Multistage wastewater treatment tank

Abstract

The invention relates to the technical field of wastewater treatment, in particular to a wastewater multistage treatment pond which comprises a pond body, an oil absorption assembly and an adjusting assembly, a pretreatment pond is arranged in the pond body, a sedimentation pond is arranged on the left side of the pretreatment pond, an aeration treatment pond is arranged on the left side of the sedimentation pond, and the oil absorption assembly is arranged in the aeration treatment pond. A liquid inlet pipe is arranged at the right end of the tank body corresponding to the pretreatment tank, a filter screen frame is arranged in the liquid inlet pipe, an adjusting assembly is arranged at the upper end of the liquid inlet pipe corresponding to an outlet of the liquid inlet pipe, and a buffer assembly is arranged in the pretreatment tank corresponding to the outlet of the liquid inlet pipe. When the device is used, after wastewater is settled in the settling pond, the lifting assembly is started to drive the first supporting plate and the blocking plate to move downwards, and when the blocking plate moves to the position below the water outlet of the settling pond, the sealing assembly is started to seal the through hole, so that the wastewater is prevented from carrying settled impurities when flowing out.

Description

Technical Field

[0001] The invention relates to the technical field of wastewater treatment, in particular to a multi-stage wastewater treatment pool. Background Art

[0002] Wastewater treatment is a technology that uses physical, chemical and biological methods to treat wastewater, purify wastewater, reduce pollution, recycle and reuse wastewater, and make full use of water resources. Wastewater treatment can be divided into primary treatment, secondary treatment and tertiary treatment according to the degree of treatment. Primary treatment is mainly to remove suspended solid matter in sewage, and physical methods are often used. The main task of secondary treatment is to significantly remove colloidal and dissolved organic matter in sewage. The purpose of tertiary treatment is to further remove certain specific pollutants.

[0003] When the existing wastewater multi-stage treatment tank treats wastewater, the wastewater discharged after the sedimentation is completed is likely to carry the sediment waste, resulting in poor treatment effect. At the same time, it is inconvenient to clean the grease floating on the wastewater, thereby affecting the aeration efficiency of the aeration equipment. Therefore, the present invention provides a wastewater multi-stage treatment tank to solve the above-mentioned problems. Summary of the invention

[0004] The object of the present invention is to provide a wastewater multi-stage treatment tank to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A multi-stage wastewater treatment tank comprises a tank body, an oil absorption assembly and an adjusting assembly, wherein a pretreatment tank is arranged on the upper part of the tank body, a sedimentation tank is arranged on the left side of the pretreatment tank, an aeration treatment tank is arranged on the left side of the sedimentation tank, an oil absorption assembly is arranged in the aeration treatment tank, a liquid inlet pipe is arranged at the right end of the tank body corresponding to the pretreatment tank, a filter screen frame is arranged in the liquid inlet pipe, and an adjusting assembly is arranged at the upper end of the liquid inlet pipe corresponding to the liquid inlet pipe outlet, a buffer assembly is arranged in the pretreatment tank corresponding to the liquid inlet pipe outlet, a blocking plate is slidably connected in the sedimentation tank, a plurality of through holes are arranged on the blocking plate, and sealing assemblies are arranged on the blocking plate corresponding to the through holes, a first support plate is arranged on the upper end of the blocking plate, and a lifting assembly is arranged at the upper end of the sedimentation tank corresponding to the first support plate.

[0006] As a further solution of the present invention, the lifting assembly includes a threaded sleeve and a first threaded rod. The first support plate is provided with a first threaded rod at the upper end, and the first threaded rod is threadedly connected to the threaded sleeve. A first bearing is provided on the threaded sleeve, and a first bracket is provided at the upper end of the first bearing. The lower end of the first bracket is fixedly connected to the pool body. The first threaded rod can be driven downward by rotating the threaded sleeve, and the threaded sleeve can be fixed conveniently by providing the first bearing and the first bracket.

[0007] As a further solution of the present invention, a first gear is provided on the threaded sleeve, the right end of the first gear is meshed with the second gear, the upper end of the second gear is provided with a first rotating shaft, the upper end of the first rotating shaft is provided with a first motor, the upper end of the first motor is fixedly connected to the first bracket, and the first rotating shaft and the second gear are driven to rotate by starting the first motor, and the second gear thereby drives the first gear and the threaded sleeve to rotate, and the threaded sleeve thereby drives the first threaded rod, the first support plate and the blocking plate to move downward.

