Sewage treatment device with multi-stage filtering function

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device with a multi-stage filtering function, which comprises a tank body and a top cover for sealing the tank body, and further comprises a mounting frame, the mounting frame is detachably mounted in the tank body, and a filtering component is mounted on the mounting frame; the supporting frame is mounted on the outer surface of the tank body; the transmission mechanism is installed on the top of the top cover, and the smashing assembly is installed on the top cover. The sewage treatment device has a multi-stage filtering function, can effectively remove particles and impurities of various sizes in sewage, improves the sewage treatment precision and effect, achieves the purpose of crushing large particles in the sewage by arranging the crushing assembly, and is convenient to mount and dismount because the mounting frame is detachably mounted in the tank body. The filter assembly is convenient to maintain, replace and clean, the maintenance cost and difficulty are reduced, pollutants attached to the filter plate are removed by arranging the cleaning mechanism, and the stability and continuity of the filter efficiency are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially sewage treatment device with multistage filtering function. BACKGROUND

[0002] With the acceleration of industrialization process and population growth, water resource shortage and water pollution problem is increasingly serious. The traditional sewage treatment method often is difficult to satisfy the demand of efficient sewage treatment, therefore, sewage treatment device with multistage filtering function emerges as the times require, at present, global water resource faces huge pressure. On the one hand, the continuous growth of population and the rapid development of economy lead to the sustained increase of demand for water resources, on the other hand, industrial wastewater, domestic sewage and agricultural non-point source pollution etc. are continuously discharged, so that a large amount of water resources is polluted, and the available clean water resources are less and less, the traditional sewage treatment method mainly includes physical treatment, chemical treatment and biological treatment etc.

[0003] Physical treatment method such as sedimentation, filtration etc. can only remove the larger particulate matter in sewage, and the removal effect of organic matter and heavy metals etc. dissolved in water is limited.

[0004] Chemical treatment method usually needs to add chemical reagent, although some specific pollutants can be removed, but secondary pollution may be produced, and the processing cost is higher.

[0005] Biological treatment method mainly utilizes the metabolic action of microorganism to remove organic matter in sewage, but the treatment effect of some refractory organic matter and heavy metal pollutants is also not ideal. In addition, biological treatment method has higher requirements for water quality, water temperature etc. and is easily affected by external factors in the treatment process.

[0006] Through the retrieval, the China utility model patent with the authorization announcement number CN 221601396 U discloses a sewage treatment device with multistage filtering function, and belongs to the field of sewage treatment, including sewage treatment tank, the outer portion of the top end of the sewage treatment tank is fixedly installed with sealing cover, the middle part of the sealing cover is movably sleeved with rotating shaft, the top end of the rotating shaft is fixedly connected with rotating motor, the outer portion of the rotating shaft is provided with No. 1 filter screen, No. 2 filter screen and No. 3 filter screen from top to bottom, the top of No. 1 filter screen, No. 2 filter screen and No. 3 filter screen is fixedly connected with mounting sleeve;The utility model discloses a mounting sleeve and bolt can be used for disassembling and cleaning No. 1 filter screen, No. 2 filter screen and No. 3 filter screen in the process of sewage filtration treatment, and No. 1 filter screen, No. 2 filter screen and No. 3 filter screen with different aperture sizes can effectively filter impurities with different particle (volume) sizes, so that the filtration effect of sewage is improved.

[0007] The above device has at least the following technical defects:

[0008] 1. During the filtration process, pollutants will adhere to the upper surface of the filter screen, thus affecting the filtration efficiency of the filter screen.

[0009] 2. The crushing device is installed on one side of the tank, which cannot effectively crush large-volume pollutants, further reducing the working efficiency of the device.

[0010] 3. After the filtration process is completed, the three filters need to be disassembled and cleaned. This is complicated to operate, inconvenient to use, and cannot be used for a long time, which increases the cost of using the device and reduces the work efficiency of the staff.

[0011] In conclusion, considering the shortcomings of existing wastewater treatment devices, it is essential to propose a new wastewater treatment device with multi-stage filtration capabilities. Utility Model Content

[0012] This invention addresses the shortcomings of existing technologies by providing a wastewater treatment device with multi-stage filtration, effectively solving the problems mentioned in the background art.

