Primary filtering device for waste liquid treatment

By designing a cleaning mechanism that combines a slider, connecting rod, motor, and suction pipe, the problem of clogging and difficulty in cleaning traditional primary filtration devices is solved, achieving automated cleaning and efficient filtration of the filter screen, and improving the stability and efficiency of the system.

CN223517025UActive Publication Date: 2025-11-07CHUZHOU DAYOU INSTR EQUIP CO LTD
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Patent Information

Application Number
CN202422805900.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-11-07
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

Traditional primary filtration devices for waste liquid treatment are prone to accumulating impurities during long-term use, leading to filter clogging, reduced filtration efficiency, and difficulty in cleaning, which increases maintenance costs and time and affects system stability.

Method used

A primary filtration device including a filtration mechanism and a cleaning mechanism was designed. Through the cooperation of a slider, connecting rod, motor and suction pipe, the suction head can rotate and reciprocate in all directions inside the filter cartridge. Combined with negative pressure cleaning and pressure sensor to automatically detect blockage, wear-resistant materials are used to ensure the durability of the equipment.

Benefits of technology

It achieves efficient and automatic cleaning of the filter screen, prevents clogging, improves filtration efficiency, reduces maintenance costs and time requirements, and ensures stable system operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a primary filtering device for waste liquid treatment, and particularly relates to the technical field of waste liquid treatment, the primary filtering device comprises a filtering mechanism, a cleaning mechanism is fixedly mounted on one side of the filtering mechanism, the filtering mechanism comprises a fine filtering cylinder and a mounting shell, and a second partition plate is fixedly mounted on one side of the fine filtering cylinder; a drain outlet is formed in the top of the mounting shell, and is formed in one side, far away from the fine filter cylinder, of the second partition plate. According to the primary filtering device for waste liquid treatment, a reciprocating displacement mechanism is formed through cooperation of the arranged mounting frame, the sliding block, the second connecting rod and the first motor, and through cooperation of a sliding sleeve and a clamping sleeve, rotation of a sewage pumping pipe is not affected when the sliding sleeve can push the sewage pumping pipe to do linear reciprocating motion; through the cooperation between a cross shaft and a connecting shaft, a second motor can move back and forth while enabling a sewage pumping pipe to rotate, and through the cooperation, a plurality of sewage pumping heads rotate around the inner wall of the fine filter cylinder for cleaning while moving back and forth in the fine filter cylinder in a reciprocating manner.
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Description

TECHNICAL FIELD

[0001] The utility model relates to waste liquid treatment technical field, concretely is a primary filter device for waste liquid treatment. BACKGROUND

[0002] Waste liquid treatment refers to the process of purifying and converting liquid waste containing harmful substances generated in industrial, medical or other activities through physical, chemical or biological methods, aiming to remove toxic and harmful components, reaching safe discharge standards or realizing resource recycling, thereby protecting the environment and human health. This process may include sedimentation, filtration, neutralization, oxidation-reduction, biodegradation and other technical means.

[0003] The primary filter device for waste liquid treatment is a preliminary purification equipment for removing larger particulate impurities and suspended solids in waste liquid, usually using screen mesh, grating or sand filter and other physical methods to effectively intercept solid waste and large particle pollutants, providing a clean basis for subsequent more delicate processing steps, suitable for various waste liquid treatment scenes such as industrial wastewater and domestic sewage, helping to improve overall processing efficiency and protect subsequent processing equipment.