[0008] As a further scheme of the present invention, the sealing assembly includes a groove and a sealing plate, the upper end of the blocking plate is provided with a groove, and a plurality of sealing plates are slidably connected in the corresponding through holes in the groove, and connecting rods are symmetrically arranged between the sealing plates, and push blocks are symmetrically arranged between the two sealing plates, and a moving block is arranged at the upper end of the push block, and a third threaded rod is threadedly connected to the moving block, a third motor is provided at the front end of the third threaded rod, and a third bearing is provided at the rear end of the third threaded rod, and a fixing plate is provided at the front end of the third motor and the rear end of the third bearing, and the upper end of the fixed plate is fixedly connected to the first support plate. The limiting rod is symmetrically slidably connected to the moving block, and the front and rear ends of the limiting rod are fixedly connected to the fixing plate, and the third threaded rod is driven to rotate by starting the third motor, so that the third threaded rod drives the moving block, the push block and the sealing plate to move backward, and the sealing plate seals the through hole to prevent the wastewater from carrying precipitated debris when flowing out.

[0009] As a further scheme of the present invention, the buffer assembly includes a cross bar, a sliding bar and a conical table. The inner wall of the pretreatment tank is provided with a cross bar, and the lower end of the cross bar is provided with a sliding bar. The sliding bar is slidably connected to the conical table, and the lower end of the sliding bar is provided with a limit plate. The sliding bar is covered with a second spring, the upper end of the second spring is fixedly connected to the conical table, and the lower end of the second spring is fixedly connected to the limit plate. The sliding bar is covered with a sleeve, the upper end of the sleeve is fixedly connected to the cross bar, and the sliding bar is covered with a third spring, the upper end of the third spring is fixedly connected to the top of the sleeve, and the lower end of the third spring is fixedly connected to the conical table. The wastewater falls on the conical table through the liquid inlet pipe. The elastic potential energy of the second and third springs is arranged to facilitate buffering of the wastewater falling into the pretreatment tank, thereby preventing the wastewater from directly rushing into the pretreatment tank and reducing the time required for the wastewater to stand in the pretreatment tank.

[0010] As a further scheme of the present invention, the adjusting component includes a baffle, the left end of the liquid inlet pipe is attached to the baffle, the front and rear ends of the baffle are provided with connecting blocks, the connecting block is threadedly connected to a fourth threaded rod, the lower end of the fourth threaded rod is provided with a limit block, the fourth threaded rod is provided with a fourth bearing, the outer wall of the fourth bearing is provided with a third support plate, the right end of the third support plate is provided with a cross plate, the right end of the cross plate is provided with a third bracket, the lower end of the third bracket is fixedly connected to the liquid inlet pipe, and a cleaning component is provided on the corresponding filter screen frame on the cross plate, the upper end of the fourth threaded rod is provided with a third gear, the third gears are meshed with a fourth gear, the upper end of the fourth gear is provided with a second rotating shaft, the upper end of the second rotating shaft is provided with a fourth motor, the upper end of the fourth motor is fixedly connected to the third bracket, the second rotating shaft and the fourth gear are driven to rotate by starting the fourth motor, the fourth gear thereby drives the third gear and the fourth threaded rod to rotate, the fourth threaded rod thereby drives the connecting block and the baffle to move upward or downward, and the baffle is convenient for adjusting the size of the liquid inlet pipe outlet, thereby adjusting the flow rate of wastewater entering the pretreatment tank.

[0011] As a further scheme of the present invention, the cleaning assembly includes a through groove, a scraper, a connecting plate and a second electric telescopic rod. The upper end of the horizontal plate is provided with a second electric telescopic rod, the extension rod of the second electric telescopic rod passes through the horizontal plate, and the lower end of the extension rod of the second electric telescopic rod is provided with a connecting plate. The left end of the connecting plate is provided with a scraper, the scraper passes through the liquid inlet pipe, the scraper is fitted with the filter frame, and the upper end of the liquid inlet pipe corresponding to the scraper is provided with a through groove, and the connecting plate and the scraper are driven downward by starting the second electric telescopic rod, so that the scraper cleans the filter frame.

[0012] As a further solution of the present invention, a through opening is provided at the lower end of the liquid inlet pipe corresponding to the scraper, and a collecting box is provided at the lower end of the liquid inlet pipe corresponding to the through opening, a slide groove is provided on the inner wall of the through opening, a block is slidably connected in the slide groove, and the shape of the block is a right-angled trapezoid, and a plurality of first springs are provided in the slide groove, one end of the first spring is fixedly connected to the block, and the other end of the first spring is fixedly connected to the inner wall of the slide groove; when the scraper moves downward, the scraper drives the block to move to the right, and the block compresses the first spring, so that the scraper pushes the debris into the collection box for easy cleaning later.

