Laboratory sewage treatment device with self-cleaning structure

Abstract

The utility model discloses a laboratory sewage treatment device with a self-cleaning structure, which comprises a sewage treatment box, a cleaning part is obliquely mounted in an inner cavity of the sewage treatment box, two groups of filter screens are symmetrically mounted on two sides of the cleaning part in an inverted splayed shape, the filter screens can be cleaned through scraping parts, and the scraping parts realize distance adjustment through a first driving component. According to the sewage treatment device disclosed by the utility model, the two groups of filter screens are symmetrically arranged in an inverted splayed shape, so that filtered impurities can be gathered towards the material cleaning part, and the two groups of material scraping parts can be driven by the first driving assembly to adjust the distance, so that the sewage treatment device is convenient to use and high in practicability. The second driving assembly can drive the sliding block to move and drive the spraying piece to wash the filter screen, the spraying piece can be connected with a water pump in the prior art, and water can be pumped to wash the filter screen.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a laboratory sewage treatment device with a self-cleaning structure. Background Art

[0002] The core design concept of the laboratory sewage treatment device with self-cleaning structure is to achieve high efficiency, convenience and automation of sewage treatment, while ensuring the safety and environmental protection of the treatment process. The laboratory sewage treatment device is mainly composed of a pretreatment unit, a biological treatment unit, a post-treatment unit and a self-cleaning unit. The units are connected by pipes and valves to form a complete treatment system. The pretreatment unit is responsible for receiving the sewage generated by the laboratory and removing large particle impurities and suspended matter by filtration and sedimentation to protect the normal operation of subsequent treatment units.

[0003] However, general sewage treatment devices require the filter to be removed before the filtered impurities can be cleaned. The cleaning method is inconvenient and the efficiency is relatively low. For this reason, we propose a laboratory sewage treatment device with a self-cleaning structure. Utility Model Content

[0004] The purpose of the utility model is to provide a laboratory sewage treatment device with a self-cleaning structure to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laboratory sewage treatment device with a self-cleaning structure, comprising a sewage treatment box, a cleaning piece is obliquely installed on the inner cavity of the sewage treatment box, two groups of filter screens are symmetrically installed on both sides of the cleaning piece in an inverted eight shape, the filter screens can be cleaned by a scraper, and the scraper can adjust the spacing through a first drive component. The top of the sewage treatment box is connected to a slider through a second drive component, and the slider is equipped with a spraying piece.

[0006] Preferably, the scraper member includes a first scraper, an elastic member and a second scraper, the first scraper is connected to the second scraper through two groups of the elastic members, the first scraper fits the filter, the outer walls on both sides of the sewage treatment tank are located between the first scraper and the second scraper and are provided with a water inlet, and the second scraper is connected to the first drive assembly.

[0007] Preferably, the first driving assembly includes a first sliding rod, a first screw rod and a first motor, and two groups of the second scrapers are penetrated by the first sliding rod and the first screw rod, wherein the first sliding rod is symmetrically arranged in two groups, the first screw rod is threadedly connected to the second scraper, and one end of the first screw rod is connected to the output end of the first motor.

[0008] Preferably, the cleaning component includes a cylinder, an auger and a second motor. The cylinder is obliquely installed in the inner cavity of the sewage treatment tank. The rotatable auger is installed in the inner cavity of the cylinder. One end of the auger is connected to the output end of the second motor. The outer wall of the cylinder is penetrated by multiple groups of through holes to form a filter mesh structure.

[0009] Preferably, the second driving assembly includes a second sliding rod, a second screw rod, a third motor and a slide groove, the sliding block is penetrated by the second sliding rod and the second screw rod, wherein the second sliding rod is symmetrically arranged in two groups, the second screw rod is threadedly connected to the sliding block, one end of the second screw rod is connected to the output end of the third motor, and the spraying member can slide along the slide groove opened at the top of the sewage treatment tank.

[0010] Preferably, a water outlet pipe is installed at the bottom end of the sewage treatment tank.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model utilizes two sets of filter screens symmetrically installed in an inverted eight shape, which can gather filtered impurities to the cleaning piece. The first driving component can drive the two sets of scraping pieces to adjust the spacing, which can assist in pushing the filtered impurities to the cleaning piece, and then the inclined cleaning piece is used to transport the impurities out. The second driving component can drive the slider to move, driving the spraying piece to flush the filter screen. The spraying piece can be connected to the water pump in the prior art, and water can be pumped to flush the filter screen. Compared with the prior art, the filtered impurities can be cleaned without disassembling the filter screen, which is more efficient.

[0013] 2. The elastic member of the utility model includes a telescopic rod and a spring, which can push the first scraper to always fit the filter screen to improve the cleaning efficiency. The first screw is specifically a forward and reverse screw. By starting the first motor, the first screw is driven to rotate, so that the two groups of second scrapers threaded at both ends thereof slide along the first slide bar. By adjusting the spacing between the two groups of second scrapers, the elastic member can be used to drive the first scraper to scrape the impurities filtered by the filter screen and push it to the cylinder. By starting the second motor, the auger is driven to rotate to transport the impurities out of the sewage treatment tank. Since the outer wall of the cylinder is penetrated with multiple groups of through holes to form a filter screen structure, and the tilting device can play a filtering effect again, thereby improving the sewage filtration efficiency.

