Horizontal sewage filtration system

Abstract

The utility model discloses a horizontal sewage filtering system, including filter shell and cleaning mechanism, filter shell: its upper end is equipped with end cover, the inside middle of filter shell is equipped with filter screen, cleaning mechanism: it includes spacing ring, wave groove, scraper, limit ball no.

Description

Technical Field

[0001] This utility model relates to the field of wastewater filtration technology, specifically a horizontal wastewater filtration system. Background Technology

[0002] Wastewater refers to the total amount of water discharged during production and daily life activities. It typically contains various harmful substances, such as organic matter, inorganic matter, and microorganisms, and has lost its original function. Wastewater consists of domestic sewage and industrial wastewater. Industrial wastewater further comprises production wastewater and cooling water. To reduce production costs, industrial wastewater is often reused. Because industrial wastewater contains raw materials, intermediate products, by-products, and pollutants generated during production, it needs to be filtered during recycling. This requires a horizontal wastewater filtration system. Existing horizontal wastewater filtration systems often use a cylindrical pressure vessel. Wastewater enters through the inlet and flows through internal filter screens, filter cartridges, or filter media layers. Suspended solids, particulate impurities, and some colloidal pollutants are retained through physical interception, adsorption, or sieving. The purified water is discharged from the outlet. When the filter media becomes clogged, it is automatically drained. To restore filtration efficiency, filter media can be cleaned, backwashed, or replaced. Self-cleaning filters utilize a rotating scraper with blades inside the media to clean it, preventing clogging. Backwashing involves closing the inlet and opening the outlet to change the water flow direction, flushing out contaminants adhering to the inner walls. Traditional horizontal wastewater filtration systems often leave contaminants on the filter media surface during backwashing, leading to clogging over time. To reduce maintenance, a combination of self-cleaning and backwashing is often used. However, the scraper with blades used for self-cleaning rotates only in one direction, resulting in a monotonous cleaning trajectory and poor cleaning effect. This necessitates prolonged cleaning, leading to low wastewater filtration efficiency. Therefore, we propose a horizontal wastewater filtration system. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a horizontal sewage filtration system with a cleaning mechanism. The scraper can be moved up and down while rotating by the squeezing of the corrugated groove. With the limiting ball one and the limiting ball two, the cleaning position of each set of scrapers in the same direction is different, which can quickly and efficiently clean the filter screen, thereby improving the sewage filtration efficiency and effectively solving the problems in the background technology.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a horizontal sewage filtration system, comprising a filter housing and a cleaning mechanism; Filter housing: It has an end cap at the top and a filter screen in the middle of the interior of the filter housing; Cleaning mechanism: It includes limiting rings, corrugated grooves, scrapers, limiting ball one, and limiting ball two. The limiting rings are respectively set at the upper and lower ends of the filter screen. The upper end of the upper limiting ring is attached to the lower end of the end cap, and the lower end of the lower limiting ring is attached to the bottom wall of the end cap. The corrugated grooves are all opened inside the limiting rings. The filter screen is equipped with movable scrapers. Limiting ball one is set at the upper end of two longitudinally adjacent scrapers, and limiting ball two is set at the lower end of two laterally adjacent scrapers. The outer surfaces of limiting ball one and limiting ball two are slidably connected to the inner wall of the laterally adjacent corrugated grooves, providing a basis for cleaning the inner wall of the filter screen. The cleaning mechanism allows the scrapers to move up and down while rotating due to the squeezing of the corrugated grooves. With the limiting of limiting ball one and limiting ball two, the cleaning position of each set of scrapers in the same direction is different, which can quickly and efficiently clean the filter screen, thereby improving the filtration efficiency of sewage.

[0005] Furthermore, the cleaning mechanism also includes scrapers, which are all located on the outer end of the scraper. The outer surface of the scrapers is in contact with the inner wall of the filter screen. The scrapers are distributed in an inclined state, and the scrapers on two adjacent scrapers are inclined in opposite directions, which can clean the inner wall of the filter screen more efficiently.