[0013] As a further solution of the present invention, the oil absorption assembly includes a second bracket, a second bracket is provided at the upper end of the pool body, a first electric telescopic rod is symmetrically provided at the lower end of the second bracket, a second support plate is provided at the lower end of the first electric telescopic rod, oil absorbing paper is attached to the lower end of the second support plate, and a clamping plate is attached at the four corners of the lower end of the oil absorbing paper, a vertical rod penetrating the second support plate is provided at the upper end of the clamping plate, a connecting frame is provided at the upper end of the vertical rod, a second threaded rod is threadedly connected to the connecting frame, a second bearing is provided at the lower end of the second threaded rod, the lower end of the second bearing is fixedly connected to the second support plate, and the upper end of the second threaded rod A second motor is provided, a fixing frame is provided at the upper end of the second motor, and a lower end of the fixing frame is fixedly connected to the second supporting plate. When the aeration treatment tank is aerated, the first electric telescopic rod is started to drive the second supporting plate and the oil-absorbing paper to move downward, so that the oil-absorbing paper absorbs the grease floating on the wastewater in the aeration treatment tank, so as to avoid the aeration efficiency being reduced due to the floating grease on the wastewater. When the oil-absorbing paper needs to be replaced, the second motor is started to drive the second threaded rod to rotate, and the second threaded rod drives the connecting frame, the vertical rod and the clamping plate to move downward, so that the oil-absorbing paper can be replaced easily, and the operation is simple.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. When the present invention is used, wastewater is input into the pretreatment tank through the liquid inlet pipe. The filter frame is provided to facilitate filtering of larger debris in the wastewater. The buffer component is provided to facilitate buffering of the wastewater falling into the pretreatment tank, thereby preventing the wastewater from directly rushing into the pretreatment tank and reducing the time required for the wastewater to stand in the pretreatment tank. The adjustment component is provided to facilitate adjusting the size of the liquid inlet pipe outlet, thereby adjusting the flow rate of the wastewater entering the pretreatment tank.

[0015] 2. When the present invention is used, when the filter frame needs to be cleaned, the second electric telescopic rod is started to drive the connecting plate and the scraper to move downward, and the scraper cleans the filter frame. The scraper continues to move downward, and the scraper drives the block to move to the right. The block compresses the first spring, and the scraper pushes the debris into the collection box to facilitate later cleaning.

[0016] 3. When the present invention is used, after the wastewater has finished settling in the sedimentation tank, the first support plate and the blocking plate are driven downward by starting the lifting assembly. When the blocking plate moves below the water outlet of the sedimentation tank, the through hole is sealed by starting the sealing assembly to prevent the wastewater from carrying precipitated debris when flowing out.

[0017] 4. When the present invention is used, when the aeration treatment tank is aerated, the oil absorption component is arranged to absorb the grease floating on the wastewater in the aeration treatment tank, so as to avoid the grease floating on the wastewater causing the aeration efficiency to be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1The figure is a schematic diagram of the structure of a multi-stage wastewater treatment tank.

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of a multi-stage wastewater treatment tank.

[0020] Figure 3 A multi-stage wastewater treatment pool Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0021] Figure 4 A multi-stage wastewater treatment pool Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0022] Figure 5 A multi-stage wastewater treatment pool Figure 2 Schematic diagram of the enlarged structure at point C in the middle.

[0023] Figure 6 A multi-stage wastewater treatment pool Figure 2 Schematic diagram of the enlarged structure at D in the middle.

[0024] In the figure: 1, tank body; 101, pretreatment tank; 102, sedimentation tank; 103, aeration tank; 2, liquid inlet pipe; 3, blocking plate; 301, through hole; 4, first support plate; 5, lifting assembly; 501, threaded sleeve; 502, first bearing; 503, first gear; 504, second gear; 505, first rotating shaft; 506, first motor; 507, first bracket; 508, first threaded rod; 6, oil suction assembly; 6 01, second bracket; 602, first electric telescopic rod; 603, second support plate; 604, oil-absorbing paper; 605, clamping plate; 606, vertical rod; 607, connecting frame; 608, second threaded rod; 609, second bearing; 610, second motor; 611, fixing frame; 7, sealing assembly; 701, groove; 702, sealing plate; 703, connecting rod; 704, push block; 705, moving block; 706, third threaded rod; 707, third motor; 708, third bearing; 709, fixing plate; 710, limit rod; 8, adjustment assembly; 801, baffle; 802, connecting block; 803, fourth threaded rod; 804, fourth bearing; 805, third support plate; 806, cross plate; 807, third bracket; 808, third gear; 809, fourth gear; 810, second shaft; 811, fourth motor; 812, limit block; 9, cleaning assembly ; 901, through slot; 902, scraper; 903, connecting plate; 904, second electric telescopic rod; 905, through port; 906, slide slot; 907, stopper; 908, first spring; 909, collecting box; 10, buffer assembly; 1001, cross bar; 1002, slide bar; 1003, conical platform; 1004, limit plate; 1005, second spring; 1006, sleeve; 1007, third spring; 11, filter frame. DETAILED DESCRIPTION

[0025] 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 those skilled in the art without creative work are within the scope of protection of the present invention.

