Wastewater treatment equipment for tank cleaning

Abstract

The invention discloses waste water treatment equipment for tank cleaning, and belongs to the technical field of tank cleaning, the waste water treatment equipment comprises a main body module, a pretreatment module and a filter element module, the main body module comprises two supporting frames, the tops of the two supporting frames are fixedly connected with draining and discharging boxes, and the draining and discharging boxes are arranged in the main body module; a liquid inlet box is fixedly connected between the interiors of the two draining and discharging boxes, the bottoms of the two draining and discharging boxes are both obliquely arranged, an upper tank body is fixedly connected to the bottom of the liquid inlet box, and through the arrangement of a rolling filtering assembly, a connecting gear, a driving motor, a rolling assembly, a draining net and a cleaning and vibrating assembly, the upper tank body is fixedly connected to the bottom of the liquid inlet box; the equipment can realize preliminary filtration treatment on wastewater, large impurities can be separated in advance and then directly discharged, and the impurities are subjected to pressing and vibration draining treatment, so that the situation that a subsequent filter cartridge needs to be frequently disassembled for cleaning is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of tank cleaning, and more particularly to a wastewater treatment device for tank cleaning. Background Art

[0002] Tank containers are used to hold various forms of goods and can meet the temporary storage and transportation of various forms of goods. Tank containers are the main transportation containers for modern industrial logistics. They have the advantages of safety, environmental protection, good economy and high efficiency. After a period of use, the tank containers need to be cleaned, and the wastewater after cleaning needs to be treated by wastewater treatment equipment; The current wastewater treatment equipment is equipped with a filter component, which filters the wastewater. When the filter component is in use, when there are many impurities, the filter cartridge inside the machine needs to be replaced frequently due to the large number of impurities. However, frequent replacement will still affect the filtering efficiency of the wastewater and the smoothness of the process, and the functionality is insufficient. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a wastewater treatment device for tank cleaning, which adopts the following technical solution: A wastewater treatment equipment for tank box cleaning, comprising a main module, a pretreatment module and a filter element module, the main module comprising two support frames, the tops of the two support frames are fixedly connected with a drain discharge box, the interiors of the two drain discharge boxes are fixedly connected with a liquid inlet box, the bottoms of the two drain discharge boxes are inclined, the bottoms of the liquid inlet boxes are fixedly connected with an upper tank body, a fixing plate is fixedly connected between adjacent sides of the two support frames, the interior of the fixing plate is fixedly connected with a lower tank body, the filter element module is arranged between the upper tank body and the lower tank body, the two drain discharge boxes and the upper tank body are fixedly connected with a reflux tank, the pretreatment module comprises two rolling filter assemblies respectively arranged between the two drain discharge boxes and the interior of the liquid inlet box, and the front end face and the rear end face of the inner wall of the liquid inlet box are between A diverter plate is fixedly connected, and the diverter plate is located between the two rolling filter assemblies. The two rolling filter assemblies are fixedly connected with connecting gears, and the outer surfaces of the two connecting gears are meshed with each other. The rear end face of the liquid inlet box is fixedly connected with a driving motor, and the driving motor is connected to one of the rolling filter assemblies. Two rolling assemblies are rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box, and the two rolling assemblies are respectively connected to the two connecting gears. The interiors of the two drain discharge boxes are movably connected with drain nets, and a plurality of elastic parts are fixedly connected between the bottoms of the two drain nets and the inner walls of the two drain discharge boxes. Cleaning vibration assemblies are provided inside the two drain discharge boxes, and the two cleaning vibration assemblies are respectively connected to one of the drain nets and one of the rolling filter assemblies.

[0004] Furthermore, the rolling filter assembly includes three guide rollers, two of which are rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box, another of which is rotatably connected between the front end face and the rear end face of the inner wall of one of the drainage discharge boxes, a filter mesh belt is transmission-connected between the outer surfaces of the three guide rollers, one end of the three guide rollers is fixedly connected to a sprocket, a chain is transmission-connected between the outer surfaces of the three sprockets, and the chain is located outside the liquid inlet box.

[0005] Furthermore, one of the connecting gears is fixedly connected to one of the sprockets, and the output shaft of the driving motor is fixedly connected to the other end of one of the guide rollers located inside the liquid inlet box.