[0006] Furthermore, the cleaning mechanism also includes a drive assembly, which includes a mounting frame and a limiting block. The mounting frame is rotatably connected to the inside of the filter housing. Each inner end of the scraper is provided with a limiting sleeve, the inner wall of which is slidably connected to the outer surface of the mounting frame. The outer surface of the mounting frame is provided with evenly distributed limiting grooves. Each limiting block is located on the side of the limiting sleeve near the middle of the mounting frame. The outer surface of each limiting block is slidably connected to the inner wall of the vertically adjacent limiting groove, providing limiting and guiding functions for the movement of the scraper.

[0007] Furthermore, the drive assembly also includes a gearbox and a motor. The gearbox is located at the upper end of the end cover, and the motor is located at the upper end of the gearbox. The input end of the motor is electrically connected to the output end of the microcontroller. The lower end of the motor's output shaft is fixedly connected to the upper end of the gearbox's reduction shaft, and the lower end of the gearbox's output shaft is fixedly connected to the upper end of the mounting bracket, providing a stable drive for cleaning the inner wall of the filter screen.

[0008] Furthermore, it also includes a water pressure sensor, which is located on the middle right side of the inner wall of the filter housing. The water pressure sensor is bidirectionally electrically connected to the microcontroller, which can monitor the water pressure inside the equipment at any time to prevent the filter from becoming clogged.

[0009] Furthermore, it also includes an outlet pipe, an inlet pipe, a solenoid valve one, a drain pipe, a solenoid valve one, and a solenoid valve two. The outlet pipe is located at the lower right end of the outer surface of the filter housing, the inlet pipe is located at the middle left end of the upper end of the end cap, the solenoid valve one is located inside the inlet pipe, the drain pipe is located at the middle lower end of the filter housing, and the solenoid valve two is located inside the drain pipe. The input ends of both solenoid valve one and solenoid valve two are electrically connected to the output end of the microcontroller to provide a backwashing effect for the filter screen.

[0010] Furthermore, it also includes a microcontroller, which is located in the middle of the front side of the filter housing. The input terminal of the microcontroller is electrically connected to an external power supply to provide control for the filtration of wastewater.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This horizontal sewage filtration system has the following advantages: The corrugated grooves squeeze and limit balls one and two, causing the corresponding scrapers and scraper strips to move up and down. This allows the scrapers and scraper strips to move up and down while rotating. The symmetrically distributed corrugated grooves, through limiting, allow the two sets of scrapers to have different cleaning positions in the same direction, thus achieving a comprehensive cleaning effect on the inner wall of the filter screen. This enables fast and efficient cleaning of the filter screen, avoiding frequent maintenance and long sewage discharge times due to filter screen clogging, and improving the filtration efficiency of wastewater. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic cross-sectional view of the cleaning mechanism of this utility model; Figure 3 This is a schematic diagram of the scraper structure of this utility model.

