Sewage treatment device for repairing garden system

Abstract

The invention provides a sewage treatment device for garden system remediation, and relates to the field of sewage treatment.The sewage treatment device comprises a pretreatment module, a biological treatment module, a filter module and a disinfection module which are sequentially connected, and the filter module comprises a filter tank, a first partition plate, a second partition plate, a backwashing assembly, a flashboard assembly, a transverse moving device, a first valve and a plurality of stirring pieces; the first partition plate and the second partition plate sequentially divide the filter tank into a first treatment cavity, a drainage cavity and a second treatment cavity, and the first treatment cavity is vertically divided into a first filter cavity and a water filter cavity through a first pore plate. According to the sewage treatment device for repairing the garden system, provided by the invention, a sand material in the sand filter layer is stirred by the stirring piece, so that the sand material is turned over, a filter material in the sand material is better discharged into the drainage cavity along with water flow, and the problem that the backwashing effect of the sand material between adjacent nozzles in the backwashing assembly is poor is avoided.

Description

Technical Field

[0001] The invention relates to the field of sewage treatment, and in particular to a sewage treatment device for repairing a garden system. Background Art

[0002] Garden system restoration mainly targets the degradation and damage of garden ecosystems, and takes a series of measures to restore the structure and function of garden ecosystems so that they can reach a relatively healthy and stable state.

[0003] Garden system restoration includes water body restoration, which includes restoration of sewage (such as rainwater, domestic sewage, etc.) and water bodies with deteriorated water quality (such as ponds with deteriorated water quality, etc.) in the garden. The restoration method usually includes the use of sewage treatment equipment, which includes grid treatment, grit chamber treatment, regulating tank treatment, activated sludge treatment, and then deep filtration treatment and disinfection treatment; Among them, deep filtration treatment usually uses sand filtration and activated carbon layers to filter smaller suspended particles in the water body, as well as to adsorb odors and pigments in the water; the interior of the sand filter is usually equipped with a backwash pipe. As the filtration proceeds, the pores in the sand layer will be blocked by the intercepted particles, resulting in increased filtration resistance and decreased filtration efficiency. The backwash intensity is generally controlled at 12-15L / (m²・s). The expansion of the sand layer during backwashing ensures that the sand particles can fully roll but will not be washed out of the filter tank; During backwashing, water is sent upward from the bottom of the sand layer. The water flows through the sand layer and takes away the filtered material. However, the backwashing pipe is usually fixed in the sand filter tank and cannot be moved. The nozzles on the backwashing pipe are set at intervals. The part of the filter sand between the two adjacent nozzles is subjected to weaker hydraulic flushing and has a poor cleaning effect. If this part is used for a long time, the intercepted particles are prone to accumulation, affecting the filtration efficiency.

[0004] Therefore, it is necessary to provide a sewage treatment device for garden system repair to solve the above technical problems. Summary of the invention

[0005] The present invention provides a sewage treatment device for garden system repair, which solves the problem in the prior art that the backwashing pipeline in the sand filter tank is usually fixedly arranged in the sand filter tank, and the sand filter part corresponding to the position between two adjacent nozzles is weakly washed by hydraulic force and has a poor cleaning effect.

[0006] In order to solve the above technical problems, the sewage treatment device for garden system repair provided by the present invention comprises: a pretreatment module, a biological treatment module, a filtration module and a disinfection module connected in sequence, wherein the filtration module comprises a filtration tank, a first baffle, a second baffle, a backwashing assembly, a gate assembly, a transverse movement device, a first valve member and a plurality of toggle members; The first partition plate and the second partition plate sequentially separate the filter tank into a first treatment chamber, a drainage chamber, and a second treatment chamber. The first treatment chamber is divided into a first filter chamber and a water filter chamber by a first orifice plate, and the second treatment chamber is divided into a second filter chamber and a water outlet chamber by a second orifice plate. A bearing layer and a sand filter layer are arranged from bottom to top in the first filter chamber, and an activated carbon layer is arranged inside the second filter chamber. The water filter cavity is connected to the drainage cavity through a connecting hole, the first valve member is used to control the connection state of the connecting hole, the drainage cavity is connected to a drainage pipe, the drainage pipe is provided with a second valve member, and the water outlet cavity is connected to a water outlet pipe; The top surfaces of the first baffle and the second baffle are lower than the top surface of the filter tank, the gate assembly comprises a plate body and a lifting device, the plate body is arranged on the top surface of the first baffle, the lifting device is used to lift the plate body and is connected to the output end of the transverse movement device; The backwash assembly is mounted on the first orifice plate; A plurality of the toggle members are installed on the plate body at intervals.

[0007] Preferably, the backwash assembly includes a main pipe and a plurality of branch pipes, the main pipe is embedded in the first orifice plate, and one end of the main pipe passes through the filter tank, a plurality of branch pipes are installed on the main pipe at intervals, and a plurality of nozzles are arranged at intervals on each branch pipe.

[0008] Preferably, each of the toggle members is located between two adjacent rows of nozzles, and the toggle member includes two toggle plates and a plurality of toggle shafts, the two toggle plates are installed on the plate body at intervals, and the plurality of toggle shafts are installed between the two toggle plates.

[0009] Preferably, the gate assembly further comprises two sliding ears, and the two ends of the plate body are correspondingly mounted on the two side walls of the filter tank through the sliding ears.