[0006] Furthermore, the rolling assembly includes a pressing roller rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box, the outer surface of the pressing roller contacts the outer surface of the filter mesh belt, one end of the pressing roller extends to the outside of one of the drainage discharge boxes, one end of the pressing roller and the outer surface of one of the connecting gears are fixedly connected with a first transmission belt, and the outer surfaces of the two first transmission rollers are transmission-connected with a first transmission belt.

[0007] Furthermore, the cleaning vibration assembly includes a cleaning roller brush rotatably connected between the front end face and the rear end face of the inner wall of one of the drain discharge boxes, both ends of the cleaning roller brush extend to the outside of one of the drain discharge boxes, the outer surface of the cleaning roller brush contacts the outer surface of the filter belt, one end of the guide roller inside the drain discharge box and the outer surface of the cleaning roller brush are fixedly connected to a second transmission roller, and a second transmission belt is transmission-connected between the outer surfaces of the two second transmission rollers.

[0008] Furthermore, the cleaning vibration assembly also includes two crankshafts respectively fixedly connected to the two ends of the cleaning roller brush, and the outer surfaces of the two crankshafts are movably sleeved with swing arms, the top of one of the drain nets is fixedly connected to two fixed plates, and the opposite sides of the two fixed plates are fixedly connected to connecting shafts, the front end face and the rear end face of one of the drain discharge boxes are provided with vibration grooves, and the two connecting shafts extend to the outside of one of the drain discharge boxes through the two vibration grooves, and one end of the two swing arms is movably sleeved on the outer surfaces of the two connecting shafts.

[0009] Furthermore, the filter element module includes two mounting seats respectively fixedly connected to the outer surfaces of the upper tank body and the lower tank body, a vertical rod is fixedly connected between the two mounting seats, and the outer surface rotating sleeve of the vertical rod is provided with two mounting sleeves, the interiors of the two mounting sleeves are fixedly connected to the middle tank body, the interior of the middle tank body is fixedly connected with a middle plate, and the interior of the middle plate is provided with multiple filter components, the outer surface of the upper tank body is provided with a driving component, the driving component is connected to the driving motor and the outer surface of the middle tank body, the top and bottom of the middle tank body are provided with connecting components, and the two connecting components are respectively connected to the bottom of the upper tank body and the top of the lower tank body.

[0010] Furthermore, the connecting assembly includes a first annular groove opened on the top of the middle tank body, a second annular groove is opened on the bottom of the upper tank body, an annular sealing plate is movably connected between the first annular groove and the inside of the second annular groove, a plurality of sealing springs are fixedly connected between the bottom of the annular sealing plate and the bottom of the inner wall of the first annular groove, a plurality of balls are movably connected to the top of the annular sealing plate, the outer surfaces of the plurality of balls are in contact with the top of the inner wall of the second annular groove, three drawing grooves are opened on the outer surface of the middle tank body, three disassembly pieces are fixedly connected to the outer surface of the annular sealing plate, and the three disassembly pieces extend to the outside of the middle tank body through the three drawing grooves respectively.

[0011] Furthermore, the driving assembly includes two connecting seats fixedly connected to the outer surface of the upper tank body, a driving rod is rotatably connected between the insides of the two connecting seats, the top end of the driving rod and the outer surface of the driving motor output shaft are fixedly connected with bevel gears, the outer surfaces of the two bevel gears are meshed with each other, the bottom end of the driving rod is fixedly connected with a pinion, the outer surface of the middle tank body is fixedly connected with a gear ring, and the outer surface of the pinion is meshed with the outer surface of the gear ring.

[0012] Furthermore, the filter assembly includes a mounting groove opened inside the middle plate, the interior of the mounting groove is fixedly connected to a magnetic ring, the top of the magnetic ring is magnetically connected to a metal ring, the inner wall of the metal ring is fixedly connected to a filter cartridge, and the bottom of the filter cartridge passes through the magnetic ring and the middle plate.

