Domestic sewage treatment device

Abstract

According to the technical scheme, the domestic sewage treatment device is characterized by comprising a filter box and a water purification box, a plurality of sets of first supporting legs are welded to the bottom of the filter box, a water inlet pipe is arranged on one side of the filter box in a communicated mode, a first valve is fixedly installed on the water inlet pipe, a filter plate is arranged in the filter box, and a second valve is fixedly installed on the filter plate. A first discharging assembly is arranged at the bottom of the other side of the filtering box, the top of the filtering box communicates with the top of the water purifying box through a communicating pipe, a back-flushing pipe communicates with the top of the filtering box, a second valve is fixedly installed on the back-flushing pipe, a discharging pipe communicates with the bottom of the filtering box, and a second valve is fixedly installed on the discharging pipe. A third valve is fixedly mounted on the discharging pipe; according to the utility model, the filter plate can be subjected to backwashing treatment by arranging the backwashing pipe and the discharging pipe, so that the filter plate can be conveniently and regularly cleaned, the condition that the filter plate is blocked by impurities is prevented, and the water passing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a domestic sewage treatment device. Background Art

[0002] Domestic sewage is the most common sewage. The discharge water generated by various kitchen water, washing water and toilet water used in human life is mostly non-toxic inorganic salts. Domestic sewage contains a lot of nitrogen, phosphorus, sulfur and pathogenic bacteria. The treatment of domestic sewage must be scientific, efficient and sustainable.

[0003] Referring to the existing Chinese patent with publication number CN208292687U, a domestic sewage treatment device is disclosed, including a main body and a sliding rod, a water inlet pipe is provided at one end of the main body, a water outlet pipe is provided at the other end of the main body, an oil outlet pipe is provided on the side of the main body, a cleaning ring is provided inside the oil outlet pipe, a sliding block is provided on the surface of the oil outlet pipe, and the cleaning ring and the sliding block are fixedly connected by a sliding rod, a first movable cover is provided on one side of the top end of the main body, and a servo motor is provided at the top end of the first movable cover through a fixing bolt.

[0004] The above-mentioned domestic sewage treatment device avoids the problem of vegetable leaves and other foreign objects clogging the filter tank by designing a rotatable blade device. The vegetable leaves will be crushed into crumbs by the blade and can pass through the filter tank without affecting the filter tank. Under the rotation of the blade, the water flow will be more urgent, which can speed up the water flow, better treat sewage, and improve efficiency. However, the above-mentioned domestic sewage treatment device still has some disadvantages, such as: First, when the domestic sewage is uniformly treated, the impurities in the domestic sewage are filtered by the filter box. During the filtering process, the impurities and vegetable residues easily cause the filter plate in the filter box to be blocked, which needs to be regularly disassembled and cleaned, and the disassembly and assembly process is relatively time-consuming and laborious; Second, it is inconvenient to discharge the filtered impurities and vegetable residues and the purified impurity precipitates. For this reason, a domestic sewage treatment device is designed. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a domestic sewage treatment device to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A domestic sewage treatment device comprises a filter box and a clean water tank, wherein a plurality of groups of first legs are welded to the bottom of the filter box, a water inlet pipe is connected to one side of the filter box, a first valve is fixedly installed on the water inlet pipe, a filter plate is arranged inside the filter box, a first discharge assembly is arranged at the bottom of the other side of the filter box, the top of the filter box is connected to the top of the clean water tank through a connecting pipe, a recoil pipe is connected to the top of the filter box, a second valve is fixedly installed on the recoil pipe, a discharge pipe is connected to the bottom of the filter box, a third valve is fixedly installed on the discharge pipe, a feeding port is connected to the top of the clean water tank, a plurality of groups of second legs are welded to the bottom of the clean water tank, a stirring mechanism is arranged on one side of the clean water tank, a second discharge assembly is arranged at the bottom of the clean water tank, a water outlet pipe is connected to the bottom of the clean water tank, and a fourth valve is fixedly installed on the water outlet pipe.

[0008] By adopting the above technical scheme, by setting up a backwash pipe and a discharge pipe, the filter plate can be backwashed, which is convenient for regular cleaning of the filter plate, thereby preventing impurities from clogging the filter plate and increasing the water flow effect; by setting up the first discharge component and the second discharge component, the impurities and vegetable residues inside the filter box and the impurity precipitation inside the clean water tank can be discharged respectively, which facilitates the control of the slag discharge work and helps prevent impurities from affecting the sewage treatment effect.