[0004] The filter screen in the primary filter device for waste liquid treatment is prone to accumulate a large amount of impurities and pollutants during long-term use. These deposits not only block the filter screen pores, reducing the filtration efficiency, but also make the filter screen surface very difficult to clean. Traditional cleaning methods such as high-pressure water flushing or manual brushing often have limited effect, and are time-consuming and labor-intensive. In addition, frequent cleaning process may cause wear and tear to the filter screen, shortening its service life. This difficult-to-clean problem not only increases maintenance cost and time, but also may cause system instability, affecting the efficiency and reliability of the entire waste liquid treatment process. SUMMARY

[0005] The utility model aims to provide a primary filter device for waste liquid treatment to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a primary filter device for waste liquid treatment, comprising a filter mechanism, a cleaning mechanism is fixedly installed on one side of the filter mechanism, the filter mechanism comprises a fine filter cartridge and a mounting shell, a second partition plate is fixedly installed on one side of the fine filter cartridge, a blowdown port is opened at the top of the mounting shell, the blowdown port is arranged on the side of the second partition plate away from the fine filter cartridge, the cleaning mechanism comprises a mounting bracket, a first motor is fixedly installed on one side of the mounting bracket, a second connecting rod is fixedly connected on one side of the output shaft of the first motor through a shaft coupling, a first connecting rod is rotatably installed on one side of the second connecting rod, a sliding block is rotatably installed on one side of the first connecting rod, the sliding block is slidingly installed in the inside of the mounting bracket, a sliding sleeve is fixedly installed at the bottom of the sliding block;

[0007] A second motor is fixedly mounted on one side of the mounting frame. A cross shaft is fixedly connected to one side of the output shaft of the second motor via a coupling. A connecting shaft is slidably mounted on one side of the cross shaft. A sludge suction pipe is fixedly mounted on one side of the connecting shaft. Two sets of clamps are fixedly mounted on the outer wall of the sludge suction pipe. The sliding sleeve is rotatably mounted on the outer wall of the sludge suction pipe. The two sets of clamps are respectively located on the left and right sides of the sliding sleeve. Several sludge suction heads are fixedly mounted on the outer wall of the sludge suction pipe. The sludge suction pipe is rotatably mounted inside the mounting shell. Several sludge suction heads are located inside the fine filter cartridge. A sludge discharge hole is opened on one side of the mounting frame. The sludge discharge hole is located on the side of the second partition away from the fine filter cartridge.

[0008] Preferably, a brush is fixedly installed at the end of the suction head away from the suction pipe.

[0009] Preferably, pressure sensors are fixedly installed on both the inner wall of the mounting housing and the outer wall of the sewage suction pipe.

[0010] Preferably, both the cross shaft and the connecting shaft are made of tungsten-cobalt alloy.

[0011] Preferably, a first partition is fixedly installed on the side of the fine filter cartridge away from the second partition, a coarse filter cartridge is fixedly installed on the side of the first partition away from the fine filter cartridge, an inlet is fixedly installed at the bottom of the mounting shell, and an outlet is fixedly installed at the bottom of the mounting shell. The inlet is located at the bottom of the coarse filter cartridge, and the outlet is located at the bottom of the fine filter cartridge.

[0012] Preferably, a cleaning cover is threaded onto one side of the mounting housing.

[0013] Preferably, the inner wall of the mounting housing is provided with an enamel coating.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the primary filtration device for waste liquid treatment;

[0015] 1. A reset and shift mechanism is formed by the cooperation between the mounting bracket, slider, first connecting rod, second connecting rod, and first motor. The cooperation between the sliding sleeve and the clamping sleeve allows the sliding sleeve to push the suction pipe in a linear reciprocating motion without affecting the rotation of the suction pipe. The cooperation between the cross shaft and the connecting shaft allows the second motor to move back and forth while rotating the suction pipe. Through the above cooperation, several suction heads move back and forth inside the fine filter cartridge while rotating around the inner wall of the fine filter cartridge. The suction head is connected to the sewage pump through the sewage outlet. Through the cooperation between the second partition and the sewage outlet, a negative pressure is generated at one end of the suction head to clean the inner wall of the fine filter cartridge in all directions.