[0013] In the diagram: 1. Filter housing, 2. End cap, 3. Filter screen, 4. Cleaning mechanism, 41. Limiting ring, 42. Corrugated groove, 43. Scraper, 44. Limiting ball one, 45. Limiting ball two, 46. Scraper strip, 47. Drive assembly, 471. Mounting bracket, 472. Limiting block, 473. Gearbox, 474. Motor, 5. Water pressure sensor, 6. Outlet pipe, 7. Inlet pipe, 8. Solenoid valve one, 9. Drain pipe, 10. Solenoid valve two, 11. Microcontroller. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1-3 This embodiment provides a technical solution: a horizontal sewage filtration system, including a filter housing 1 and a cleaning mechanism 4; Filter housing 1: It has an end cap 2 at its upper end, which is connected to the filter housing 1 via a flange. A support frame is provided at the lower end of the outer surface of the filter housing 1 for supporting and fixing the equipment. A filter screen 3 is located in the middle of the interior of the filter housing 1. The filter screen 3 is cylindrical. It also includes a water pressure sensor 5, which is located on the middle right side of the inner wall of the filter housing 1. The water pressure sensor 5 is bidirectionally electrically connected to the microcontroller 11, allowing it to monitor the internal water pressure at any time and automatically perform backwashing to prevent clogging of the filter screen 3. It also includes an outlet pipe 6, an inlet pipe 7, a solenoid valve 8, a drain pipe 9, and a solenoid valve 8 and a solenoid... Valve 2 10, water outlet pipe 6 is located at the lower right end of the outer surface of filter housing 1, water inlet pipe 7 is located at the middle left side of the upper end of end cap 2, solenoid valve 1 8 is located inside water inlet pipe 7, sewage pipe 9 is located at the middle lower end of filter housing 1, solenoid valve 2 10 is located inside sewage pipe 9, the input ends of solenoid valve 1 8 and solenoid valve 2 10 are electrically connected to the output end of microcontroller 11 to provide backwashing effect for filter screen 3, and also includes microcontroller 11, microcontroller 11 is located at the middle front side of filter housing 1, the input end of microcontroller 11 is electrically connected to external power supply to provide control effect for sewage filtration; Cleaning mechanism 4 includes a limiting ring 41, a wave groove 42, a scraper 43, a first limiting ball 44, and a second limiting ball 45. The limiting rings 41 are respectively located at the upper and lower ends of the filter screen 3. The upper end of the upper limiting ring 41 is fitted with the lower end of the end cap 2, and the lower end of the lower limiting ring 41 is fitted with the bottom wall of the end cap 2. The wave grooves 42 are all opened inside the limiting rings 41, and the upper and lower wave grooves 42 are symmetrically distributed. The filter screen 3 is equipped with movable scrapers 43. The first limiting ball 44 is located at the upper end of two longitudinally adjacent scrapers 43, and the second limiting ball 45 is located at the lower end of two laterally adjacent scrapers 43. The outer surfaces of the first limiting ball 44 and the second limiting ball 45 are slidably connected to the inner wall of the laterally adjacent wave grooves 42, thus protecting the filter screen 3. The cleaning mechanism 4 provides a foundation for cleaning the inner wall. It also includes scraper blades 46, all located on the outer ends of scraper plates 43. The scraper blades 46 are made of hard silicone rubber, possessing high hardness, high wear resistance, and corrosion resistance. The outer surfaces of the scraper blades 46 are in contact with the inner wall of the filter screen 3. The scraper blades 46 are distributed at an angle, with opposite inclination directions on adjacent scraper plates 43. This allows the inclined scraper blades 46 to perform multiple scraping operations at different angles on the same location on the inner wall of the filter screen 3, resulting in more efficient cleaning. The cleaning mechanism 4 also includes a drive assembly 47, which includes a mounting bracket 471 and a limiting block 472. The mounting bracket 471 is rotatably connected to the inner center of the filter housing 1. Each component is equipped with a limiting sleeve, the inner wall of which is slidably connected to the outer surface of the mounting frame 471. The outer surface of the mounting frame 471 has evenly distributed limiting grooves. Limiting blocks 472 are all located on the side of the limiting sleeve near the middle of the mounting frame 471. The outer surface of each limiting block 472 is slidably connected to the inner wall of the vertically adjacent limiting groove, providing limiting and guiding functions for the movement of the scraper 43. (The drain pipe 9 is connected to the drain port at the middle of the bottom of the filter housing 1, and the bottom of the mounting frame 471 is rotatably connected to the cross-shaped part at the top of the drain port via a bearing.) The drive assembly 47 also includes a reduction gearbox 473 and a motor 474. The reduction gearbox 473 is located at the upper end of the end cover 2, and the motor 474 is located at the upper end of the reduction gearbox 473. The input terminal of the motor 474 is electrically... The output end of the microcontroller 11 is connected to the output end of the motor 474. The lower end of the output shaft of the motor 474 is fixedly connected to the upper end of the reduction shaft of the gearbox 473. The lower end of the output shaft of the gearbox 473 is fixedly connected to the upper end of the mounting bracket 471. A sealed bearing is provided between the outer surface of the mounting bracket 471 and the end cover 2. The sealed bearing provides rotational support for the mounting bracket 471 and also has a sealing effect, providing a stable drive for cleaning the inner wall of the filter screen 3. A cleaning mechanism 4 is provided. The scraper 43 can move up and down while rotating by the squeezing of the wave groove 42. With the limiting of the first limiting ball 44 and the second limiting ball 45, the cleaning position of each set of scrapers 43 is different in the same direction, which can quickly and efficiently clean the filter screen 3, thereby improving the filtration efficiency of sewage.