[0009] Preferably, the first material discharge assembly includes a servo electric cylinder, a cross bar, two groups of longitudinal rods, two groups of push-pull rods, a cover plate and a material discharge port, the material discharge port is opened at the bottom of the filter box, the servo electric cylinder is fixedly installed on the outer surface of the filter box, the middle position of the cross bar is welded to the output end of the servo electric cylinder, the two groups of longitudinal rods are respectively welded to the two ends of the cross bar, the two groups of push-pull rods are respectively welded to the bottom ends of the two groups of longitudinal rods, the cover plate is welded to the other end of the two groups of push-pull rods, and the cover plate is arranged at the material discharge port.

[0010] By adopting the above technical solution, the servo electric cylinder pushes the cross bar to move, the cross bar drives the longitudinal bar to move, and the longitudinal bar drives the push-pull rod to move the cover plate out of the discharge port, thereby opening the discharge port to facilitate the discharge and cleaning of impurities inside the filter box.

[0011] Preferably, a rubber sealing pad is provided between the outer surface of the cover plate and the feed opening.

[0012] By adopting the above technical solution, the sealing between the cover plate and the feed opening can be increased to prevent water leakage.

[0013] Preferably, the structure of the second blanking assembly is the same as that of the first blanking assembly.

[0014] By adopting the above technical solution, the complexity of the structure can be reduced and the operation is facilitated.

[0015] Preferably, the stirring mechanism includes a servo motor, a rotating shaft and a stirring plate, the servo motor is fixedly mounted on the outer surface of the clean water tank, both ends of the rotating shaft are rotatably arranged on the inner wall of the clean water tank, the output end of the servo motor is transmission-connected to one end of the rotating shaft, and the stirring plate is welded to the outer surface of the rotating shaft.

[0016] By adopting the above technical solution, the servo motor drives the rotating shaft to rotate, and the rotating shaft drives the stirring plate to rotate, so that the stirring plate stirs the sewage, thereby increasing the sufficiency of the reaction between the catalyst and the sewage and accelerating the speed of sewage purification.

[0017] Preferably, an inclined plate is fixedly provided at the bottom of the clean water tank, and the bottom of the inclined plate is provided on one side of the second unloading assembly.

[0018] By adopting the above technical solution, the adequacy of discharging precipitated impurities can be increased.

[0019] Preferably, the top of the water outlet pipe passes through the inclined plate, and a filter screen cover is fixedly provided on the top of the water outlet pipe.

[0020] By adopting the above technical solution, it is possible to prevent precipitated impurities from being discharged through the water outlet pipe, thereby facilitating filtering treatment.

[0021] Preferably, a transparent observation window is provided on the bottom outer surface of the clean water tank.

[0022] By adopting the above technical solution, it is possible to conveniently observe the amount of sediment generated inside the purification box, and when the sediment amount reaches a certain amount, it is convenient to discharge the material in time.

[0023] In summary, the utility model mainly has the following beneficial effects:

[0024] First, the utility model can backwash the filter plate by arranging the backwash pipe and the discharge pipe, so as to facilitate the regular cleaning of the filter plate, thereby preventing the filter plate from being blocked by impurities and increasing the water flow effect;

[0025] Second, the utility model can discharge the impurities and vegetable residues inside the filter box and the impurities and precipitates inside the water purification tank respectively by providing the first discharge component and the second discharge component, thereby facilitating the control of the slag discharge work and preventing impurities from affecting the sewage treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is one of the structural schematic diagrams of the utility model;

[0027] Figure 2 This is the second structural cross-sectional view of the utility model;

[0028] Figure 3 It is a structural cross-sectional view of the filter box part of the utility model;

[0029] Figure 4 It is a structural cross-sectional view of the water purification tank part of the utility model;

[0030] Figure 5 yes Figure 3 Enlarged view of point A in .

[0031] Figure numerals: 1. filter box; 2. clean water tank; 3. first leg; 4. water inlet pipe; 5. first valve; 6. filter plate; 7. first unloading assembly; 71. servo electric cylinder; 72. cross bar; 73. longitudinal bar; 74. push-pull rod; 75. cover plate; 76. unloading port; 77. rubber sealing pad; 8. connecting pipe; 9. recoil pipe; 10. second valve; 11. discharge pipe; 12. third valve; 13. feeding port; 14. second leg; 15. stirring mechanism; 151. servo motor; 152. rotating shaft; 153. stirring plate; 16. second unloading assembly; 17. water outlet pipe; 18. fourth valve; 19. tilting plate; 20. filter screen; 21. transparent observation window. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Example 1