[0016] 2. By setting the first partition and the second partition from left to right, the installation shell is divided into the rough filtration area, the fine filtration area and the pollution discharge area, the rough filtration through the water inlet into the rough filtration area and the primary filtration completed by the inner wall of the fine filtration cylinder from the liquid outlet are cancelled, and the coarse filter cylinder is set in the upstream of the fine filter cylinder to prevent the large particles from blocking the cleaning mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the utility model;

[0018] Figure 2 It is a sectional view of the utility model;

[0019] Figure 3 It is a structure schematic view of the cleaning mechanism of the utility model;

[0020] Figure 4 It is a structure schematic view of the filtering mechanism of the utility model.

[0021] In the drawing: 1, filtering mechanism; 101, installation shell; 102, water inlet; 103, first partition; 104, rough filter cylinder; 105, fine filter cylinder; 106, liquid outlet; 107, second partition; 108, pollution discharge port; 109, cleaning cover; 110, enamel coating; 2, cleaning mechanism; 201, mounting frame; 202, sliding block; 203, first connecting rod; 204, second connecting rod; 205, first motor; 206, sliding sleeve; 207, second motor; 208, cross shaft; 209, connecting shaft; 210, pollution suction pipe; 211, clamping sleeve; 212, pollution suction head; 213, pollution discharge hole; 214, brush; 3, pressure sensor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-3The utility model provides a technical scheme: a primary filter device for waste liquid treatment, including filter mechanism 1, the one side fixed mounting of filter mechanism 1 has cleaning mechanism 2, filter mechanism 1 includes fine filter cartridge 105 and installation shell 101, the one side fixed mounting of fine filter cartridge 105 has second baffle 107, the top of installation shell 101 is equipped with blowdown 108, blowdown 108 is arranged at the one side of second baffle 107 away from fine filter cartridge 105, cleaning mechanism 2 includes mounting bracket 201, the one side fixed mounting of mounting bracket 201 has first motor 205, the one side of first motor 205 output shaft is connected with second connecting rod 204 through coupling and is fixed, the one side of second connecting rod 204 is rotatably installed with first connecting rod 203, the one side of first connecting rod 203 is rotatably installed with sliding block 202, sliding block 202 is slidably installed in the inside of mounting bracket 201, the bottom of sliding block 202 is fixedly installed with sliding sleeve 206, the one side fixed mounting of mounting bracket 201 has second motor 207, the one side of second motor 207 output shaft is connected with cross axle 208 through coupling and is fixed, the one side of cross axle 208 is slidably installed with connecting shaft 209, the one side fixed mounting of connecting shaft 209 has pumping out pipe 210, the outer wall fixed mounting of pumping out pipe 210 has two groups of clamping sleeves 211, sliding sleeve 206 rotatably installs in the outer wall of pumping out pipe 210, two groups of clamping sleeves 211 are arranged at the left and right sides of sliding sleeve 206, the outer wall fixed mounting of pumping out pipe 210 has several pumping out heads 212, pumping out pipe 210 rotatably installs in the inside of installation shell 101, several pumping out heads 212 are arranged in the inside of fine filter cartridge 105, the one side of mounting bracket 201 is equipped with blowdown hole 213, blowdown hole 213 is arranged at the one side of second baffle 107 away from fine filter cartridge 105, the one end fixed mounting of pumping out head 212 away from pumping out pipe 210 has brush 214, improves the cleaning performance of pumping out head 212 through brush 214, the inner wall and the outer wall of pumping out pipe 210 of installation shell 101 are fixedly installed with pressure sensor 3, and the inside and outside pressure difference of fine filter cartridge 105 is tested through pressure sensor 3 to judge the jam condition of fine filter cartridge 105, and automatic starting cleaning mechanism 2 cleans fine filter cartridge 105, cross axle 208 and connecting shaft 209 are made of tungsten cobalt alloy, and the cross axle 208 and connecting shaft 209 made of tungsten cobalt alloy ensure that the wear resistance reduces the failure rate.