[0014] 3. The utility model starts the third motor to drive the second screw to rotate, drives the slider threadedly connected thereto to slide along the second slide rod, and drives the spraying member to slide along the slide groove, so as to flush the filter screen. The outlet pipe can be connected to the pipeline to discharge the filtered sewage for processing in the next step. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A half-section diagram of the overall structure of the utility model;

[0016] Figure 2 It is an enlarged view of structure A of the utility model;

[0017] Figure 3 It is a side sectional view of the overall structure of the utility model;

[0018] Figure 4 It is a top sectional view of the overall structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the overall structure of the utility model.

[0020] In the figure: 1, sewage treatment tank, 2, cleaning part, 3, filter, 4, scraping part, 5, slider, 6, spray part, 7, first scraper, 8, elastic part, 9, second scraper, 10, first slide bar, 11, first screw, 12, first motor, 13, water inlet, 14, cylinder, 15, auger, 16, second motor, 17, second slide bar, 18, second screw, 19, third motor, 20, slide chute, 21, water outlet pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] Please refer to Figure 1-5 As shown, the utility model provides a laboratory sewage treatment device with a self-cleaning structure, including a sewage treatment box 1, a cleaning piece 2 is obliquely installed in the inner cavity of the sewage treatment box 1, two groups of filter screens 3 are symmetrically installed on both sides of the cleaning piece 2 in an inverted eight shape, the filter screens 3 can be cleaned by a scraper 4, and the scraper 4 can adjust the spacing through a first driving component. The top of the sewage treatment box 1 is connected to a slider 5 through a second driving component, and the slider 5 is equipped with a spraying piece 6.

[0024] In this embodiment, by installing two groups of filter screens 3 symmetrically in an inverted eight shape, filtered impurities can be gathered toward the cleaning member 2. The first driving component can drive the two groups of scraping members 4 to adjust the spacing, which can assist in pushing the filtered impurities toward the cleaning member 2, and then the inclined cleaning member 2 is used to transport the impurities out. The second driving component can drive the slider 5 to move, driving the spray member 6 to flush the filter screen 3. The spray member 6 can be connected to a water pump in the prior art to pump water to flush the filter screen 3. Compared with the prior art, the filtered impurities can be cleaned without disassembling the filter screen 3, which is more efficient.

[0025] Please refer to Figure 1-5 As shown, the scraper 4 includes a first scraper 7, an elastic member 8 and a second scraper 9. The first scraper 7 is connected to the second scraper 9 through two groups of elastic members 8. The first scraper 7 is attached to the filter screen 3. The outer walls of both sides of the sewage treatment tank 1 are located between the first scraper 7 and the second scraper 9 and are provided with a water inlet 13. The second scraper 9 is connected to the first driving assembly. The first driving assembly includes a first slide bar 10, a first screw 11 and a first motor 12. The two groups of second scrapers 9 are driven by the first slide bar 10 and the first screw 11. The first sliding rod 10 is symmetrically arranged in two groups, the first screw 11 is threadedly connected to the second scraper 9, and one end of the first screw 11 is connected to the output end of the first motor 12, the cleaning component 2 includes a barrel 14, an auger 15 and a second motor 16, the inner cavity of the sewage treatment tank 1 is obliquely installed with the barrel 14, the inner cavity of the barrel 14 is installed with a rotatable auger 15, one end of the auger 15 is connected to the output end of the second motor 16, and the outer wall of the barrel 14 is penetrated with multiple groups of through holes to form a filter-like structure.

[0026] In this embodiment, the elastic member 8 includes a telescopic rod and a spring, which can push the first scraper 7 to always fit the filter 3 to improve the cleaning efficiency. The first screw 11 is specifically a forward and reverse screw. By starting the first motor 12, the first screw 11 is driven to rotate, so that the two groups of second scrapers 9 threadedly connected to its two ends slide along the first slide bar 10. By adjusting the spacing between the two groups of second scrapers 9, the elastic member 8 can be used to drive the first scraper 7 to scrape the impurities filtered by the filter 3 and push it to the cylinder 14. By starting the second motor 16, the auger 15 is driven to rotate to transport the impurities out of the sewage treatment tank 1. Since the outer wall of the cylinder 14 is penetrated with multiple groups of through holes to form a filter screen structure, and the tilting device can play a filtering effect again, thereby improving the sewage filtration efficiency.

[0027] Please refer to Figure 1-5As shown, the second driving assembly includes a second slide bar 17, a second screw rod 18, a third motor 19 and a slide groove 20, the slider 5 is penetrated by the second slide bar 17 and the second screw rod 18, wherein the second slide bar 17 is symmetrically arranged in two groups, the second screw rod 18 is threadedly connected to the slider 5, one end of the second screw rod 18 is connected to the output end of the third motor 19, the spraying member 6 can slide along the slide groove 20 opened at the top of the sewage treatment tank 1, and a water outlet pipe 21 is installed at the bottom end of the sewage treatment tank 1.