[0010] Preferably, the lifting device includes an inclined frame portion and two flat frame portions, the inclined frame portion connects the two flat frame portions, the flat frame portion is installed at the output end of the transverse movement device, the gate assembly also includes a lifting roller, one end of the lifting roller is installed on one of the sliding ears, and the other end of the lifting roller passes through the lifting device, and brackets and positioning rods are respectively provided on the top of the two side walls of the filter tank and correspondingly on both sides of the sliding ears.

[0011] Preferably, the sewage treatment device for garden system repair further comprises a filter push device, a first tooth plate and a second tooth plate, the filter push device comprises a rotating shaft, a pushing net, two connecting plates and two one-way gears, the rotating shaft is rotatably mounted on the side of the plate body facing the first filter chamber, the two connecting plates are respectively mounted at both ends of the rotating shaft, the pushing net is mounted between the two connecting plates, the two one-way gears are respectively mounted at both ends of the rotating shaft, the two connecting plates are located between the two one-way gears, and the two one-way gears drive the rotating shaft to rotate in opposite directions; The first tooth plate is installed on one side of the inner wall of the filter tank and is close to the plate body, and the second tooth plate is installed on the other side of the inner wall of the filter tank and is far away from the plate body; When the lifting device lifts the plate body to a preset height, the two one-way gears are aligned with the first gear plate and the second gear plate respectively.

[0012] Preferably, adsorption shafts are installed on the top and bottom of the plate body, and magnetic blocks are installed on the top of one side of the connecting plate and the bottom of the other side, and the magnetic block on the top of one side of the connecting plate is adsorbed on the adsorption shaft on the top of the plate body.

[0013] Preferably, the first valve component includes a push cylinder and a first valve plate, the push cylinder is installed outside the filter tank, the first valve plate is arranged adjacent to the connecting hole and fits the first partition, and the output end of the push cylinder passes through the filter tank and is connected to the first valve plate.

[0014] Preferably, a through hole is formed at the bottom of the second partition, and the first valve member further comprises a driving rod and a second valve plate, the second valve plate is arranged adjacent to the through hole and fits the second partition, and the second valve plate is connected to the first valve plate via the driving rod.

[0015] Preferably, the transverse movement device includes a motor, a mounting plate, a threaded block, a screw rod and a sliding rod. The motor is mounted on the filter tank through the mounting plate. One end of the screw rod is connected to the output end of the motor. The sliding rod is mounted on the mounting plate. The threaded block is mounted on the screw rod, and the bottom end of the threaded block is sleeved on the sliding rod. The lifting device is mounted on the threaded block.

[0016] Compared with the related art, the sewage treatment device for garden system repair provided by the present invention has the following beneficial effects: The present invention provides a sewage treatment device for repairing a garden system. When backwashing equipment is needed, the first valve component blocks the connecting hole, and the second valve component opens the drain pipe to communicate with the drain cavity, and the lifting device lifts the plate body to separate the plate body and the first partition to form a water flow interval. At this time, the backwashing component causes water to flow from the bearing layer to the sand filter layer. The water flow passes through the sand filter layer to bring out the suspended particles (hereinafter referred to as filter material) intercepted in the sand filter layer, and then enters the drain cavity through the water flow interval, and is finally discharged through the drain pipe. During the backwashing process, the transverse movement device drives the gate plate assembly to move back and forth inside the first filter cavity, and the plate body drives a plurality of toggling members to follow the movement. The toggling members move and toggle the sand material in the sand filter layer to turn the sand material over, so that the filter material in the sand material can better follow the water flow and be discharged into the drain cavity, thereby avoiding the problem of poor backwashing effect of the sand material located between adjacent nozzles in the backwashing component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A principle block diagram of a sewage treatment device for garden system repair provided by the present invention; Figure 2 A schematic diagram of the structure of the filtering module provided by the present invention; Figure 3 A schematic diagram of the three-dimensional structure of the filter module provided by the present invention; Figure 4 for Figure 3 A schematic diagram of the structure of the filtering module from another perspective is shown; Figure 5 A schematic diagram of the structure of the gate assembly, the filter pushing device, the toggle member and the transverse movement device provided by the present invention; Figure 6 for Figure 5 An enlarged schematic diagram of section A is shown; Figure 7 for Figure 2 A cross-sectional view along AA is shown; Figure 8 The working principle diagram of the lifting device provided by the present invention, wherein: Figure 8 (a) is a schematic diagram showing the lifting roller being located in a flat frame. Figure 8 (b) is a schematic diagram showing the state where the lifting roller is located in another flat frame portion. Figure 8 (c) is a schematic diagram of the state where the lifting roller has just entered the upper end of the inclined frame; Fig. 9 The working principle diagram of the filter pusher provided by the present invention, wherein: Fig. 9 (a) is a schematic diagram of the state where the push net is facing upward and parallel to the plate body. Fig. 9 (b) is a schematic diagram of the state in which a single bearing and a second tooth plate drive the net to be pushed downward.