[0013] In summary, the present invention includes the following beneficial technical effects: (1) The present invention uses the arrangement of a rolling filter assembly, a connecting gear, a driving motor, a roller pressing assembly, a draining net and a cleaning vibration assembly to enable the device to achieve preliminary filtration treatment of wastewater, wherein larger impurities will be separated in advance and discharged directly, and the impurities are pressed and vibrated to drain, thereby avoiding the need for frequent removal and cleaning of the subsequent filter cartridge; (2) The present invention uses the arrangement of the conical gear, the driving rod, the pinion, the middle tank body and the ball bearing to drive the filter cartridge to rotate while filtering the wastewater, thereby improving the filtering effect; (3) The present invention arranges the installation sleeve, the vertical rod, the disassembly sheet, the sealing spring and the annular sealing plate so that when the filter cartridge needs to be disassembled, the middle tank body can be separated from the upper tank body and the lower tank body, thereby facilitating the disassembly of the filter cartridge and facilitating the operation of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 2 It is a schematic diagram of opening the filter element module of the present invention; Figure 3 It is a structural schematic diagram of the filter element module of the present invention; Figure 4 It is a structural schematic diagram of the transmission assembly of the present invention; Figure 5 It is an exploded schematic diagram of the rolling assembly and the connecting gear of the present invention; Figure 6 This is a schematic diagram of the position of the disassembly piece of the present invention; Figure 7 It is a schematic cross-sectional structural diagram of the filter element module of the present invention; Figure 8 For the present invention Figure 3 The enlarged structural diagram at A in the middle; Fig. 9 For the present invention Figure 5 The enlarged structural diagram at B in the middle; Fig.10 For the present invention Figure 5 The enlarged structural diagram at C in the middle; Fig.11 For the present invention Figure 7 Enlarged structural diagram at D in the middle.

[0015] Description of the numbers in the figure: 100, main body module; 110, support frame; 120, drainage discharge box; 130, liquid inlet box; 140, upper tank body; 150, lower tank body; 160, reflux tank; 200, pre-treatment module; 210, rolling filter assembly; 211, guide roller; 212, filter belt; 213, sprocket; 214, chain; 220, splitter plate; 230, connecting gear; 240, drive motor; 250, rolling assembly; 251, pressing roller; 252, first transmission roller; 253, first transmission belt; 260, drain net; 270, cleaning vibration assembly; 271, cleaning roller brush; 272, second transmission roller; 273, second transmission belt; 274, crankshaft; 275, swing arm; 276, connecting shaft; 300, filter element module; 310, vertical rod; 320, mounting sleeve; 330, middle tank body; 340, drive assembly; 341, connecting seat; 342, drive rod; 343, pinion; 344, gear ring; 345, bevel gear; 350, connecting assembly; 351, annular sealing plate; 352, sealing spring; 353, ball bearing; 354, disassembly piece; 360, middle plate; 370, filter assembly; 371, magnetic ring; 372, metal ring; 373, filter cartridge. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0017] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] The following is combined with Figure 1-11 The present invention is described in further detail.

[0020] A wastewater treatment device for tank cleaning, comprising a main module 100, a pretreatment module 200 and a filter element module 300, the main module 100 comprises two support frames 110, the tops of the two support frames 110 are fixedly connected with a drain discharge box 120, the interiors of the two drain discharge boxes 120 are fixedly connected with a liquid inlet box 130, the bottoms of the two drain discharge boxes 120 are inclined, the bottoms of the liquid inlet box 130 are fixedly connected with an upper tank body 140, the two support frames 110 are fixedly connected with a drain discharge box 120, and the drain discharge boxes 120 are fixedly connected with a liquid inlet box 130. A fixing plate is fixedly connected between adjacent sides of the frame 110, and a lower tank body 150 is fixedly connected inside the fixing plate. The filter element module 300 is arranged between the upper tank body 140 and the lower tank body 150. A reflux tank 160 is fixedly connected between the two drain discharge boxes 120 and the upper tank body 140. The pretreatment module 200 includes two rolling filter assemblies 210 respectively arranged between the two drain discharge boxes 120 and the inside of the liquid inlet box 130. The front end surface and the rear end surface of the inner wall of the liquid inlet box 130 are A diverter plate 220 is fixedly connected between the two surfaces, and the diverter plate 220 is located between the two rolling filter assemblies 210. Connecting gears 230 are fixedly connected to the two rolling filter assemblies 210, and the outer surfaces of the two connecting gears 230 are meshed with each other. The rear end face of the liquid inlet box 130 is fixedly connected to a driving motor 240, and the driving motor 240 is connected to one of the rolling filter assemblies 210. Two rolling assemblies 250 are rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box 130, and the two rolling assemblies 250 are respectively connected to the two connecting gears 230. The interiors of the two drain discharge boxes 120 are movably connected with drain nets 260, and a plurality of elastic parts are fixedly connected between the bottoms of the two drain nets 260 and the inner walls of the two drain discharge boxes 120. A cleaning vibration assembly 270 is provided inside the two drain discharge boxes 120, and the two cleaning vibration assemblies 270 are respectively connected to one of the drain nets 260 and one of the rolling filter assemblies 210.