[0028] In this embodiment, the spraying member 6 can be connected to the water pump in the prior art, and then water can be sprayed onto the filter 3. By starting the third motor 19, the second screw 18 is driven to rotate, and the slider 5 threadedly connected thereto is driven to slide along the second slide rod 17, and the spraying member 6 is driven to slide along the slide groove 20, so that the filter 3 can be flushed. The outlet pipe 21 can be connected to the pipeline to discharge the filtered sewage for processing in the next step.

[0029] Working principle: First, by installing two groups of filter screens 3 symmetrically in an inverted eight shape, the filtered impurities can be gathered to the cleaning member 2. The elastic member 8 includes a telescopic rod and a spring, which can push the first scraper 7 to always fit the filter screen 3 to improve the cleaning efficiency. The first screw 11 is specifically a forward and reverse screw. By starting the first motor 12, the first screw 11 is driven to rotate, so that the two groups of second scrapers 9 threadedly connected to the two ends thereof slide along the first slide bar 10. By adjusting the spacing between the two groups of second scrapers 9, the elastic member 8 can be used to drive the first scraper 7 to scrape the impurities filtered by the filter screen 3 and push it to the cylinder 14. By starting the second motor 16, the auger 1 is driven 5 rotates to transport impurities out of the sewage treatment box 1. Since the outer wall of the cylinder 14 is penetrated with multiple groups of through holes to form a filter screen structure, and the tilting device can play a filtering effect again to improve the sewage filtering efficiency. The spraying member 6 can be connected to the water pump in the prior art, and then water can be sprayed to the filter screen 3. By starting the third motor 19, the second screw 18 is driven to rotate, and the slider 5 threadedly connected to it is driven to slide along the second slide rod 17, and the spraying member 6 is driven to slide along the slide groove 20, so that the filter screen 3 can be flushed. The outlet pipe 21 can be connected to the pipeline to discharge the filtered sewage for the next step of processing.

[0030] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A laboratory sewage treatment device with a self-cleaning structure, comprising a sewage treatment tank (1), characterized in that: The inner cavity of the sewage treatment tank (1) is provided with a cleaning member (2) installed at an angle, and two groups of filter screens (3) are installed symmetrically on both sides of the cleaning member (2) in an inverted eight-shaped pattern. The filter screens (3) can be cleaned by a scraping member (4), and the scraping member (4) can be adjusted in spacing by a first driving component. The top of the sewage treatment tank (1) is connected to a slider (5) via a second driving component, and the slider (5) is provided with a spraying member (6).

2. A laboratory sewage treatment device with a self-cleaning structure according to claim 1, characterized in that: The scraper (4) comprises a first scraper (7), an elastic member (8) and a second scraper (9); the first scraper (7) is connected to the second scraper (9) via two groups of the elastic members (8); the first scraper (7) is in contact with the filter (3); the outer walls of both sides of the sewage treatment tank (1) are provided with a water inlet (13) between the first scraper (7) and the second scraper (9); the second scraper (9) is connected to the first driving assembly.

3. A laboratory sewage treatment device with a self-cleaning structure according to claim 2, characterized in that: The first driving assembly comprises a first sliding rod (10), a first screw rod (11) and a first motor (12); two groups of the second scrapers (9) are penetrated by the first sliding rod (10) and the first screw rod (11); the first sliding rod (10) is symmetrically arranged in two groups; the first screw rod (11) is threadedly connected to the second scraper (9), and one end of the first screw rod (11) is connected to the output end of the first motor (12).

4. The laboratory sewage treatment device with a self-cleaning structure according to claim 1 is characterized in that: The cleaning member (2) comprises a cylinder (14), an auger (15) and a second motor (16); the cylinder (14) is obliquely installed in the inner cavity of the sewage treatment tank (1); the rotatable auger (15) is installed in the inner cavity of the cylinder (14); one end of the auger (15) is connected to the output end of the second motor (16); and the outer wall of the cylinder (14) is provided with a plurality of groups of through holes to form a filter-like structure.

5. The laboratory sewage treatment device with a self-cleaning structure according to claim 1 is characterized in that: The second driving assembly comprises a second sliding rod (17), a second screw rod (18), a third motor (19) and a slide groove (20); the sliding block (5) is penetrated by the second sliding rod (17) and the second screw rod (18); the second sliding rod (17) is symmetrically arranged in two groups; the second screw rod (18) is threadedly connected to the sliding block (5); one end of the second screw rod (18) is connected to the output end of the third motor (19); and the spraying member (6) can slide along the slide groove (20) provided at the top of the sewage treatment tank (1).

6. The laboratory sewage treatment device with a self-cleaning structure according to claim 3 is characterized by: A water outlet pipe (21) is installed at the bottom end of the sewage treatment tank (1).

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