[0018] Numbers in the figure: 1. Filter tank; 11. First orifice plate; 12. Second orifice plate; 13. Bracket; 14. Positioning rod; 2. First baffle; 3. Second baffle; 21. Connecting hole; 31. Through hole; 4. Backwashing assembly; 41. Main pipe; 42. Branch pipe; 421. Nozzle; 5. Gate assembly; 51. Plate body; 52. Sliding ear; 53. Lifting device; 54. Lifting roller; 511, adsorption shaft; 521, pulley; 531, inclined frame portion; 532, flat frame portion; 6. a toggle member; 61. a toggle plate; 62. a toggle shaft; 7. filter push device; 71. rotating shaft; 72. connecting plate; 73. pushing net; 74. one-way gear; 741, one-way bearing; 742, gear; 721, magnet; 701, first tooth plate; 702, second tooth plate; 8. Transverse movement device; 81. Motor; 82. Mounting plate; 83. Thread block; 84. Screw rod; 85. Sliding rod; 9, first valve member; 91, push cylinder; 92, first valve plate; 93, driving rod; 94, second valve plate; 10. Bearing layer; 20. Sand filter layer; 30. Activated carbon layer; 101, first filter chamber; 102, water filter chamber; 201, drainage chamber; 202, drainage pipe; 203, second valve member; 301, second filter chamber; 302, water outlet chamber; 303, water outlet pipe. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] The invention provides a sewage treatment device for repairing a garden system.

[0021] Please refer to Figures 1 to 3 In one embodiment of the present invention, the sewage treatment device for garden system repair comprises: a pretreatment module, a biological treatment module, a filtration module and a disinfection module connected in sequence, wherein the filtration module comprises a filtration tank 1, a first baffle 2, a second baffle 3, a backwashing assembly 4, a gate assembly 5, a transverse movement device 8, a first valve member 9 and a plurality of toggle members 6; The first partition plate 2 and the second partition plate 3 sequentially separate the filter pool 1 into a first treatment chamber, a drainage chamber 201, and a second treatment chamber. The first treatment chamber is vertically divided into a first filter chamber 101 and a water filter chamber 102 by a first orifice plate 11, and the second treatment chamber is vertically divided into a second filter chamber 301 and a water outlet chamber 302 by a second orifice plate 12. A bearing layer 10 and a sand filter layer 20 are arranged from bottom to top in the first filter chamber 101, and an activated carbon layer 30 is arranged inside the second filter chamber 301. The water filter chamber 102 is connected to the drainage chamber 201 through the connecting hole 21. The first valve member 9 is used to control the connection state of the connecting hole 21. The drainage chamber 201 is connected to a drainage pipe 202. The drainage pipe 202 is provided with a second valve member 203. The water outlet chamber 302 is connected to a water outlet pipe 303. The top surfaces of the first baffle plate 2 and the second baffle plate 3 are lower than the top surface of the filter tank 1. The gate assembly 5 includes a plate body 51 and a lifting device 53. The plate body 51 is arranged on the top surface of the first baffle plate 2. The lifting device 53 is used to lift the plate body 51 and is connected to the output end of the transverse movement device 8. The backwashing assembly 4 is installed on the first orifice plate 11; A plurality of the shifting members 6 are installed on the plate body 51 at intervals.

[0022] In this embodiment, the bearing layer 10 is composed of coarse-grained gravel to support the sand material of the sand filter layer 20 .

[0023] See also Figure 2 During normal filtration, water flows into the filter pool 1 from above, is filtered through the sand filter layer 20, and then enters the filter chamber 102 through the bearing layer 10 and the first orifice plate 11. Water flows into the drainage chamber 201 through the connecting hole 21. When the water level inside the drainage chamber 201 is higher than the height of the second partition plate 3, the filtered water flows into the second filter chamber 301, and after being treated by the activated carbon layer 30, enters the water outlet chamber 302 through the second orifice plate 12, and is finally discharged from the outlet pipe 303 to the subsequent treatment equipment. When backwashing is required, the first valve member 9 blocks the connecting hole 21, and the second valve member 203 opens the drain pipe 202 to communicate with the drain chamber 201, and the lifting device 53 lifts the plate body 51 to separate the plate body 51 and the first partition plate 2 to form a water flow interval. At this time, the backwashing component 4 flows water from the bearing layer 10 to the sand filter layer 20, and the water flows through the sand filter layer 20 to bring out the suspended particles (hereinafter referred to as filter material) intercepted in the sand filter layer 20, and then enters the drain chamber 201 through the water flow interval, and finally is discharged through the drain pipe 202. During the backwashing process, the transverse movement device 8 drives the gate assembly 5 to move back and forth inside the first filter chamber 101, and the plate body 51 drives the multiple toggle members 6 to follow the movement. The toggle members 6 move and toggle the sand material in the sand filter layer 20, so that the sand material is turned over, so that the filter material in the sand material can better follow the water flow and be discharged into the drain chamber 201, avoiding the problem of poor backwashing effect of the sand material located between adjacent nozzles 421 in the backwashing component 4.

[0024] The end of the toggle member 6 away from the plate body 51 is inserted into the interior of the sand filter layer 20. After following the plate body 51 to be lifted for a distance, the lower end of the toggle member 6 is located at the upper part of the sand filter layer 20. Since the filtered filter material is mainly at the upper part of the sand filter layer 20, the part of the toggle member 6 located inside the sand filter layer 20 turns over the sand material, which can better turn over the filter material so that it can be discharged with the water flow. Subsequently, the first valve member 9 opens the connecting hole 21 again, and the second valve member 203 blocks the drain pipe 202 .