[0026] In the present invention, the word "exemplary" is used to mean "used as an example, illustration or description". Any embodiment described as "exemplary" in the present invention is not necessarily to be construed as being preferred or advantageous over other embodiments. The following description is given to enable any technician in the field to implement and use the present invention. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present invention can be implemented without using these specific details. In other instances, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present invention with unnecessary details. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present invention.

[0027] Example See also Figures 1 to 6 In an embodiment of the present invention, a wastewater multi-stage treatment tank comprises a tank body 1, an oil absorption assembly 6 and an adjusting assembly 8, wherein a pretreatment tank 101 is arranged in the tank body 1, a sedimentation tank 102 is arranged on the left side of the pretreatment tank 101, an aeration treatment tank 103 is arranged on the left side of the sedimentation tank 102, and an oil absorption assembly 6 is arranged in the aeration treatment tank 103, a liquid inlet pipe 2 is arranged at the right end of the tank body 1 corresponding to the pretreatment tank 101, a filter screen frame 11 is arranged in the liquid inlet pipe 2, and an adjusting assembly 8 is arranged at the upper end of the liquid inlet pipe 2 corresponding to the outlet of the liquid inlet pipe 2, a buffer assembly 10 is arranged in the pretreatment tank 101 corresponding to the outlet of the liquid inlet pipe 2, a blocking plate 3 is slidably connected in the sedimentation tank 102, a plurality of through holes 301 are arranged on the blocking plate 3, and a sealing assembly 7 is arranged on the blocking plate 3 corresponding to the through holes 301, a first support plate 4 is arranged on the upper end of the blocking plate 3, and a lifting assembly 5 is arranged at the upper end of the sedimentation tank 102 corresponding to the first support plate 4.

[0028] Specifically, wastewater is input into the pretreatment tank 101 through the liquid inlet pipe 2, and the filter frame 11 is provided to facilitate filtering of larger debris in the wastewater. The buffer component 10 is provided to facilitate buffering of the wastewater falling into the pretreatment tank 101, so as to prevent the wastewater from directly rushing into the pretreatment tank 101 and reduce the time required for the wastewater to stand in the pretreatment tank 101. The adjustment component 8 is provided to facilitate adjusting the size of the outlet of the liquid inlet pipe 2, thereby adjusting the flow rate of the wastewater entering the pretreatment tank 101. After the wastewater is precipitated in the sedimentation tank 102, the first support plate 4 and the blocking plate 3 are driven downward by starting the lifting component 5. When the blocking plate 3 moves to below the water outlet of the sedimentation tank 102, the through hole 301 is sealed by starting the sealing component 7 to prevent the wastewater from carrying precipitated debris when flowing out. When the aeration treatment tank 103 is aerated, the oil absorption component 6 is provided to absorb the grease floating on the wastewater in the aeration treatment tank 103 to prevent the floating grease on the wastewater from reducing the aeration efficiency.

[0029] The lifting assembly 5 includes a threaded sleeve 501 and a first threaded rod 508. The first support plate 4 has a first threaded rod 508 at the upper end. The first threaded rod 508 is threadedly connected to the threaded sleeve 501. The threaded sleeve 501 has a first bearing 502. The upper end of the first bearing 502 has a first bracket 507. The lower end of the first bracket 507 is fixedly connected to the pool body 1.

[0030] Specifically, the first threaded rod 508 can be driven to move downward by rotating the threaded sleeve 501 , and the threaded sleeve 501 can be fixed by providing the first bearing 502 and the first bracket 507 .

[0031] The threaded sleeve 501 is provided with a first gear 503 , the right end of the first gear 503 is meshed with the second gear 504 , the upper end of the second gear 504 is provided with a first shaft 505 , the upper end of the first shaft 505 is provided with a first motor 506 , and the upper end of the first motor 506 is fixedly connected to the first bracket 507 .

[0032] Specifically, by starting the first motor 506, the first rotating shaft 505 and the second gear 504 are driven to rotate, and the second gear 504 thereby drives the first gear 503 and the threaded sleeve 501 to rotate, and the threaded sleeve 501 thereby drives the first threaded rod 508, the first support plate 4 and the blocking plate 3 to move downward.