[0021] During use, the wastewater to be filtered is poured into the liquid inlet box 130, and the wastewater is diverted to the two rolling filter assemblies 210 through the diverter plate 220. The driving motor 240 is turned on to drive one of the rolling filter assemblies 210, and the two connecting gears 230 are engaged to make the two rolling filter assemblies 210 roll. The rolling filter assemblies 210 perform preliminary filtering on the wastewater, and the filtered waste liquid will enter the upper tank body 140. The impurities preliminarily filtered out of the two rolling filter assemblies 210 will be driven to the roller pressing assembly 250, and the roller pressing assembly 250 will be driven to the roller pressing assembly 250. The connecting gear 230 will be driven to roll and press the impurities, thereby squeezing out the waste water in the impurities, and the subsequent impurities will be rolled into the drain discharge box 120, and the cleaning vibration component 270 is driven by the rolling filter component 210, and the cleaning vibration component 270 sweeps the impurities on the rolling filter component 210 down to the top of the drain net 260, and the cleaning vibration component 270 drives the drain net 260 to vibrate to drain the impurities, and the drain net 260 is inclined, so that the impurities will be gradually vibrated out of the drain discharge box 120, completing the treatment of the impurities.

[0022] The rolling filter assembly 210 includes three guide rollers 211, two of which are rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box 130, and another guide roller 211 is rotatably connected between the front end face and the rear end face of the inner wall of one of the drain discharge boxes 120. A filter belt 212 is transmission-connected between the outer surfaces of the three guide rollers 211, and one end of the three guide rollers 211 is fixedly connected to a sprocket 213, and a chain 214 is transmission-connected between the outer surfaces of the three sprockets 213. The chain 214 is located outside the liquid inlet box 130, and one of the connecting gears 230 is connected to it. The output shaft of the driving motor 240 is fixedly connected to the other end of one of the guide rollers 211 located inside the liquid inlet box 130, and the rolling assembly 250 includes a pressing roller 251 rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box 130, and the outer surface of the pressing roller 251 contacts the outer surface of the filter mesh belt 212, and one end of the pressing roller 251 extends to the outside of one of the drain discharge boxes 120, and one end of the pressing roller 251 and the outer surface of one of the connecting gears 230 are fixedly connected with a first transmission belt 253, and the outer surfaces of the two first transmission rollers 252 are connected to each other. The cleaning vibration assembly 270 includes a cleaning roller brush 271 rotatably connected between the front end face and the rear end face of the inner wall of one of the drain discharge boxes 120, both ends of the cleaning roller brush 271 extend to the outside of one of the drain discharge boxes 120, and the outer surface of the cleaning roller brush 271 contacts the outer surface of the filter belt 212, and one end of the guide roller 211 inside one of the drain discharge boxes 120 and the outer surface of the cleaning roller brush 271 are fixedly connected with a second transmission roller 272, and the outer surfaces of the two second transmission rollers 272 are transmission-connected with a second transmission belt 273, The vibration assembly 270 also includes two crankshafts 274 respectively fixedly connected to the two ends of the cleaning roller brush 271, and the outer surfaces of the two crankshafts 274 are movably sleeved with swing arms 275. The top of one of the drain nets 260 is fixedly connected to two fixed plates, and the opposite sides of the two fixed plates are fixedly connected to connecting shafts 276. The front end face and the rear end face of one of the drain discharge boxes 120 are both provided with vibration grooves, and the two connecting shafts 276 extend to the outside of one of the drain discharge boxes 120 through the two vibration grooves, and one end of the two swing arms 275 is movably sleeved on the outer surfaces of the two connecting shafts 276.