[0025] In this embodiment, the pretreatment module includes grid treatment, grit chamber treatment, and regulating tank treatment; the grid filters large impurities in the sewage; the grit chamber is mainly used to remove inorganic sand particles and particles with large specific gravity in the sewage, and the flow rate of the sewage is slowed down in the grit chamber, so that the sand particles and other particles are settled to the bottom of the tank under the action of gravity; The equalization tank can regulate the water volume and quality of sewage, so that the subsequent treatment process can be carried out under relatively stable conditions.

[0026] The biological treatment module uses the activated sludge method to fully contact the sewage with a mixed solution containing a large number of microorganisms (activated sludge) in an aeration tank. The microorganisms decompose organic pollutants in the sewage, such as sugars, proteins, and oils.

[0027] The disinfection module performs ultraviolet disinfection, chlorine disinfection, or chlorine dioxide disinfection on the water treated by the filtration module.

[0028] The various processing equipment can be connected through pipelines and water pumps.

[0029] In this embodiment, the first orifice plate 11 and the second orifice plate 12 are both plates with water holes, and the pore size of the water holes is smaller than the diameter of the gravel in the supporting layer 10 and the particle diameter of the activated carbon in the activated carbon layer 30; filter cloth or the like can also be set on the first orifice plate 11 and the second orifice plate 12 to support the supporting layer 10 and the activated carbon layer 30.

[0030] As a preferred embodiment of the present invention, the height of the second partition plate 3 is lower than that of the first partition plate 2 , so that the water entering the drainage cavity 201 can enter the second filter cavity 301 more quickly.

[0031] See also Figure 2 and Figure 3 As an optional method of this embodiment, the backwash component 4 includes a main pipe 41 and a plurality of branch pipes 42. The main pipe 41 is embedded in the first orifice plate 11, and one end of the main pipe 41 passes through the filter tank 1. The plurality of branch pipes 42 are installed at intervals on the main pipe 41, and each branch pipe 42 is provided with a plurality of nozzles 421 at intervals.

[0032] During backwashing, water flows through the main pipe 41 into the multiple branch pipes 42 in sequence, and then is sprayed out through the multiple nozzles 421 . The water flows through the bearing layer 10 and then passes through the sand filter layer 20 to achieve backwashing of the sand filter layer 20 .

[0033] The gravel in the bearing layer 10 covers the entire backwash assembly 4 , so that the water flow is buffered by the bearing layer 10 after being sprayed out by the nozzle 421 , so that the water flow can enter the sand filter layer 20 as evenly as possible.

[0034] In this embodiment, the backwash component 4 also includes a water pump, a water pipe and a water storage container. The output end of the water pump is connected to the main pipe 41 through the water pipe, and the input end is connected to the water storage container through the water pipe.

[0035] See also Figure 5 In this embodiment, each of the toggle members 6 is located between two adjacent rows of the nozzles 421, and the toggle member 6 includes two toggle plates 61 and a plurality of toggle shafts 62. The two toggle plates 61 are installed on the plate body 51 at intervals, and the plurality of toggle shafts 62 are installed between the two toggle plates 61.

[0036] By configuring each toggle member 6 to include two toggle plates 61 and a plurality of toggle shafts 62, when each toggle member 6 moves following the plate body 51, the two toggle plates 61 in each toggle member 6 drive the toggle shaft 62 to toggle sand materials of different depths within a certain width, thereby improving the toggle effect on the sand filter layer 20, so that the filter material can be better discharged following the backwash water, thereby improving the backwash effect.

[0037] The number of the shifting shafts 62 is not less than two, and in this embodiment, the number of the shifting shafts 62 is three; See also Figure 5 Preferably, the cross-section of the toggle plate 61 is set to a right triangle, with the right-angled side facing the toggle shaft 62. Since the toggle member 6 is located between two adjacent nozzles 421, when the toggle member 6 moves, the inclined surfaces of the two toggle plates 61 push the gravel to both sides, so that the gravel can be better moved to the position corresponding to the nozzle 421, that is, the position where the rising water flow is relatively large, thereby improving the flushing effect.

[0038] The bottom end of each toggle plate 61 is configured as a pointed end, so as to facilitate insertion into the sand material of the sand filter layer 20 .

[0039] Since the positions of the nozzles 421 on each branch pipe 42 are arranged correspondingly, the nozzles 421 at the same position on the multiple branch pipes 42 are arranged in a row. Since multiple nozzles 421 are arranged on each branch pipe 42, multiple rows are formed.

[0040] See also Figure 2 A receiving groove is provided on the first partition plate 2 at a position corresponding to the toggle member 6, and one side of the toggle member 6 is located in the receiving groove.

[0041] In other embodiments, more toggle members 6 may be provided and evenly distributed at the bottom of the plate 51 , corresponding to positions between two adjacent rows of nozzles 421 and positions corresponding to the nozzles 421 .

[0042] See also Figure 3 The gate assembly 5 also includes two sliding ears 52, and the two ends of the plate body 51 are correspondingly sleeved on the two side walls of the filter tank 1 through the sliding ears 52.

[0043] By setting a sliding ear 52 and sleeved on the side wall of the filter tank 1, when the transverse movement device 8 drives the gate assembly 5 to move, the sliding ear 52 cooperates with the side wall of the filter tank 1 to limit the moving direction of the gate assembly 5, so that the plate body 51 drives the toggle member 6 to move horizontally stably inside the filter tank 1.