[0024] The embodiment is specific: the reset displacement mechanism is formed by the cooperation between the mounting frame 201, the sliding block 202, the first connecting rod 203, the second connecting rod 204 and the first motor 205, the cooperation between the sliding sleeve 206 and the clamping sleeve 211 enables the sliding sleeve 206 to push the sewage pipe 210 to move linearly without affecting the rotation of the sewage pipe 210, the cooperation between the cross shaft 208 and the connecting shaft 209 enables the second motor 207 to displace forward and backward while rotating the sewage pipe 210, and the cooperation enables the plurality of sewage heads 212 to displace forward and backward in the fine filter cylinder 105 while rotating around the inner wall of the fine filter cylinder 105, and the sewage pump is connected through the sewage outlet 108, and the cooperation between the second partition plate 107 and the sewage hole 213 generates negative pressure at one end of the sewage head 212 to clean the inner wall of the fine filter cylinder 105 in all directions.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme: a primary filtering device for waste liquid treatment, the first partition plate 103 is fixedly installed on the side of the fine filter cylinder 105 away from the second partition plate 107, the coarse filter cylinder 104 is fixedly installed on the side of the first partition plate 103 away from the fine filter cylinder 105, the water inlet 102 is fixedly installed at the bottom of the installation shell 101, the liquid outlet 106 is fixedly installed at the bottom of the installation shell 101, the water inlet 102 is arranged at the bottom of the coarse filter cylinder 104, the liquid outlet 106 is arranged at the bottom of the fine filter cylinder 105, the cleaning cover 109 is screw-connected on one side of the installation shell 101, the cleaning cover 109 facilitates the staff to clean the blockage on the surface of the coarse filter cylinder 104, the inner wall of the installation shell 101 is provided with the enamel coating 110, and the enamel coating 110 provides excellent corrosion resistance and prevents water from directly contacting metal.

[0026] The embodiment is specific: the first partition plate 103 and the second partition plate 107 are arranged from left to right as Figure 4 The installation shell 101 is divided into a coarse filtering area, a fine filtering area and a sewage area, the water entering the coarse filtering area through the water inlet 102 is coarsely filtered through the coarse filter cylinder 104, and the primary filtering is completed on the inner wall of the fine filter cylinder 105 and is discharged from the liquid outlet 106, and the coarse filter cylinder 104 is arranged on the upstream of the fine filter cylinder 105 to prevent large particles from blocking the cleaning mechanism 2.

[0027] Working principle: when using the waste liquid treatment primary filter device, through the cooperation between the mounting frame 201, the sliding block 202, the first connecting rod 203, the second connecting rod 204 and the first motor 205, a reset displacement mechanism is formed, through the cooperation between the sliding sleeve 206 and the clamping sleeve 211, the sliding sleeve 206 can push the suction pipe 210 to move linearly without affecting the rotation of the suction pipe 210, through the cooperation between the cross shaft 208 and the connecting shaft 209, the second motor 207 can be displaced forward and backward while rotating the suction pipe 210, through the above cooperation, the plurality of suction heads 212 can be displaced forward and backward inside the fine filter cylinder 105 while rotating around the inner wall of the fine filter cylinder 105, and through the cooperation between the second partition plate 107 and the blowhole 213, negative pressure is generated at one end of the suction head 212 to clean the inner wall of the fine filter cylinder 105 in all directions;

[0028] The brush 214 improves the cleaning performance of the suction head 212, the pressure sensor 3 tests the pressure difference between the inside and outside of the fine filter cylinder 105 to determine the blockage of the fine filter cylinder 105, and the cleaning mechanism 2 is automatically started to clean the fine filter cylinder 105, the cross shaft 208 and the connecting shaft 209 made of tungsten-cobalt alloy ensure the wear resistance and reduce the failure rate;

[0029] Through the first partition plate 103 and the second partition plate 107 from left to right Figure 4 The mounting shell 101 is divided into a coarse filtration area, a fine filtration area and a blowdown area, the water inlet 102 is abandoned to enter the coarse filtration area, pass through the coarse filter cylinder 104, enter the inner wall of the fine filter cylinder 105, complete primary filtration, and be discharged from the liquid outlet 106, the coarse filter cylinder 104 is arranged upstream of the fine filter cylinder 105 to prevent large particles from blocking the cleaning mechanism 2;

[0030] The cleaning cover 109 facilitates the staff to clean the blockage on the surface of the coarse filter cylinder 104, and the enamel coating 110 provides excellent corrosion resistance to prevent direct contact between water and metal.