[0034] refer to Figure 1-5A domestic sewage treatment device comprises a filter box 1 and a clean water tank 2, a plurality of first legs 3 are welded to the bottom of the filter box 1, a water inlet pipe 4 is connected to one side of the filter box 1, a first valve 5 is fixedly installed on the water inlet pipe 4, a filter plate 6 is arranged inside the filter box 1, a first material discharge assembly 7 is arranged at the bottom of the other side of the filter box 1, the top of the filter box 1 is connected to the top of the clean water tank 2 through a connecting pipe 8, a backwash pipe 9 is connected to the top of the filter box 1, and the backwash pipe 9, a second valve 10 is fixedly installed on the filter box 1, a discharge pipe 11 is connected to the bottom of the filter box 1, a third valve 12 is fixedly installed on the discharge pipe 11, a feeding port 13 is connected to the top of the clean water tank 2, a plurality of second legs 14 are welded to the bottom of the clean water tank 2, a stirring mechanism 15 is provided on one side of the clean water tank 2, a second discharge assembly 16 is provided at the bottom of the clean water tank 2, a water outlet pipe 17 is connected to the bottom of the clean water tank 2, and a fourth valve 18 is fixedly installed on the water outlet pipe 17.

[0035] refer to Figure 1 and Figure 5 The first material discharge component 7 includes a servo electric cylinder 71, a cross bar 72, two groups of longitudinal rods 73, two groups of push-pull rods 74, a cover plate 75 and a material discharge port 76. The material discharge port 76 is opened at the bottom of the filter box 1. The servo electric cylinder 71 is fixedly installed on the outer surface of the filter box 1. The middle position of the cross bar 72 is welded to the output end of the servo electric cylinder 71. The two groups of longitudinal rods 73 are respectively welded to the two ends of the cross bar 72. The two groups of push-pull rods 74 are respectively welded to the bottom ends of the two groups of longitudinal rods 73. The cover plate 75 is welded to the other end of the two groups of push-pull rods 74. The cover plate 75 is arranged at the material discharge port 76. The cross bar 72 is pushed to move by the servo electric cylinder 71, and the cross bar 72 drives the longitudinal rod 73 to move. The longitudinal rod 73 drives the push-pull rod 74 to move the cover plate 75 out of the material discharge port 76, thereby opening the material discharge port 76 to facilitate the discharge and cleaning of impurities inside the filter box 1.

[0036] refer to Figure 5 In order to increase the sealing between the cover plate 75 and the discharge port 76 to prevent water leakage, a rubber sealing pad 77 is provided between the outer surface of the cover plate 75 and the discharge port 76.

[0037] refer to Figure 1-2 In order to reduce the complexity of the structure and facilitate operation, the structure of the second blanking component 16 is the same as that of the first blanking component 7.

[0038] refer to Figure 4The stirring mechanism 15 includes a servo motor 151, a rotating shaft 152 and a stirring plate 153. The servo motor 151 is fixedly mounted on the outer surface of the clean water tank 2. Both ends of the rotating shaft 152 are rotatably arranged on the inner wall of the clean water tank 2. The output end of the servo motor 151 is transmission-connected with one end of the rotating shaft 152. The stirring plate 153 is welded on the outer surface of the rotating shaft 152. The rotating shaft 152 is driven to rotate by the servo motor 151, and the rotating shaft 152 drives the stirring plate 153 to rotate, so that the stirring plate 153 stirs the sewage, thereby increasing the sufficiency of the reaction between the catalyst and the sewage and accelerating the sewage purification speed.

[0039] refer to Figure 4 , in order to increase the adequacy of the discharge of precipitated impurities; an inclined plate 19 is fixedly provided at the bottom of the clean water tank 2, and the bottom of the inclined plate 19 is arranged on one side of the second unloading component 16.

[0040] refer to Figure 4 In order to prevent the precipitated impurities from being discharged along the outlet pipe 17, it is convenient for filtering treatment; the top of the outlet pipe 17 passes through the inclined plate 19, and a filter screen cover 20 is fixedly provided on the top of the outlet pipe 17.

[0041] refer to Figure 1 In order to facilitate observation of the amount of sediment generated inside the purification box and to facilitate timely discharge when the sediment amount reaches a certain amount, a transparent observation window 21 is provided on the outer surface of the bottom of the clean water tank 2.