[0044] As an optional mode of this embodiment, the lifting device 53 includes a lifting cylinder and a mounting frame, the lifting cylinder is installed at the output end of the traverse device 8 through the mounting frame, and the output end of the lifting cylinder is connected to the plate body 51 for lifting the plate body 51. The lifting cylinder can be an electric push rod, a cylinder or a hydraulic cylinder.

[0045] See also Figure 3 , Figure 5 and Figure 6As another optional method in this embodiment, the lifting device 53 includes an inclined frame portion 531 and two flat frame portions 532, the inclined frame portion 531 connects the two flat frame portions 532, and the flat frame portion 532 is installed at the output end of the transverse movement device 8. The gate assembly 5 also includes a lifting roller 54, one end of the lifting roller 54 is installed on one of the sliding ears 52, and the other end of the lifting roller 54 passes through the lifting device 53. The tops of the two side walls of the filter tank 1 and correspondingly located on both sides of the sliding ears 52 are respectively provided with brackets 13 and positioning rods 14.

[0046] See also Figure 5 In the initial state, the lifting roller 54 is located in the flat frame portion 532 at the lower end of the inclined frame portion 531.

[0047] Please refer to Figure 8 When the plate body 51 needs to be lifted, the transverse device 8 drives the lifting device 53 to move, and the inclined frame portion 531 of the lifting device 53 acts on the lifting roller 54 and gradually lifts the lifting roller 54, and the lifting roller 54 drives the plate body 51 to follow and move upward. When the lifting roller 54 enters the flat frame portion 532 at the other end of the inclined frame portion 531, it drives the plate body 51 to move to a preset height. At this time, the bottom of the sliding ear 52 close to the side of the plate body 51 is aligned with the top of the bracket 13. The subsequent transverse device 8 continues to move the lifting device 53, and the lifting device 53 drives the plate body 51 to move along the bracket 13. The bracket 13 auxiliary supports the plate body 51 through the sliding ear 52, and the plate body 51 drives the toggle member 6 to toggle the sand filter layer 20.

[0048] When the subsequent lateral movement device 8 pulls the lifting device 53 back to the starting position, the lifting roller 54 cannot descend along the inclined frame portion 531 after entering the inclined frame portion 531 because the bracket 13 limits the height of the plate body 51. Figure 8 (c) The inclined frame portion 531 drives the plate body 51 to move back and separate from the bracket 13 through the lifting roller 54 and the sliding ear 52. At this time, the sliding ear 52 abuts against the positioning rod 14. Since the height of the sliding ear 52 is not limited by the bracket 13 at this time and is limited by the positioning rod 14 in the horizontal direction, when the transverse movement device 8 continues to pull back the lifting device 53, the upper side wall of the inclined frame portion 531 pushes down the lifting roller 54, and drives the plate body 51 to move down to its original position through the sliding ear 52, thereby realizing the lifting and lowering of the plate body 51.

[0049] That is, the transverse movement device 8 cooperates with the gate assembly 5 to drive the toggle plate 61 to toggle the sand filter layer 20 to improve the backwashing effect, and cooperates with the lifting device 53 to lift the plate body 51, thereby forming a water flow interval and adjusting the height position of the toggle member 6.

[0050] Please refer again Figure 6Preferably, a pulley 521 is installed at the bottom of the sliding ear 52. By setting the pulley 521, the sliding ear 52 can slide along the top surface of the bracket 13, so that the movement of the plate body 51 is smoother.

[0051] Correspondingly, a roller is arranged on the inner side of the sliding ear 52 facing the side of the filter tank 1. The roller abuts against the side of the filter tank 1, so that when the lifting device 53 lifts the sliding ear 52, a rolling movement is formed between the sliding ear 52 and the side wall of the filter tank 1, making the upward movement smoother.

[0052] See also Figure 3 , Figure 5 and Figure 6 As a preferred embodiment of the present invention, the sewage treatment device for garden system repair further comprises a filter push device 7, a first tooth plate 701 and a second tooth plate 702, the filter push device 7 comprises a rotating shaft 71, a pushing net 73, two connecting plates 72 and two one-way gears 74, the rotating shaft 71 is rotatably mounted on the side of the plate body 51 facing the first filter chamber 101, the two connecting plates 72 are respectively mounted at both ends of the rotating shaft 71, the pushing net 73 is mounted between the two connecting plates 72, the two one-way gears 74 are respectively mounted at both ends of the rotating shaft 71, the two connecting plates 72 are located between the two one-way gears 74, and the two one-way gears 74 drive the rotating shaft 71 to rotate in opposite directions; The first tooth plate 701 is installed on one side of the inner wall of the filter tank 1 and is close to the plate body 51, and the second tooth plate 702 is installed on the other side of the inner wall of the filter tank 1 and is far away from the plate body 51; When the lifting device 53 lifts the plate body 51 to a preset height, the two one-way gears 74 are aligned with the first gear plate 701 and the second gear plate 702 respectively.