[0016] The working principle of the horizontal sewage filtration system provided by this utility model is as follows: When using the horizontal sewage filtration system, first install the equipment, connect the outlet pipe 6 to the external clean water pipe, and the external clean water pipe is equipped with an external delivery pump 1, which can deliver filtered water. Connect the inlet pipe 7 to the external sewage pipe, and the external sewage pipe is equipped with an external delivery pump 2, which can deliver sewage. Connect the drain pipe 9 to the external guide pipe for discharging sewage from inside the filter screen 3. When filtering sewage, solenoid valve 1 8 is opened and solenoid valve 2 10 is closed. External delivery pump 1 and external delivery pump 2 work simultaneously. External delivery pump 1 pumps sewage into the filter screen 3 through the inlet pipe 7. The second external pump draws filtered water from inside the filter housing 1. As wastewater passes through the filter screen 3, internal contaminants are blocked by the screen. The filtered water is then drawn out through the outlet pipe 6. After a period of time, a large amount of contaminants accumulate inside the filter screen 3, causing its permeability to decrease and the water pressure inside the filter housing 1 to drop. The water pressure sensor 5 detects this decrease and sends an electrical signal to the microcontroller 7. The microcontroller 7 controls solenoid valves 8 and 10 to operate. Solenoid valve 8 closes, and solenoid valve 10 opens. The first external pump then pumps the filtered water into the filter housing 1. The filtered water passes through the filter screen 3, impacting the contaminants adhering to the inner wall of the screen, thus creating a backwashing effect. Simultaneously... The microcontroller 7 controls the motor 474 to operate. The motor 474 drives the mounting bracket 471 to rotate through the reduction gearbox 473. As the mounting bracket 471 rotates, in conjunction with the limiting of the corrugated groove 42, the scraper 43 and scraper strip 46 move up and down while rotating. The inclined scraper strip 46 can perform multiple scraping operations on the same position. The scraper strip 46 scrapes away the contaminants attached to the inner wall of the filter screen 3. During this process, the corrugated groove 42 is symmetrically distributed, so the moving directions of two horizontally adjacent scrapers 43 and two vertically adjacent scrapers 43 at the same position are opposite. Taking the left side of the inner wall of the filter screen 3 as an example, when one of the two horizontally adjacent scrapers 43 rotates to the left side of the inner wall of the filter screen 3, the scraper 43 moves down. The area on the lower left side of the inner wall of filter screen 3 is scraped by scraper 46, while the area on the upper left side of the inner wall of filter screen 3 is left unscraped by scraper 46, and contaminants remain. When one of the two longitudinally adjacent scrapers 43 rotates to the upper left side of the inner wall of filter screen 3, scraper 43 moves upward and scrapes away the contaminants in the upper left side of the inner wall of filter screen 3. This process is repeated, allowing scraper 43 and scraper 46 to move up and down during rotation, thus achieving a comprehensive cleaning effect on the inner wall of filter screen 3. Backwashing, combined with the rotation of scraper 43 and scraper 46, allows all contaminants on the inner wall and inside of filter screen 3 to be discharged from the equipment through drain pipe 9, enabling fast and efficient cleaning of filter screen 3 and improving the filtration efficiency of wastewater.

[0017] It is worth noting that the microcontroller 11 disclosed in the above embodiments is an STM8S005C6T6TR microcontroller, the motor 474 is a CH400 motor, the water pressure sensor 5 is an RK-PM300 water pressure sensor, and the solenoid valve 8 and solenoid valve 10 are both ZCS solenoid water valves. The microcontroller 11 controls the operation of the motor 474, the water pressure sensor 5, the solenoid valve 8 and the solenoid valve 10 using methods commonly used in the prior art.