[0023] The driving motor 240 is turned on to drive one of the guide rollers 211. Through the meshing of the two connecting gears 230, the two guide rollers 211 roll and drive the sprocket 213. The sprocket 213 drives the other guide roller 211 to rotate through the chain 214. The guide roller 211 drives the filter belt 212 to roll. The filtered waste liquid will enter the upper tank body 140. The impurities initially filtered out on the two filter belts 212 will be driven to the pressing roller 251. The rolling assembly 250 will be driven by the connecting gear 230 through the first transmission belt 253, so that the first transmission belt 253 rolls to press the impurities, thereby squeezing out the wastewater in the impurities. The subsequent impurities will be rolled into the drain discharge box 120. The cleaning roller brush 271 is driven by one of the guide rollers 211 through the second transmission belt 273, so that the cleaning roller brush 271 sweeps the impurities on the filter belt 212 and drops them to the top of the drain net 260, and the cleaning roller brush 271 reciprocates to push the swing arm 275 through the crankshaft 274, and the swing arm 275 pushes the drain net 260 through the connecting shaft 276. The elastic member is a structure of a telescopic rod plus a spring, and the spring is sleeved on the outside of the telescopic rod, so that the drain net 260 is vibrated by the swing arm 275 through the cooperation of the spring and the telescopic rod, thereby draining the impurities, and the drain net 260 is inclined, so that the impurities will be gradually vibrated out of the drain discharge box 120, completing the preliminary treatment of the impurities.

[0024] The filter element module 300 includes two mounting seats respectively fixedly connected to the outer surfaces of the upper tank body 140 and the lower tank body 150, a vertical rod 310 is fixedly connected between the two mounting seats, two mounting sleeves 320 are rotatably sleeved on the outer surface of the vertical rod 310, a middle tank body 330 is fixedly connected between the insides of the two mounting sleeves 320, a middle plate 360 ​​is fixedly connected to the inside of the middle tank body 330, a plurality of filter components 370 are arranged inside the middle plate 360, and a driving component 340 is arranged on the outer surface of the upper tank body 140. 0, the driving assembly 340 is connected to the driving motor 240 and the outer surface of the middle tank body 330, the top and bottom of the middle tank body 330 are both provided with a connection assembly 350, the two connection assemblies 350 are respectively connected to the bottom of the upper tank body 140 and the top of the lower tank body 150, the connection assembly 350 includes a first annular groove opened on the top of the middle tank body 330, and a second annular groove is opened at the bottom of the upper tank body 140. An annular sealing plate 351 is movably connected between the inside of the first annular groove and the second annular groove, and the annular sealing plate 351 is movably connected between the inside of the first annular groove and the second annular groove. A plurality of sealing springs 352 are fixedly connected between the bottom of the sealing plate 351 and the bottom of the inner wall of the first annular groove, a plurality of balls 353 are movably connected to the top of the annular sealing plate 351, and the outer surfaces of the plurality of balls 353 are in contact with the top of the inner wall of the second annular groove, three grooves are formed on the outer surface of the middle tank body 330, and three disassembly pieces 354 are fixedly connected to the outer surface of the annular sealing plate 351, and the three disassembly pieces 354 extend to the outside of the middle tank body 330 through the three grooves respectively, and the driving assembly 340 includes There are two connecting seats 341 fixedly connected to the outer surface of the upper tank body 140, and a driving rod 342 is rotatably connected between the insides of the two connecting seats 341. The top of the driving rod 342 and the outer surface of the output shaft of the driving motor 240 are fixedly connected with a bevel gear 345, and the outer surfaces of the two bevel gears 345 are meshed with each other. The bottom end of the driving rod 342 is fixedly connected with a pinion 343, and the outer surface of the middle tank body 330 is fixedly connected with a ring gear 344, and the outer surface of the pinion 343 is meshed with the outer surface of the ring gear 344.