[0053] Please refer to Fig. 9 In the initial state, the push net 73 is arranged upward and parallel to the plate body 51. When the lifting device 53 lifts the plate body 51 to a preset height, the two one-way gears 74 are aligned with the first tooth plate 701 and the second tooth plate 702. During the process of the transverse movement device 8 driving the gate assembly 5 to move from the left end to the right end, the one-way gear 74 at one end away from the transverse movement device 8 acts on the first tooth plate 701. At this time, the one-way gear 74 will not drive the rotating shaft 71 to rotate, that is, the push net 73 is still facing upward, and will not drive the suspended filter material following the water flow to move toward the side away from the water flow interval (that is, the first partition plate 2). When the other one-way gear 74 acts on the second tooth plate 702, the one-way gear 74 drives the rotating shaft 71 to rotate 180 degrees, driving the push net 73 to flip, so that the push net 73 faces downward. Fig. 9 (b).

[0054] When the subsequent transverse movement device 8 drives the plate body 51 to move toward one side of the first partition plate 2, the one-way gear 74 will not drive the rotating shaft 71 to rotate when it acts with the second tooth plate 702 again, that is, the pushing net 73 remains downward, so that the pushing net 73 can drive the filter material suspended in the water flow toward the water flow gap, so that the filter material can be cleaned more quickly and cleanly.

[0055] When the one-way gear 74 at one end of the rotating shaft 71 away from the transverse movement device 8 acts on the first tooth plate 701 again, the driving shaft 71 rotates 180 degrees counterclockwise, driving the pushing net 73 to rotate upward to be parallel to the plate body 51, and the subsequent pushing filter device 7 can be reused multiple times.

[0056] That is, the transverse movement device 8 cooperates with the gate assembly 5 to drive the toggle plate 61 to toggle the sand filter layer 20 to improve the backwashing effect, and cooperates with the lifting device 53 to lift the plate body 51, thereby forming a water flow interval, and drives the filter pushing device 7 to quickly push the filter material at the backwashing location out of the water flow interval, and cooperates with the first tooth plate 701 and the second tooth plate 702 to realize the flipping control of the push net 73.

[0057] When the one-way gear 74 and the second tooth plate 702 act on each other, a gap is left between the plate body 51 and the inner wall of the filter tank 1 to meet the space requirement when the pushing net 73 rotates.

[0058] Please refer again Figure 6 In this embodiment, the one-way gear 74 includes a one-way bearing 741 and a gear 742 . The one-way bearing 741 is mounted on the rotating shaft 71 , and the gear 742 is mounted on the one-way bearing 741 .

[0059] When the outer ring of the one-way bearing 741 rotates, the inner ring can only rotate in one direction.

[0060] The mesh diameter of the push net 73 is larger than the diameter of the sand in the sand filter layer 20 .

[0061] In other embodiments, the one-way gear 74 includes a gear 742 and a ratchet. An annular groove is provided inside the gear 742. The gear 742 is rotatably mounted on the rotating shaft 71. The ratchet is mounted in the annular groove of the gear 742. The ratchet can rotate in one direction. A plurality of teeth are arranged around the position of the rotating shaft 71 corresponding to the annular groove, and the ratchets mesh with the teeth.

[0062] See also Figure 6 As a preferred embodiment of the present invention, adsorption shafts 511 are installed at the top and bottom of the plate body 51, and magnetic blocks 721 are installed at the top of one side of the connecting plate 72 and the bottom of the other side. The magnetic block 721 at the top of one side of the connecting plate 72 is adsorbed on the adsorption shaft 511 at the top of the plate body 51.

[0063] By adsorbing the magnetic block 721 on the top of one side of the connecting plate 72 to the adsorption shaft 511 on the top of the plate body 51, the pushing net 73 can be kept upward and parallel to the plate body 51 when there is no external force.

[0064] When the push net 73 is subsequently turned over, the magnetic block 721 at the bottom of the other side of the connecting plate 72 is adsorbed to the adsorption shaft 511 at the bottom of the plate body 51, so that the push net 73 can stably maintain a downward state and stably push the suspended filter material toward the water flow interval.

[0065] In one embodiment, the adsorption shaft 511 is a metal shaft that can be adsorbed by a magnet; in another embodiment, the adsorption shaft 511 can also be a shaft with a magnetic block 721 also set at the end of the shaft, and the polarity of the magnetic block 721 is opposite to that of the connecting plate 72.

[0066] See also Figure 7 In this embodiment, the first valve component 9 includes a push cylinder 91 and a first valve plate 92. The push cylinder 91 is installed outside the filter tank 1. The first valve plate 92 is arranged adjacent to the connecting hole 21 and fits the first partition plate 2. The output end of the push cylinder 91 passes through the filter tank 1 and is connected to the first valve plate 92.

[0067] When the connection hole 21 needs to be closed, the push cylinder 91 pushes the first valve plate 92 to align it with the connection hole 21, thereby blocking the connection hole 21; In this embodiment, two connecting holes 21 are preferably provided and are opened at intervals, and two corresponding first valve plates 92 are provided, and the two first valve plates 92 are connected by a connecting rod.

[0068] The output shaft of the push cylinder 91 passes through the position of the filter tank 1 and is processed by mechanical sealing. The push cylinder 91 can be an electric push rod, a cylinder or a hydraulic cylinder.

[0069] In other embodiments, the first valve component 9 includes a driving motor, a mounting shaft and a first valve plate 92. The driving motor is installed outside the filter tank 1. One end of the mounting shaft passes through the filter tank 1 and is connected to the output shaft of the driving motor. One end of the first valve plate 92 is fixedly mounted on the mounting shaft. The driving motor drives the first valve plate 92 to rotate via the mounting shaft to open and close the connecting hole 21.