[0013] To solve the above problems, the technical solution adopted by this utility model is as follows: a sewage treatment device with multi-stage filtration function, including a tank and a top cover for sealing the tank, and a mounting frame detachably installed inside the tank, on which a filter assembly is installed; a support frame installed on the outer surface of the tank; a transmission mechanism installed on the top of the top cover; a crushing assembly installed on the top cover, driven by the transmission mechanism, for crushing larger particles present in the sewage; a cleaning assembly installed on the top cover, driven by the transmission mechanism, for cleaning pollutants attached to the filter assembly; a drain pipe installed at the bottom of the tank; and a cleaning mechanism installed on the outer surface of the tank for cleaning the filter assembly after filtration.

[0014] Preferably, the surfaces of the tank body and the top cover opposite each other are respectively provided with protruding edges, and the two protruding edges are fixed in position by bolts. A water inlet pipe is installed on the top of the top cover.

[0015] Preferably, the tank body is equipped with an installation platform, and multiple installation slots are evenly provided on the installation platform. Multiple installation blocks that are adapted to the installation slots are evenly distributed on the bottom of the installation frame.

[0016] Preferably, the mounting frame has two grooves at the top and bottom ends of its outer surface, and a sealing ring is installed inside the groove. Multiple filter plates are installed on the mounting frame from top to bottom.

[0017] Preferably, the cleaning mechanism comprises a water pump and a cleaning water pipe connected to the output end of the water pump, a plurality of branch pipes are connected to the cleaning water pipe, the branch pipes penetrate through the outer surface of one side of the mounting frame and the outer surface of the other side of the tank body, a plurality of sewage holes are formed in the outer surface of the other side of the tank body, the sewage holes penetrate through the outer surface of one side of the mounting frame, and a sewage pipe is mounted on the inner wall of the sewage hole.

[0018] Preferably, the transmission mechanism comprises a motor, a driving gear is mounted at the output end of the motor, two driven gears are respectively meshed with the two sides of the outer surface of the driving gear, and the driving gear and the driven gears are respectively rotatably connected to the top of the top cover.

[0019] Preferably, a driven shaft penetrating through the top cover is fixedly connected to the center position of the bottom end of each of the two driven gears, and a plurality of crushing blades are uniformly fixedly connected to the outer surface of the driven shaft.

[0020] Preferably, a driving shaft is fixedly connected to the center position of the bottom end of the driving gear, at least one cleaning blade is uniformly fixedly connected to the outer surface of the driving shaft, the bottom end of the cleaning blade is in contact with the top surface of the filter plate, and a scraper plate in contact with the inner wall of the tank body is mounted at the bottom of the driving shaft.

[0021] The utility model discloses novel structure, clever idea, simple and convenient operation has the following advantages compared with prior art:

[0022] 1、The utility model discloses a multi-stage filtering function is realized through a plurality of filter plates on the mounting frame, and various size particles and impurities in sewage can be effectively removed to improve the precision and effect of sewage treatment.

[0023] 2、The purpose that the larger particles in sewage are crushed is achieved through the setting of the crushing assembly, the smooth progress of the filtering process is ensured, and the efficiency of subsequent filtering is also improved.

[0024] 3、The mounting frame of the device is detachably installed in the tank body, so that the filtering assembly can be conveniently maintained, replaced and cleaned, and when the filter plate is blocked or damaged, the mounting frame can be quickly disassembled for processing, thereby reducing the maintenance cost and difficulty.

[0025] 4、The filtering assembly can be cleaned after filtering through the setting of the cleaning mechanism, the pollutants attached to the filter plate are removed, the stability and continuity of the filtering efficiency are ensured, and the operability of the cleaning mechanism is simple and convenient, thereby improving the maintainability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a perspective view of a sewage treatment device with multi-stage filtering function.

[0027] Figure 2This is a schematic diagram of the assembly structure of a wastewater treatment device with multi-stage filtration function according to the present invention.