[0042] Principle and advantages of use:

[0043] The water inlet pipe 4 is connected to the infusion pump, and the sewage is sent into the filter box 1 through the water inlet pipe 4. The impurities and vegetable residues in the sewage are filtered by the filter plate 6. The filtered water is transported to the clean water tank 2 through the connecting pipe. When the water inside the clean water tank 2 is full of water, the catalyst is added through the feeding port 13 to react with water to generate impurity precipitation. At the same time, the servo motor 151 drives the rotating shaft 152 to rotate, and the rotating shaft 152 drives the stirring plate 153 to rotate for stirring, thereby accelerating the reaction speed, completing the water purification process, and the impurity precipitation falls to the bottom of the clean water tank 2. , and the impurity precipitation will not submerge the filter screen cover 20 on the outlet pipe 17. By opening the fourth valve 18, the purified water is discharged through the outlet pipe 17, and filtered by the filter screen cover 20 to ensure that the impurity precipitation will not be brought out; when it is necessary to clean the filter plate 6, close the first valve 5, open the second valve 10 and the third valve 12, connect the backwash pipe 9 to the water pump for water supply, and use the backwash pipe 9 to transport water to the inside of the filter box 1 to backwash the filter plate 6, thereby completing the cleaning of the filter plate 6.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A domestic sewage treatment device, comprising a filter box (1) and a clean water tank (2), characterized in that: A plurality of groups of first legs (3) are welded to the bottom of the filter box (1); a water inlet pipe (4) is connected to one side of the filter box (1); a first valve (5) is fixedly mounted on the water inlet pipe (4); a filter plate (6) is arranged inside the filter box (1); a first material discharge assembly (7) is arranged at the bottom of the other side of the filter box (1); the top of the filter box (1) is connected to the top of the clean water tank (2) via a connecting pipe (8); a recoil pipe (9) is connected to the top of the filter box (1); a second valve (15) is fixedly mounted on the recoil pipe (9); 0), the bottom of the filter box (1) is connected to a discharge pipe (11), a third valve (12) is fixedly installed on the discharge pipe (11), the top of the clean water tank (2) is connected to a feeding port (13), a plurality of groups of second legs (14) are welded to the bottom of the clean water tank (2), a stirring mechanism (15) is provided on one side of the clean water tank (2), a second discharge assembly (16) is provided at the bottom of the clean water tank (2), a water outlet pipe (17) is connected to the bottom of the clean water tank (2), a fourth valve (18) is fixedly installed on the water outlet pipe (17).

2. A domestic sewage treatment device according to claim 1, characterized in that: The first material discharge assembly (7) comprises a servo electric cylinder (71), a cross bar (72), two groups of longitudinal rods (73), two groups of push-pull rods (74), a cover plate (75) and a material discharge port (76); the material discharge port (76) is opened at the bottom of the filter box (1); the servo electric cylinder (71) is fixedly mounted on the outer surface of the filter box (1); the middle position of the cross bar (72) is welded to the output end of the servo electric cylinder (71); the two groups of longitudinal rods (73) are respectively welded to the two ends of the cross bar (72); the two groups of push-pull rods (74) are respectively welded to the bottom ends of the two groups of longitudinal rods (73); the cover plate (75) is welded to the other ends of the two groups of push-pull rods (74); and the cover plate (75) is arranged at the material discharge port (76).

3. A domestic sewage treatment device according to claim 2, characterized in that: A rubber sealing pad (77) is provided between the outer surface of the cover plate (75) and the feed opening (76).

4. A domestic sewage treatment device according to claim 3, characterized in that: The structure of the second blanking component (16) is the same as that of the first blanking component (7).

5. A domestic sewage treatment device according to claim 1, characterized in that: The stirring mechanism (15) comprises a servo motor (151), a rotating shaft (152) and a stirring plate (153); the servo motor (151) is fixedly mounted on the outer surface of the clean water tank (2); both ends of the rotating shaft (152) are rotatably arranged on the inner wall of the clean water tank (2); the output end of the servo motor (151) is drivingly connected to one end of the rotating shaft (152); and the stirring plate (153) is welded to the outer surface of the rotating shaft (152).

6. A domestic sewage treatment device according to claim 1, characterized in that: An inclined plate (19) is fixedly arranged at the bottom of the clean water tank (2), and the bottom of the inclined plate (19) is arranged on one side of the second unloading component (16).

7. A domestic sewage treatment device according to claim 6, characterized in that: The top of the water outlet pipe (17) passes through the inclined plate (19), and a filter screen cover (20) is fixedly arranged on the top of the water outlet pipe (17).

8. A domestic sewage treatment device according to claim 6, characterized in that: The outer surface of the bottom of the clean water tank (2) is provided with a transparent observation window (21).

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