[0070] Please refer again Figure 7 A through hole 31 is formed at the bottom of the second partition plate 3. The first valve member 9 further includes a driving rod 93 and a second valve plate 94. The second valve plate 94 is arranged adjacent to the through hole 31 and is attached to the second partition plate 3. The second valve plate 94 is connected to the first valve plate 92 via the driving rod 93.

[0071] By setting the through hole 31, when backwashing is needed, the water within the height of the second partition plate 3 can flow into the second filter chamber 301 through the through hole 31, and when the water flow in the drainage chamber 201 is discharged, the backwashing operation is performed. At the same time, it can also assist the filtered water to enter the second filter chamber 301 through the through hole 31 and be processed by the activated carbon layer 30; The laying height of the activated carbon layer 30 is higher than the through hole 31; During backwashing, when the push cylinder 91 pushes the first valve plate 92 to block the connecting hole 21 , the first valve plate 92 drives the second valve plate 94 to block the through hole 31 via the driving rod 93 .

[0072] The number of through holes 31 is preferably the same as that of the connecting holes 21 , and the corresponding second valve plates 94 and driving rods 93 are provided in corresponding numbers.

[0073] See also Figure 6 In this embodiment, the transverse movement device 8 includes a motor 81, a mounting plate 82, a threaded block 83, a screw rod 84 and a slide rod 85. The motor 81 is installed on the filter tank 1 through the mounting plate 82. One end of the screw rod 84 is connected to the output end of the motor 81. The slide rod 85 is installed on the mounting plate 82. The threaded block 83 is installed on the screw rod 84, and the bottom end of the threaded block 83 is sleeved on the slide rod 85. The lifting device 53 is installed on the threaded block 83.

[0074] When the transverse moving device 8 is working, the motor 81 drives the screw rod 84 to rotate, and the threaded block 83 moves horizontally along the screw rod 84, thereby driving the lifting device 53 to move along.

[0075] In other embodiments, the transverse movement device 8 may also be a belt conveyor, a cylinder, a hydraulic cylinder or an electric push rod.

[0076] The working principle of the sewage treatment device for garden system repair provided by the present invention is as follows: See also Figure 2 During normal filtration, water flows into the filter pool 1 from above, is filtered through the sand filter layer 20, and then enters the filter chamber 102 through the bearing layer 10 and the first orifice plate 11. Water flows into the drainage chamber 201 through the connecting hole 21. When the water level inside the drainage chamber 201 is higher than the height of the second partition plate 3, the filtered water flows into the second filter chamber 301, and after being treated by the activated carbon layer 30, enters the water outlet chamber 302 through the second orifice plate 12, and is finally discharged from the outlet pipe 303 to the subsequent treatment equipment. When backwashing is required, the first valve member 9 blocks the connecting hole 21, and the second valve member 203 opens the drain pipe 202 to communicate with the drain chamber 201, and the lifting device 53 lifts the plate body 51 to separate the plate body 51 and the first partition plate 2 to form a water flow interval. At this time, the backwashing component 4 flows water from the bearing layer 10 to the sand filter layer 20, and the water flows through the sand filter layer 20 to bring out the suspended particles (hereinafter referred to as filter material) intercepted in the sand filter layer 20, and then enters the drain chamber 201 through the water flow interval, and finally is discharged through the drain pipe 202. During the backwashing process, the transverse movement device 8 drives the gate assembly 5 to move back and forth inside the first filter chamber 101, and the plate body 51 drives the multiple toggle members 6 to follow the movement. The toggle members 6 move and toggle the sand material in the sand filter layer 20, so that the sand material is turned over, so that the filter material in the sand material can better follow the water flow and be discharged into the drain chamber 201, avoiding the problem of poor backwashing effect of the sand material located between adjacent nozzles 421 in the backwashing component 4.

[0077] At the same time, by setting the filter pusher 7, please refer to Fig. 9 In the initial state, the push net 73 is arranged upward and parallel to the plate body 51. When the lifting device 53 lifts the plate body 51 to a preset height, the two one-way gears 74 are aligned with the first tooth plate 701 and the second tooth plate 702. During the process of the transverse movement device 8 driving the gate assembly 5 to move from the left end to the right end, the one-way gear 74 at one end away from the transverse movement device 8 acts on the first tooth plate 701. At this time, the one-way gear 74 will not drive the rotating shaft 71 to rotate, that is, the push net 73 is still facing upward, and will not drive the suspended filter material following the water flow to move toward the side away from the water flow interval (that is, the first partition plate 2). When the other one-way gear 74 acts on the second tooth plate 702, the one-way gear 74 drives the rotating shaft 71 to rotate 180 degrees, driving the push net 73 to flip, so that the push net 73 faces downward. Fig. 9 (b).

[0078] When the subsequent transverse movement device 8 drives the plate body 51 to move toward one side of the first partition plate 2, the one-way gear 74 will not drive the rotating shaft 71 to rotate when it acts with the second tooth plate 702 again, that is, the pushing net 73 remains downward, so that the pushing net 73 can drive the filter material suspended in the water flow toward the water flow gap, so that the filter material can be cleaned more quickly and cleanly.

[0079] When the one-way gear 74 at one end of the rotating shaft 71 away from the transverse movement device 8 acts on the first tooth plate 701 again, the driving shaft 71 rotates 180 degrees counterclockwise, driving the pushing net 73 to rotate upward to be parallel to the plate body 51, and the subsequent pushing filter device 7 can be reused multiple times.