[0025] When the driving motor 240 is driven, the driving rod 342 will be driven to rotate through the meshing of the two bevel gears 345. During the rotation of the driving rod 342, the pinion 343 will be driven to drive the ring gear 344. The ring gear 344 drives the middle tank body 330 to rotate inside the two mounting sleeves 320, and the ball 353 rolls, while driving multiple filter cartridges 373 to rotate, so as to facilitate the filtering of wastewater and improve the filtering efficiency. At the same time, when the filter cartridge 373 is subsequently disassembled, the filter cartridge 373 can also rotate to throw out the wastewater contained in the impurities inside it.

[0026] The filter assembly 370 includes a mounting groove opened inside the middle plate 360, and a magnetic ring 371 is fixedly connected inside the mounting groove. A metal ring 372 is magnetically connected to the top of the magnetic ring 371, and a filter cartridge 373 is fixedly connected to the inner wall of the metal ring 372. The bottom of the filter cartridge 373 passes through the magnetic ring 371 and the middle plate 360.

[0027] Pressing the disassembly piece 354 can drive the annular sealing plate 351 and the ball 353 to be retracted into the interior of the first annular groove and press the sealing spring 352 to contract. Subsequently, rotating the mounting sleeve 320 outward can drive the middle tank body 330 to separate from the upper tank body 140 and the lower tank body 150. Subsequently, the metal ring 372 is pulled upward to separate from the metal ring 372, and the filter cartridge 373 inside the middle tank body 330 can be disassembled, making the filter cartridge 373 easy to disassemble and easy to use.

[0028] The implementation principle of the embodiment of the present invention is as follows: during use, the wastewater to be filtered is poured into the liquid inlet box 130, and the wastewater is diverted to the two filter belts 212 through the diverter plate 220. The filter belts 212 perform preliminary filtration on the wastewater, and the drive motor 240 is turned on to drive one of the guide rollers 211. Through the meshing of the two connecting gears 230, the two guide rollers 211 roll and drive the sprocket 213. The sprocket 213 drives the other guide roller 211 to rotate through the chain 214. The guide roller 211 drives the filter belt 212 to roll, and the filtered waste liquid will enter the upper tank body 140. The impurities preliminarily filtered out on the two filter belts 212 will be driven to the pressing roller 251, and the roller pressing assembly 250 will The cleaning roller brush 271 is driven by one of the guide rollers 211 through the second transmission belt 273, so that the cleaning roller brush 271 sweeps the impurities on the filter belt 212 and drops them to the top of the drain net 260, and the cleaning roller brush 271 reciprocates to push the swing arm 275 through the crankshaft 274, and the swing arm 275 pushes the drain net 260 through the connecting shaft 276. The elastic member is a structure of a telescopic rod plus a spring, and the spring is sleeved on the outside of the telescopic rod, so that the drain net 260 is moved by the swing arm through the cooperation of the spring and the telescopic rod. 275 is driven to vibrate, thereby draining impurities, and the drain net 260 is set to be inclined, so that the impurities will be gradually vibrated and discharged from the drain discharge box 120, completing the preliminary treatment of the impurities, and the waste liquid inside the drain discharge box 120 will flow back to the upper tank body 140 through the reflux tank 160, and the waste water that has been initially filtered will enter the middle tank body 330 and be further filtered through multiple filter cartridges 373. When the drive motor 240 is driven, the two bevel gears 345 will be engaged to drive the drive rod 342 to rotate. During the rotation of the drive rod 342, the pinion 343 will be driven to drive the ring gear 344, and the ring gear 344 will drive the middle tank body 330 to rotate inside the two mounting sleeves 320. In addition, the ball 353 rolls and drives multiple filter cartridges 373 to rotate at the same time, which facilitates the filtering of wastewater and improves the filtering efficiency. At the same time, when the filter cartridge 373 is subsequently disassembled, the filter cartridge 373 can rotate to throw out the wastewater contained in the impurities inside it. When the filter cartridge 373 needs to be disassembled later, pressing the disassembly piece 354 can drive the annular sealing plate 351 and the ball 353 to be retracted into the first annular groove and press the sealing spring 352 to contract. Subsequently, rotating the mounting sleeve 320 outward can drive the middle tank body 330 to separate from the upper tank body 140 and the lower tank body 150. Subsequently, the metal ring 372 is pulled upward to separate from the metal ring 372, and the filter cartridge 373 inside the middle tank body 330 can be disassembled, making the filter cartridge 373 easy to disassemble and easy to use.