[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A primary filtration device for waste liquid treatment, comprising a filtration mechanism (1), wherein a cleaning mechanism (2) is fixedly installed on one side of the filtration mechanism (1), the filtration mechanism (1) comprising a fine filter cartridge (105) and a mounting shell (101), wherein a second partition plate (107) is fixedly installed on one side of the fine filter cartridge (105), and a drain port (108) is provided at the top of the mounting shell (101), wherein the drain port (108) is located on the side of the second partition plate (107) away from the fine filter cartridge (105), characterized in that: The cleaning mechanism (2) includes a mounting frame (201), one side of the mounting frame (201) is fixedly installed with a first motor (205), the output shaft of the first motor (205) is fixedly connected with a second connecting rod (204) through a shaft coupling, one side of the second connecting rod (204) is rotatably installed with a first connecting rod (203), one side of the first connecting rod (203) is rotatably installed with a sliding block (202), the sliding block (202) is slidably installed in the mounting frame (201), and the bottom of the sliding block (202) is fixedly installed with a sliding sleeve (206). One side of the mounting frame (201) is fixedly installed with a second motor (207), the output shaft of the second motor (207) is fixedly connected with a cross shaft (208) through a shaft coupling, one side of the cross shaft (208) is slidably installed with a connecting shaft (209), one side of the connecting shaft (209) is fixedly installed with a suction pipe (210), the outer wall of the suction pipe (210) is fixedly installed with two groups of clamping sleeves (211), the sliding sleeve (206) is rotatably installed on the outer wall of the suction pipe (210), two groups of clamping sleeves (211) are arranged on the left and right sides of the sliding sleeve (206), the outer wall of the suction pipe (210) is fixedly installed with a plurality of suction heads (212), the suction pipe (210) is rotatably installed in the mounting shell (101), and a plurality of suction heads (212) are arranged in the fine filter cartridge (105). The mounting frame (201) is provided with a sewage discharge hole (213) on one side, and the sewage discharge hole (213) is arranged on the side of the second partition plate (107) away from the fine filter cartridge (105).

2. The primary filter device for waste liquid treatment according to claim 1, characterized in that, The suction head (212) is fixedly installed with a brush (214) away from the suction pipe (210).

3. The primary filter device for waste liquid treatment according to claim 1, characterized in that, The inner wall of the mounting shell (101) and the outer wall of the suction pipe (210) are both fixedly installed with a pressure sensor (3).

4. The primary filter device for waste liquid treatment according to claim 1, wherein The cross shaft (208) and the connecting shaft (209) are both made of tungsten-cobalt alloy.

5. The primary filter device for waste liquid treatment according to claim 1, wherein The fine filter cartridge (105) is fixedly installed with a first partition plate (103) away from the second partition plate (107), the first partition plate (103) is fixedly installed with a coarse filter cartridge (104) away from the fine filter cartridge (105), the bottom of the mounting shell (101) is fixedly installed with a water inlet (102), the bottom of the mounting shell (101) is fixedly installed with a liquid outlet (106), the water inlet (102) is arranged at the bottom of the coarse filter cartridge (104), and the liquid outlet (106) is arranged at the bottom of the fine filter cartridge (105).

6. The primary filter device for waste liquid treatment according to claim 1, wherein One side of the mounting shell (101) is threadedly connected with a cleaning cover (109).

7. The primary filter device for waste liquid treatment according to claim 1, characterized in that, The inner wall of the mounting shell (101) is provided with an enamel coating (110).