[0033] The oil absorption assembly 6 includes a second bracket 601, a second bracket 601 is provided at the upper end of the pool body 1, a first electric telescopic rod 602 is symmetrically provided at the lower end of the second bracket 601, a second support plate 603 is provided at the lower end of the first electric telescopic rod 602, an oil absorbing paper 604 is attached to the lower end of the second support plate 603, a clamping plate 605 is attached to the four corners of the lower end of the oil absorbing paper 604, a vertical rod 606 penetrating the second support plate 603 is provided at the upper end of the clamping plate 605, a connecting frame 607 is provided at the upper end of the vertical rod 606, a second threaded rod 608 is threadedly connected to the connecting frame 607, a second bearing 609 is provided at the lower end of the second threaded rod 608, and the lower end of the second bearing 609 is fixedly connected to the second support plate 603, a second motor 610 is provided at the upper end of the second motor 610, and a fixing frame 611 is provided at the upper end of the fixing frame 611, and the lower end of the second support plate 603 is fixedly connected.

[0034] Specifically, when the aeration treatment tank 103 is aerated, the first electric telescopic rod 602 is started to drive the second support plate 603 and the oil-absorbing paper 604 to move downward, so that the oil-absorbing paper 604 absorbs the grease floating on the wastewater in the aeration treatment tank 103 to avoid the aeration efficiency being reduced due to the floating grease on the wastewater. When the oil-absorbing paper 604 needs to be replaced, the second motor 610 is started to drive the second threaded rod 608 to rotate, and the second threaded rod 608 drives the connecting frame 607, the vertical rod 606 and the clamping plate 605 to move downward, thereby facilitating the replacement of the oil-absorbing paper 604, and the operation is simple.

[0035] The sealing assembly 7 includes a groove 701 and a sealing plate 702. The upper end of the blocking plate 3 is provided with a groove 701. The corresponding through hole 301 in the groove 701 is connected to a plurality of sealing plates 702 in a limited sliding manner. Connecting rods 703 are symmetrically arranged between the sealing plates 702. Push blocks 704 are symmetrically arranged between the two sealing plates 702. A moving block 705 is arranged on the upper end of the push block 704. A third threaded rod 706 is threadedly connected to the moving block 705. A third motor 707 is arranged at the front end of the third threaded rod 706. A third bearing 708 is arranged at the rear end of the third threaded rod 706. A fixing plate 709 is provided at the front end of the third motor 707 and the rear end of the third bearing 708. The upper end of the fixing plate 709 is fixedly connected to the first supporting plate 4. A limiting rod 710 is symmetrically slidably connected to the moving block 705. The front and rear ends of the limiting rod 710 are fixedly connected to the fixing plate 709.

[0036] Specifically, by starting the third motor 707 to drive the third threaded rod 706 to rotate, the third threaded rod 706 drives the moving block 705, the push block 704 and the sealing plate 702 to move backward, and the sealing plate 702 seals the through hole 301 to prevent the wastewater from carrying sediment when flowing out.

[0037] The adjusting assembly 8 comprises a baffle 801, the left end of the liquid inlet pipe 2 is attached with the baffle 801, the front and rear ends of the baffle 801 are provided with connecting blocks 802, the connecting block 802 is threadedly connected with a fourth threaded rod 803, the lower end of the fourth threaded rod 803 is provided with a limit block 812, the fourth threaded rod 803 is provided with a fourth bearing 804, the outer wall of the fourth bearing 804 is provided with a third support plate 805, the right end of the third support plate 805 is provided with a transverse plate 806, the right end of the transverse plate 806 is provided with a third bracket 807, the lower end of the third bracket 807 is fixedly connected to the liquid inlet pipe 2, and the transverse plate 806 is provided with a cleaning assembly 9 corresponding to the filter screen frame 11, the upper end of the fourth threaded rod 803 is provided with a third gear 808, the third gear 808 is meshed with a fourth gear 809, the upper end of the fourth gear 809 is provided with a second rotating shaft 810, the upper end of the second rotating shaft 810 is provided with a fourth motor 811, and the upper end of the fourth motor 811 is fixedly connected to the third bracket 807.

[0038] Specifically, by starting the fourth motor 811, the second rotating shaft 810 and the fourth gear 809 are driven to rotate, and the fourth gear 809 thereby drives the third gear 808 and the fourth threaded rod 803 to rotate, and the fourth threaded rod 803 thereby drives the connecting block 802 and the baffle 801 to move upward or downward, and the baffle 801 facilitates the adjustment of the size of the outlet of the liquid inlet pipe 2, thereby adjusting the flow rate of wastewater entering the pretreatment tank 101.