[0029] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wastewater treatment device for tank cleaning, comprising a main module (100), a pretreatment module (200) and a filter element module (300), characterized in that: The main body module (100) comprises two support frames (110), the tops of the two support frames (110) are fixedly connected to a drainage discharge box (120), the interiors of the two drainage discharge boxes (120) are fixedly connected to a liquid inlet box (130), the bottoms of the two drainage discharge boxes (120) are arranged at an inclination, the bottoms of the liquid inlet boxes (130) are fixedly connected to an upper tank body (140), a fixing plate is fixedly connected between adjacent sides of the two support frames (110), the interior of the fixing plate is fixedly connected to a lower tank body (150), the filter element module (300) is arranged between the upper tank body (140) and the lower tank body (150), and a reflux tank (160) is fixedly connected between the two drainage discharge boxes (120) and the upper tank body (140); The pretreatment module (200) comprises two rolling filter assemblies (210) respectively arranged between two drainage discharge boxes (120) and the inside of a liquid inlet box (130); a diverter plate (220) is fixedly connected between the front end face and the rear end face of the inner wall of the liquid inlet box (130); the diverter plate (220) is located between the two rolling filter assemblies (210); connecting gears (230) are fixedly connected to the two rolling filter assemblies (210); the outer surfaces of the two connecting gears (230) are meshed with each other; a driving motor (240) is fixedly connected to the rear end face of the liquid inlet box (130); the driving motor (240) is connected to one of the rolling filter assemblies (210); ), two roller assemblies (250) are rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box (130), the two roller assemblies (250) are respectively connected to the two connecting gears (230), the interiors of the two drain discharge boxes (120) are movably connected with a drain net (260), a plurality of elastic parts are fixedly connected between the bottoms of the two drain nets (260) and the inner walls of the two drain discharge boxes (120), and the interiors of the two drain discharge boxes (120) are provided with a cleaning vibration assembly (270), and the two cleaning vibration assemblies (270) are respectively connected to one of the drain nets (260) and one of the rolling filter assemblies (210).

2. The wastewater treatment equipment for tank cleaning according to claim 1, characterized in that: The rolling filter assembly (210) comprises three guide rollers (211), wherein two of the guide rollers (211) are rotatably connected between the front end face and the rear end face of the inner wall of the liquid inlet box (130), wherein another guide roller (211) is rotatably connected between the front end face and the rear end face of the inner wall of one of the drainage discharge boxes (120), a filter mesh belt (212) is transmission-connected between the outer surfaces of the three guide rollers (211), one end of each of the three guide rollers (211) is fixedly connected to a sprocket (213), and a chain (214) is transmission-connected between the outer surfaces of the three sprockets (213), and the chain (214) is located outside the liquid inlet box (130).

3. The wastewater treatment equipment for tank cleaning according to claim 2 is characterized by: One of the connecting gears (230) is fixedly connected to one of the sprockets (213), and the output shaft of the driving motor (240) is fixedly connected to the other end of one of the guide rollers (211) located inside the liquid inlet box (130).

4. The wastewater treatment equipment for tank cleaning according to claim 3 is characterized by: The roller pressing assembly (250) comprises a pressing roller (251) rotatably connected between the front end surface and the rear end surface of the inner wall of the liquid inlet box (130); the outer surface of the pressing roller (251) contacts the outer surface of the filter belt (212); one end of the pressing roller (251) extends to the outside of one of the drainage discharge boxes (120); one end of the pressing roller (251) and the outer surface of one of the connecting gears (230) are fixedly connected with a first transmission belt (253); and the outer surfaces of the two first transmission rollers (252) are transmission-connected with the first transmission belt (253).