[0028] Figure 3 This is a schematic diagram of the transmission mechanism of a wastewater treatment device with multi-stage filtration function according to the present invention.

[0029] Figure 4 This is a schematic diagram of the tank structure of a wastewater treatment device with multi-stage filtration function according to the present invention.

[0030] Figure 5 This is a schematic diagram of the mounting frame structure of a sewage treatment device with multi-stage filtration function according to the present invention.

[0031] 1-Tank body, 101-Mounting platform, 102-Mounting groove, 2-Support frame, 3-Top cover, 4-Transmission mechanism, 401-Motor, 402-Driving gear, 403-Driven gear, 5-Cleaning mechanism, 501-Water pump, 502-Cleaning water pipe, 6-Drain pipe, 7-Water inlet pipe, 8-Mounting frame, 801-Sealing ring, 802-Filter plate, 9-Grinding assembly, 901-Driven shaft, 902-Grinding blade, 10-Cleaning assembly, 1001-Driving shaft, 1002-Cleaning blade, 1003-Scraper, 11-Drain pipe, 12-Mounting block. Detailed Implementation

[0032] The following are specific embodiments of the present invention, and the technical solution of the present invention will be further described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0033] like Figures 1-5 As shown, this utility model provides a sewage treatment device with multi-stage filtration function, including a tank 1 and a top cover 3 for sealing the tank 1, as well as a mounting frame 8, which is detachably installed inside the tank 1 and on which a filter assembly is mounted; a support frame 2, which is installed on the outer surface of the tank 1; a transmission mechanism 4, installed on the top of the top cover 3; a crushing assembly 9, installed on the top cover 3, driven by the transmission mechanism 4, for crushing larger particles in the sewage; a cleaning assembly 10, installed on the top cover 3, driven by the transmission mechanism 4, for cleaning pollutants attached to the filter assembly; a drain pipe 6, installed at the bottom of the tank 1; and a cleaning mechanism 5, installed on the outer surface of the tank 1, for cleaning the filter assembly after filtration.

[0034] The surfaces of the tank body 1 and the top cover 3 opposite to each other are respectively equipped with protruding edges, and the two protruding edges are fixed in position by bolts. A water inlet pipe 7 is installed on the top of the top cover 3.

[0035] The inside of the tank body 1 is provided with a mounting table 101, a plurality of mounting grooves 102 are uniformly arranged on the mounting table 101, and the bottom of the mounting frame 8 is uniformly provided with a plurality of mounting blocks 12 matched with the mounting grooves 102.

[0036] Two grooves are arranged at the upper and lower ends of the outer surface of the mounting frame 8, sealing rings 801 are arranged in the grooves, and a plurality of filter plates 8 are arranged on the mounting frame 8 from top to bottom.

[0037] The working principle of the filter assembly is that sealing rings are arranged in the grooves at the upper and lower ends of the outer surface of the mounting frame 8 to enhance the sealing performance, sewage enters the tank body 1 from the water inlet pipe 7, and then passes through the crushing assembly 9 to crush large particles in the sewage. Then the sewage flows through a plurality of filter plates 802 on the mounting frame 8, different filter plates 802 have different filtering accuracies, multi-stage filtering is realized, impurities and other pollutants in the sewage are gradually removed, and the filtered water is discharged through the drain pipe.

[0038] The cleaning mechanism 5 comprises a water pump 501 and a cleaning water pipe 502 connected to the output end of the water pump 501, a plurality of branch pipes are connected to the cleaning water pipe 502, the branch pipes penetrate the outer surface of one side of the tank body 1 and the mounting frame 8, a plurality of sewage discharge holes are arranged on the outer surface of the other side of the tank body 1, the sewage discharge holes penetrate the outer surface of one side of the mounting frame 8, and a sewage discharge pipe 11 is arranged on the inner wall of the sewage discharge hole.