[0039] The cleaning assembly 9 includes a through groove 901, a scraper 902, a connecting plate 903 and a second electric telescopic rod 904. The second electric telescopic rod 904 is provided at the upper end of the horizontal plate 806. The extension rod of the second electric telescopic rod 904 passes through the horizontal plate 806, and the lower end of the extension rod of the second electric telescopic rod 904 is provided with a connecting plate 903. The left end of the connecting plate 903 is provided with a scraper 902, and the scraper 902 passes through the liquid inlet pipe 2. The scraper 902 is in contact with the filter frame 11, and a through groove 901 is provided at the upper end of the liquid inlet pipe 2 corresponding to the scraper 902.

[0040] Specifically, the second electric telescopic rod 904 is started to drive the connecting plate 903 and the scraper 902 to move downward, so that the scraper 902 cleans the filter frame 11.

[0041] A through opening 905 is provided at the lower end of the liquid inlet pipe 2 corresponding to the scraper 902, and a collecting box 909 is provided at the lower end of the liquid inlet pipe 2 corresponding to the through opening 905. A slide groove 906 is provided on the inner wall of the through opening 905. A stopper 907 is slidably connected in the slide groove 906. The stopper 907 is in the shape of a right-angled trapezoid. A plurality of first springs 908 are provided in the slide groove 906. One end of the first spring 908 is fixedly connected to the stopper 907, and the other end of the first spring 908 is fixedly connected to the inner wall of the slide groove 906.

[0042] Specifically, when the scraper 902 moves downward, the scraper 902 drives the stopper 907 to move rightward, and the stopper 907 compresses the first spring 908, so that the scraper 902 pushes the debris into the collection box 909 for later cleaning.

[0043] The buffer assembly 10 includes a cross bar 1001, a slide bar 1002 and a conical platform 1003. The inner wall of the pretreatment tank 101 is provided with a cross bar 1001, and the lower end of the cross bar 1001 is provided with a slide bar 1002. The slide bar 1002 is slidably connected to the conical platform 1003, and the lower end of the slide bar 1002 is provided with a limit plate 1004. The slide bar 1002 is sleeved with a second spring 1005, the upper end of the second spring 1005 is fixedly connected to the conical platform 1003, and the lower end of the second spring 1005 is fixedly connected to the limit plate 1004. The slide bar 1002 is sleeved with a sleeve 1006, the upper end of the sleeve 1006 is fixedly connected to the cross bar 1001, and the slide bar 1002 is sleeved with a third spring 1007, the upper end of the third spring 1007 is fixedly connected to the top of the sleeve 1006, and the lower end of the third spring 1007 is fixedly connected to the conical platform 1003.

[0044] Specifically, wastewater falls onto the conical platform 1003 through the liquid inlet pipe 2. The elastic potential energy of the second spring 1005 and the third spring 1007 is used to buffer the wastewater falling into the pretreatment tank 101, thereby preventing the wastewater from directly rushing into the pretreatment tank 101 and reducing the time required for the wastewater to remain stationary in the pretreatment tank 101.