5. The wastewater treatment equipment for tank cleaning according to claim 4, characterized in that: The cleaning vibration assembly (270) comprises a cleaning roller brush (271) rotatably connected between the front end face and the rear end face of the inner wall of one of the drain discharge boxes (120), both ends of the cleaning roller brush (271) extend to the outside of one of the drain discharge boxes (120), the outer surface of the cleaning roller brush (271) contacts the outer surface of the filter belt (212), one end of the guide roller (211) inside one of the drain discharge boxes (120) and the outer surface of the cleaning roller brush (271) are fixedly connected to a second transmission roller (272), and a second transmission belt (273) is transmission-connected between the outer surfaces of the two second transmission rollers (272).

6. The wastewater treatment equipment for tank cleaning according to claim 5, characterized in that: The cleaning vibration assembly (270) further comprises two crankshafts (274) respectively fixedly connected to the two ends of the cleaning roller brush (271), the outer surfaces of the two crankshafts (274) are movably sleeved with swing arms (275), the top of one of the drain nets (260) is fixedly connected to two fixed plates, the opposite sides of the two fixed plates are fixedly connected to connecting shafts (276), the front end face and the rear end face of one of the drain discharge boxes (120) are provided with vibration grooves, the two connecting shafts (276) respectively extend to the outside of one of the drain discharge boxes (120) through the two vibration grooves, and one end of the two swing arms (275) is movably sleeved on the outer surfaces of the two connecting shafts (276).

7. The wastewater treatment equipment for tank cleaning according to claim 6, characterized in that: The filter element module (300) comprises two mounting seats respectively fixedly connected to the outer surfaces of the upper tank body (140) and the lower tank body (150); a vertical rod (310) is fixedly connected between the two mounting seats; two mounting sleeves (320) are rotatably sleeved on the outer surface of the vertical rod (310); a middle tank body (330) is fixedly connected between the insides of the two mounting sleeves (320); a middle plate (360) is fixedly connected to the inside of the middle tank body (330); A plurality of filter assemblies (370) are arranged inside the upper plate (360); a drive assembly (340) is arranged on the outer surface of the upper tank body (140); the drive assembly (340) is connected to the drive motor (240) and the outer surface of the middle tank body (330); a connection assembly (350) is arranged on the top and bottom of the middle tank body (330); the two connection assemblies (350) are respectively connected to the bottom of the upper tank body (140) and the top of the lower tank body (150).

8. The wastewater treatment equipment for tank cleaning according to claim 7, characterized in that: The connection assembly (350) comprises a first annular groove formed on the top of the middle tank body (330); a second annular groove is formed on the bottom of the upper tank body (140); an annular sealing plate (351) is movably connected between the first annular groove and the inside of the second annular groove; a plurality of sealing springs (352) are fixedly connected between the bottom of the annular sealing plate (351) and the bottom of the inner wall of the first annular groove; a plurality of balls (353) are movably connected to the top of the annular sealing plate (351); the outer surfaces of the plurality of balls (353) are in contact with the top of the inner wall of the second annular groove; three grooves are formed on the outer surface of the middle tank body (330); three disassembly pieces (354) are fixedly connected to the outer surface of the annular sealing plate (351); the three disassembly pieces (354) extend to the outside of the middle tank body (330) through the three grooves respectively.

9. The wastewater treatment equipment for tank cleaning according to claim 8, characterized in that: The driving assembly (340) comprises two connecting seats (341) both fixedly connected to the outer surface of the upper tank body (140); a driving rod (342) is rotatably connected between the interiors of the two connecting seats (341); a bevel gear (345) is fixedly connected to the top end of the driving rod (342) and the outer surface of the output shaft of the driving motor (240); the outer surfaces of the two bevel gears (345) mesh with each other; a pinion gear (343) is fixedly connected to the bottom end of the driving rod (342); a gear ring (344) is fixedly connected to the outer surface of the middle tank body (330); and the outer surface of the pinion gear (343) meshes with the outer surface of the gear ring (344).

10. The wastewater treatment equipment for tank cleaning according to claim 9, characterized in that: The filter assembly (370) comprises a mounting groove opened inside the middle plate (360), a magnetic ring (371) being fixedly connected inside the mounting groove, a metal ring (372) being magnetically connected to the top of the magnetic ring (371), a filter cartridge (373) being fixedly connected to the inner wall of the metal ring (372), and a bottom of the filter cartridge (373) passing through the magnetic ring (371) and the middle plate (360).

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