[0018] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A horizontal sewage filtration system characterized by: Includes a filter housing (1) and a cleaning mechanism (4); Filter housing (1): It is provided with an end cap (2) at its upper end, and a filter screen (3) is provided in the middle of the interior of the filter housing (1); Cleaning mechanism (4): It includes a limiting ring (41), a wave groove (42), a scraper (43), a limiting ball one (44) and a limiting ball two (45). The limiting ring (41) is respectively set at the upper and lower ends of the filter screen (3). The upper end of the upper limiting ring (41) is attached to the lower end of the end cover (2), and the lower end of the lower limiting ring (41) is attached to the bottom wall of the end cover (2). The wave groove (42) is opened inside the limiting ring (41). The filter screen (3) is provided with a movable scraper (43). The limiting ball one (44) is set at the upper end of two longitudinally adjacent scrapers (43), and the limiting ball two (45) is set at the lower end of two laterally adjacent scrapers (43). The outer surfaces of the limiting ball one (44) and the limiting ball two (45) are slidably connected to the inner wall of the laterally adjacent wave groove (42).

2. A horizontal sewage filtration system as claimed in claim 1, wherein: It also includes a microcontroller (11), which is located in the middle of the front side of the filter housing (1), and the input terminal of the microcontroller (11) is electrically connected to an external power supply.

3. A horizontal wastewater filtration system according to claim 1, characterized in that: The cleaning mechanism (4) also includes scraper strips (46), which are all located on the outer end of the scraper (43). The outer surface of the scraper strips (46) is in contact with the inner wall of the filter screen (3). The scraper strips (46) are distributed in an inclined state, and the inclination directions of the scraper strips (46) on two adjacent scraper (43) are opposite.

4. A horizontal sewage filtration system as claimed in claim 2, wherein: The cleaning mechanism (4) further includes a drive assembly (47), which includes a mounting frame (471) and a limiting block (472). The mounting frame (471) is rotatably connected to the inside of the filter housing (1). The inner end of the scraper (43) is provided with a limiting sleeve. The inner wall of the limiting sleeve is slidably connected to the outer surface of the mounting frame (471). The outer surface of the mounting frame (471) is provided with uniformly distributed limiting grooves. The limiting blocks (472) are all located on the side of the limiting sleeve near the middle of the mounting frame (471). The outer surface of the limiting blocks (472) is slidably connected to the inner wall of the vertically adjacent limiting groove.

5. A horizontal wastewater filtration system according to claim 4, characterized in that: The drive assembly (47) also includes a gearbox (473) and a motor (474). The gearbox (473) is located at the upper end of the end cover (2), and the motor (474) is located at the upper end of the gearbox (473). The input end of the motor (474) is electrically connected to the output end of the microcontroller (11). The lower end of the output shaft of the motor (474) is fixedly connected to the upper end of the gearbox (473). The lower end of the output shaft of the gearbox (473) is fixedly connected to the upper end of the mounting bracket (471).

6. A horizontal sewage filtration system as claimed in claim 2, wherein: It also includes a water pressure sensor (5), which is located on the middle right side of the inner wall of the filter housing (1) and is bidirectionally electrically connected to the microcontroller (11).

7. A horizontal sewage filtration system as claimed in claim 2, wherein: It also includes an outlet pipe (6), an inlet pipe (7), a solenoid valve one (8), a drain pipe (9), and a solenoid valve two (10). The outlet pipe (6) is located on the lower right side of the outer surface of the filter housing (1), the inlet pipe (7) is located on the upper left middle of the end cap (2), the solenoid valve one (8) is located inside the inlet pipe (7), the drain pipe (9) is located on the lower middle of the filter housing (1), and the solenoid valve two (10) is located inside the drain pipe (9). The input ends of the solenoid valve one (8) and the solenoid valve two (10) are electrically connected to the output end of the microcontroller (11).

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