[0039] The working principle of the cleaning mechanism 5 is that when the filter assembly needs to be cleaned, the water pump 501 is started. The water pump 501 draws water from an external water source and pressurizes the water, and then delivers the water flow through the cleaning water pipe 502. The cleaning water pipe is connected to a plurality of branch pipes, the branch pipes penetrate the outer surface of one side of the tank body and the mounting frame, the water flow enters the area between the mounting frame 8 and the tank body 1 through the branch pipes, and since a plurality of filter plates 802 are arranged on the mounting frame 8, the water flow can wash the filter plates 802. During the washing process, the water flow can wash away the pollutants attached to the filter plates 802, at the same time, a plurality of sewage discharge holes are arranged on the outer surface of the other side of the tank body 1, the sewage discharge holes penetrate the outer surface of the other side of the mounting frame, and a sewage discharge pipe is arranged on the inner wall of the sewage discharge hole. The pollutants washed away by the water flow enter the sewage discharge pipe through the sewage discharge hole, and are then discharged out of the tank body 1.

[0040] The transmission mechanism 4 comprises a motor 401, a driving gear 402 is arranged on the output end of the motor 401, two driven gears 403 are arranged on the two sides of the outer surface of the driving gear 402, and the driving gear 402 and the driven gears 403 are rotatably connected to the top of the top cover 3.

[0041] Two driven shafts 901 penetrating the top cover 3 are fixedly connected to the central positions of the bottom ends of the two driven gears 403, and a plurality of crushing blades 902 are fixedly connected to the outer surfaces of the driven shafts 901.

[0042] The working principle of the crushing assembly 9 is that the motor 401 in the transmission mechanism 4 is started to drive the driving gear 402 to rotate, the driven gears 403 meshed on both sides of the driving gear 402 rotate, the driven shaft 901 fixed at the bottom end center position of the driven gears 403 rotates, and the crushing blades on the outer surface of the driven shaft 901 crush the larger particles in the sewage to prevent the larger particles from blocking the subsequent filtering assembly.

[0043] The bottom end center position of the driving gear 402 is fixedly connected with a driving shaft 1001, the outer surface of the driving shaft 1001 is uniformly fixedly connected with at least one cleaning blade 1002, the bottom end of the cleaning blade 1002 is in contact with the top surface of the filter plate 802, and the bottom of the driving shaft 1001 is provided with a scraper 1003 in contact with the inner wall of the tank body 1.

[0044] The working principle of the cleaning assembly 10 is that the motor 401 drives the driving shaft 1001 fixed at the bottom end center position of the driving gear 402 to rotate, the cleaning blade on the outer surface of the driving shaft 1001 cleans the pollutants attached to the filter plate 802, and the scraper at the bottom of the driving shaft 1001 cleans the inner wall of the tank body to prevent the pollutants from accumulating on the inner wall of the tank body.

[0045] When the user uses it, first, the sewage is poured into the tank body through the water inlet pipe 7 at the top of the top cover 3.

[0046] Then the motor 401 in the transmission mechanism 4 starts, drives the driving gear 402 to rotate, the driven gear 403 meshed on both sides of the driving gear 402 rotates, the driven shaft 901 fixed at the bottom center of the driven gear 403 rotates, the crushing blades 902 on the outer surface of the driven shaft 901 crush the larger particles in the sewage, prevent the larger particles from blocking the subsequent filter assembly, the sewage processed by the crushing assembly 9 flows through the filter assembly on the mounting frame 8, the mounting frame is detachably mounted in the tank body, the mounting frame 8 is provided with a plurality of filter plates 802 from top to bottom, different filter plates 802 have different filtering accuracy, the sewage is filtered in multiple stages, and the impurities and pollutants in the sewage are gradually removed, while the sewage is filtered, the driving shaft 1001 fixed at the bottom center of the driving gear 402 rotates, the cleaning blades on the outer surface of the driving shaft 1001 clean the pollutants attached to the filter plates, and the filtering rate of the filter assembly is accelerated, the scraper 1003 installed at the bottom of the driving shaft 1001 cleans the inner wall of the tank body 1, prevents the pollutants from accumulating on the inner wall of the tank body, and the water filtered in multiple stages and cleaned is discharged through the drain pipe 6 at the bottom of the tank body 1. When it is necessary to clean the filter assembly, the water pump 501 in the cleaning mechanism starts, the water pump 501 draws and pressurizes water from an external water source, and then the water is delivered to the area between the mounting frame and the tank body through the cleaning water pipe and the connected branch pipe, the water flow washes the filter plates 802, the pollutants attached to the filter plates 802 are washed away, the washed pollutants enter the sewage discharge pipe 11 through the sewage discharge hole opened on the other side of the tank body 1 along with the water flow, and are discharged out of the tank body 1.