[0045] The working principle of the present invention is: When the present invention is used, wastewater is input into the pretreatment tank 101 through the liquid inlet pipe 2, and the filter frame 11 is provided to facilitate filtering of larger debris in the wastewater. The wastewater falls on the conical platform 1003 through the liquid inlet pipe 2, and the elastic potential energy of the second spring 1005 and the third spring 1007 is provided to facilitate buffering of the wastewater falling into the pretreatment tank 101, so as to prevent the wastewater from directly rushing into the pretreatment tank 101, and reduce the time required for the wastewater to stand in the pretreatment tank 101. By starting the fourth motor 811 to drive the second rotating shaft 810 and the fourth gear 809 to rotate, the fourth gear 809 thereby drives the third gear 808 and the fourth screw The threaded rod 803 rotates, and the fourth threaded rod 803 drives the connecting block 802 and the baffle 801 to move upward or downward, and the baffle 801 is convenient for adjusting the size of the outlet of the liquid inlet pipe 2, thereby adjusting the flow rate of wastewater entering the pretreatment tank 101. When it is necessary to clean the filter frame 11, the second electric telescopic rod 904 is started to drive the connecting plate 903 and the scraper 902 to move downward, and the scraper 902 cleans the filter frame 11. The scraper 902 continues to move downward, and the scraper 902 drives the stopper 907 to move rightward. The stopper 907 compresses the first spring 908, and the scraper 902 pushes the debris into the collection box 909 for easy In the later stage of cleaning, when the wastewater is precipitated in the sedimentation tank 102, the first motor 506 is started to drive the first rotating shaft 505 and the second gear 504 to rotate, and the second gear 504 thereby drives the first gear 503 and the threaded sleeve 501 to rotate, and the threaded sleeve 501 thereby drives the first threaded rod 508, the first supporting plate 4 and the blocking plate 3 to move downward, and when the blocking plate 3 moves to below the water outlet of the sedimentation tank 102, the third motor 707 is started to drive the third threaded rod 706 to rotate, and the third threaded rod 706 thereby drives the moving block 705, the pushing block 704 and the sealing plate 702 to move backward, and the sealing plate 702 thereby closes the through hole 30 1 is sealed to prevent the wastewater from carrying sediment when it flows out. When the aeration treatment tank 103 is aerated, the first electric telescopic rod 602 is started to drive the second support plate 603 and the oil-absorbing paper 604 to move downward, so that the oil-absorbing paper 604 absorbs the grease floating on the wastewater in the aeration treatment tank 103 to prevent the aeration efficiency from being reduced due to the floating grease on the wastewater. When the oil-absorbing paper 604 needs to be replaced, the second motor 610 is started to drive the second threaded rod 608 to rotate, and the second threaded rod 608 drives the connecting frame 607, the vertical rod 606 and the clamping plate 605 to move downward, so that the oil-absorbing paper 604 is easily replaced, and the operation is simple.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wastewater multi-stage treatment tank, comprising a tank body (1), an oil absorption component (6) and a regulating component (8), characterized in that: A pretreatment tank (101) is provided in the tank body (1), a sedimentation tank (102) is provided on the left side of the pretreatment tank (101), an aeration treatment tank (103) is provided on the left side of the sedimentation tank (102), an oil absorption assembly (6) is provided in the aeration treatment tank (103), a liquid inlet pipe (2) is provided at the right end of the tank body (1) corresponding to the pretreatment tank (101), a filter screen frame (11) is provided in the liquid inlet pipe (2), and a regulating filter is provided at the upper end of the liquid inlet pipe (2) corresponding to the outlet of the liquid inlet pipe (2). A component (8) is provided in the pretreatment tank (101) at the outlet of the liquid inlet pipe (2), a buffer component (10) is provided in the sedimentation tank (102) and a blocking plate (3) is slidably connected thereto, a plurality of through holes (301) are provided on the blocking plate (3), and a sealing component (7) is provided on the blocking plate (3) corresponding to the through holes (301), a first support plate (4) is provided at the upper end of the blocking plate (3), and a lifting component (5) is provided at the upper end of the sedimentation tank (102) corresponding to the first support plate (4).

2. A wastewater multi-stage treatment pool according to claim 1, characterized in that: The oil absorption assembly (6) comprises a second bracket (601), the second bracket (601) is provided at the upper end of the pool body (1), a first electric telescopic rod (602) is symmetrically provided at the lower end of the second bracket (601), a second support plate (603) is provided at the lower end of the first electric telescopic rod (602), an oil absorption paper (604) is attached to the lower end of the second support plate (603), a clamping plate (605) is attached to the four corners of the lower end of the oil absorption paper (604), and a vertical rod penetrating the second support plate (603) is provided at the upper end of the clamping plate (605). (606), a connecting frame (607) is provided at the upper end of the vertical rod (606), a second threaded rod (608) is threadedly connected to the connecting frame (607), a second bearing (609) is provided at the lower end of the second threaded rod (608), the lower end of the second bearing (609) is fixedly connected to the second support plate (603), a second motor (610) is provided at the upper end of the second threaded rod (608), a fixing frame (611) is provided at the upper end of the second motor (610), and the lower end of the fixing frame (611) is fixedly connected to the second support plate (603).

3. A wastewater multi-stage treatment pool according to claim 1, characterized in that: The sealing assembly (7) comprises a groove (701) and a sealing plate (702). The upper end of the blocking plate (3) is provided with a groove (701). The groove (701) corresponds to the through hole (301) in which a plurality of sealing plates (702) are limitedly slidably connected. Connecting rods (703) are symmetrically arranged between the sealing plates (702). Push blocks (704) are symmetrically arranged between the two sealing plates (702). A moving block (705) is arranged at the upper end of the push block (704). The moving block (705) is threadedly connected to a third thread. A threaded rod (706), a third motor (707) is provided at the front end of the third threaded rod (706), a third bearing (708) is provided at the rear end of the third threaded rod (706), a fixing plate (709) is provided at the front end of the third motor (707) and the rear end of the third bearing (708), the upper end of the fixing plate (709) is fixedly connected to the first support plate (4), the movable block (705) is symmetrically slidably connected to the limit rod (710), and the front and rear ends of the limit rod (710) are fixedly connected to the fixing plate (709).

