1, characterized in that: include: S1, the connecting screw rod extends into the sewage tank, the connecting rod is unfolded, the liquid outlet pipe outputs cleaning liquid, and the material removal scraper and the liquid outlet pipe clean the sludge on the inner side of the sewage tank; S2, the drilling auger drills a storage hole in the sludge at the bottom of the sewage tank, and the cleaning liquid flows downward into the storage hole to soak the inside of the sludge; S3, the material removal auger breaks up and cleans the sludge soaked at the bottom of the sewage tank, and the drilling auger transports the mixture of sludge and cleaning liquid at the bottom of the sewage tank upward to the outside of the sewage tank through the accommodating chamber.

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