[0047] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways instead, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A sewage treatment device with multi-stage filtering function, comprising a tank body (1) and a top cover (3) for sealing the tank body (1), characterized in that: Also include the mounting bracket (8), the mounting bracket (8) is detachably mounted in the tank body (1), the mounting bracket (8) is installed on the filter assembly; support frame (2), support frame (2) is installed on the outer surface of the tank body (1); transmission mechanism (4), is installed on the top of the top cover (3), the crushing assembly (9), is installed on the top cover (3), the crushing assembly (9) is driven by transmission mechanism (4), for crushing the larger particles in the sewage; cleaning assembly (10), the cleaning assembly (10) is installed on the top cover (3), the cleaning assembly (10) is driven by transmission mechanism (4), for cleaning the pollutants attached to the filter assembly; drain pipe (6), is installed on the bottom of the tank body (1); cleaning mechanism (5), is installed on the outer surface of the tank body (1), for cleaning the filter assembly after filtering.

2. The sewage treatment device with multi-stage filtering function according to claim 1, characterized in that: The surface of the opposite end of the tank body (1) and the top cover (3) is respectively provided with a protruding edge, the two protruding edges are fixed in position by bolts, and the top of the top cover (3) is provided with a water inlet pipe (7).

3. The sewage treatment device with multi-stage filtering function according to claim 1, characterized in that: The inside of the tank body (1) is provided with a mounting table (101), a plurality of mounting grooves (102) are uniformly formed in the mounting table (101), and the bottom of the mounting bracket (8) is uniformly provided with a plurality of mounting blocks (12) matched with the mounting grooves (102).

4. The sewage treatment device with multi-stage filtering function according to claim 3, characterized in that: Two grooves are formed in the upper and lower ends of the outer surface of the mounting bracket (8), a sealing ring (801) is mounted in the groove, and a plurality of filter plates (8) are mounted on the mounting bracket (8) from top to bottom.

5. The sewage treatment device with multi-stage filtering function according to claim 1, characterized in that: The cleaning mechanism (5) comprises a water pump (501) and a cleaning water pipe (502) connected to the output end of the water pump (501), a plurality of branch pipes are connected to the cleaning water pipe (502), the branch pipes penetrate the outer surface of one side of the tank body (1) and the mounting bracket (8), a plurality of sewage discharge holes are formed in the outer surface of the other side of the tank body (1), the sewage discharge holes penetrate the outer surface of one side of the mounting bracket (8), and a sewage discharge pipe (11) is mounted on the inner wall of the sewage discharge hole.

6. The sewage treatment device with multi-stage filtering function according to claim 1, characterized in that: The transmission mechanism (4) comprises a motor (401), a driving gear (402) is mounted at the output end of the motor (401), driving gears (403) are respectively meshed on the two sides of the outer surface of the driving gear (402), and the driving gear (402) and the driving gears (403) are respectively rotatably connected to the top of the top cover (3).

7. The sewage treatment device with multi-stage filtering function according to claim 6, characterized in that: The center positions of the bottom ends of the two driving gears (403) are respectively fixedly connected with driving shafts (901) penetrating the top cover (3), and the outer surfaces of the driving shafts (901) are uniformly fixedly connected with crushing blades (902).

8. The sewage treatment device with multi-stage filtering function according to claim 6, characterized in that: The center position of the bottom end of the driving gear (402) is fixedly connected with a driving shaft (1001), at least one cleaning blade (1002) is uniformly fixedly connected to the outer surface of the driving shaft (1001), the bottom end of the cleaning blade (1002) is in contact with the top surface of the filter plate (802), and a scraper (1003) in contact with the inner wall of the tank body (1) is mounted at the bottom of the driving shaft (1001).

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