[0080] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sewage treatment device for garden system restoration, comprising: A pretreatment module, a biological treatment module, a filtration module and a disinfection module connected in sequence, characterized in that the filtration module comprises a filtration tank, a first baffle, a second baffle, a backwashing assembly, a gate assembly, a traverse device, a first valve member and a plurality of toggle members; The first partition plate and the second partition plate sequentially separate the filter tank into a first treatment chamber, a drainage chamber, and a second treatment chamber. The first treatment chamber is divided into a first filter chamber and a water filter chamber by a first orifice plate, and the second treatment chamber is divided into a second filter chamber and a water outlet chamber by a second orifice plate. A bearing layer and a sand filter layer are arranged from bottom to top in the first filter chamber, and an activated carbon layer is arranged inside the second filter chamber. The water filter cavity is connected to the drainage cavity through a connecting hole, the first valve member is used to control the connection state of the connecting hole, the drainage cavity is connected to a drainage pipe, the drainage pipe is provided with a second valve member, and the water outlet cavity is connected to a water outlet pipe; The top surfaces of the first baffle and the second baffle are lower than the top surface of the filter tank, the gate assembly comprises a plate body and a lifting device, the plate body is arranged on the top surface of the first baffle, the lifting device is used to lift the plate body and is connected to the output end of the transverse movement device; The backwash assembly is mounted on the first orifice plate; A plurality of the toggle members are installed on the plate body at intervals.

2. The sewage treatment device for garden system restoration according to claim 1 is characterized in that: The backwashing assembly includes a main pipe and a plurality of branch pipes. The main pipe is embedded in the first orifice plate, and one end of the main pipe passes through the filter tank. The plurality of branch pipes are installed on the main pipe at intervals, and each branch pipe is provided with a plurality of nozzles at intervals.

3. The sewage treatment device for garden system restoration according to claim 2 is characterized in that: Each of the toggle members is located between two adjacent rows of nozzles. The toggle member comprises two toggle plates and a plurality of toggle shafts. The two toggle plates are installed on the plate body at intervals, and the plurality of toggle shafts are installed between the two toggle plates.

4. The sewage treatment device for garden system restoration according to claim 1 is characterized in that: The gate assembly also includes two sliding ears, and the two ends of the plate body are correspondingly mounted on the two side walls of the filter tank through the sliding ears.

5. The sewage treatment device for garden system restoration according to claim 4 is characterized in that: The lifting device includes an inclined frame part and two flat frame parts, the inclined frame part connects the two flat frame parts, and the flat frame part is installed at the output end of the transverse movement device. The gate assembly also includes a lifting roller, one end of the lifting roller is installed on a sliding ear, and the other end of the lifting roller passes through the lifting device. Brackets and positioning rods are respectively arranged on the top of the two side walls of the filter tank and correspondingly on both sides of the sliding ear.

6. The sewage treatment device for garden system restoration according to claim 4 is characterized in that: The sewage treatment device for garden system repair also includes a filter push device, a first tooth plate and a second tooth plate, the filter push device includes a rotating shaft, a push net, two connecting plates and two one-way gears, the rotating shaft is rotatably mounted on the side of the plate body facing the first filter chamber, the two connecting plates are respectively mounted at both ends of the rotating shaft, the push net is mounted between the two connecting plates, the two one-way gears are respectively mounted at both ends of the rotating shaft, the two connecting plates are located between the two one-way gears, and the two one-way gears drive the rotating shaft to rotate in opposite directions; The first tooth plate is installed on one side of the inner wall of the filter tank and is close to the plate body, and the second tooth plate is installed on the other side of the inner wall of the filter tank and is far away from the plate body; When the lifting device lifts the plate body to a preset height, the two one-way gears are aligned with the first gear plate and the second gear plate respectively.

7. The sewage treatment device for garden system restoration according to claim 6 is characterized in that: The top and bottom of the plate body are both equipped with adsorption shafts, the top of one side of the connecting plate and the bottom of the other side are both equipped with magnetic blocks, and the magnetic block on the top of one side of the connecting plate is adsorbed on the adsorption shaft on the top of the plate body.

8. The sewage treatment device for garden system restoration according to claim 1 is characterized in that: The first valve component includes a push cylinder and a first valve plate. The push cylinder is installed outside the filter tank. The first valve plate is arranged adjacent to the connecting hole and fits the first partition. The output end of the push cylinder passes through the filter tank and is connected to the first valve plate.

9. The sewage treatment device for garden system restoration according to claim 8, characterized in that: A through hole is formed at the bottom of the second partition plate. The first valve member further comprises a driving rod and a second valve plate. The second valve plate is disposed adjacent to the through hole and is attached to the second partition plate. The second valve plate is connected to the first valve plate via the driving rod.

10. The sewage treatment device for garden system restoration according to claim 4, characterized in that: The transverse movement device includes a motor, a mounting plate, a threaded block, a screw rod and a sliding rod. The motor is mounted on the filter tank through the mounting plate. One end of the screw rod is connected to the output end of the motor. The sliding rod is mounted on the mounting plate. The threaded block is mounted on the screw rod, and the bottom end of the threaded block is sleeved on the sliding rod. The lifting device is mounted on the threaded block.

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