4. A wastewater multi-stage treatment pool according to claim 1, characterized in that: The regulating assembly (8) comprises a baffle (801), the baffle (801) is attached to the left end of the liquid inlet pipe (2), connecting blocks (802) are provided at the front and rear ends of the baffle (801), the connecting block (802) is threadedly connected to a fourth threaded rod (803), a limit block (812) is provided at the lower end of the fourth threaded rod (803), a fourth bearing (804) is provided on the fourth threaded rod (803), a third support plate (805) is provided on the outer wall of the fourth bearing (804), a transverse plate (806) is provided at the right end of the third support plate (805), and the transverse plate (806) A third bracket (807) is provided at the right end, the lower end of the third bracket (807) is fixedly connected to the liquid inlet pipe (2), and a cleaning assembly (9) is provided on the horizontal plate (806) corresponding to the filter screen frame (11), a third gear (808) is provided at the upper end of the fourth threaded rod (803), a fourth gear (809) is meshed between the third gears (808), a second rotating shaft (810) is provided at the upper end of the fourth gear (809), a fourth motor (811) is provided at the upper end of the second rotating shaft (810), and the upper end of the fourth motor (811) is fixedly connected to the third bracket (807).

5. A wastewater multi-stage treatment pool according to claim 4, characterized in that: The cleaning assembly (9) comprises a through slot (901), a scraper (902), a connecting plate (903) and a second electric telescopic rod (904); the second electric telescopic rod (904) is provided at the upper end of the transverse plate (806); an extension rod of the second electric telescopic rod (904) passes through the transverse plate (806); a connecting plate (903) is provided at the lower end of the extension rod of the second electric telescopic rod (904); a scraper (902) is provided at the left end of the connecting plate (903); the scraper (902) passes through the liquid inlet pipe (2); the scraper (902) is fitted with the filter screen frame (11); and a through slot (901) is provided at the upper end of the liquid inlet pipe (2) corresponding to the scraper (902).

6. A wastewater multi-stage treatment pool according to claim 5, characterized in that: The lower end of the liquid inlet pipe (2) is provided with a through opening (905) corresponding to the scraper (902), and the lower end of the liquid inlet pipe (2) is provided with a collecting box (909) corresponding to the through opening (905). The inner wall of the through opening (905) is provided with a slide groove (906), and a stopper (907) is slidably connected in the slide groove (906). The stopper (907) is in the shape of a right-angled trapezoid. A plurality of first springs (908) are provided in the slide groove (906), and one end of the first spring (908) is fixedly connected to the stopper (907), and the other end of the first spring (908) is fixedly connected to the inner wall of the slide groove (906).

7. A wastewater multi-stage treatment pool according to claim 1, characterized in that: The buffer assembly (10) comprises a cross bar (1001), a sliding bar (1002) and a conical platform (1003); the inner wall of the pretreatment tank (101) is provided with a cross bar (1001); the lower end of the cross bar (1001) is provided with a sliding bar (1002); the sliding bar (1002) is slidably connected to the conical platform (1003); a limiting plate (1004) is provided at the lower end of the sliding bar (1002); a second spring (1005) is sleeved on the sliding bar (1002); the upper end of the second spring (1005) is provided with a second spring (1005); The sliding rod (1002) is fixedly connected to the conical platform (1003); the lower end of the second spring (1005) is fixedly connected to the limit plate (1004); a sleeve (1006) is sleeved on the sliding rod (1002); the upper end of the sleeve (1006) is fixedly connected to the cross bar (1001); a third spring (1007) is sleeved on the sliding rod (1002); the upper end of the third spring (1007) is fixedly connected to the top end of the sleeve (1006); and the lower end of the third spring (1007) is fixedly connected to the conical platform (1003).

8. A wastewater multi-stage treatment pool according to claim 1, characterized in that: The lifting assembly (5) comprises a threaded sleeve (501) and a first threaded rod (508); the first support plate (4) is provided with the first threaded rod (508) at the upper end; the first threaded rod (508) is threadedly connected to the threaded sleeve (501); the threaded sleeve (501) is provided with a first bearing (502); the upper end of the first bearing (502) is provided with a first bracket (507); the lower end of the first bracket (507) is fixedly connected to the pool body (1).

9. A wastewater multi-stage treatment pool according to claim 1, characterized in that: The threaded sleeve (501) is provided with a first gear (503), the right end of the first gear (503) is meshed with a second gear (504), the upper end of the second gear (504) is provided with a first rotating shaft (505), the upper end of the first rotating shaft (505) is provided with a first motor (506), and the upper end of the first motor (506) is fixedly connected to the first bracket (507).

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