Sewage filtering device
By introducing scrapers and auger structures into the wastewater filtration device, automatic cleaning of filter screen impurities is achieved, solving the problem of filter screen clogging and improving filtration efficiency and device lifespan.
Patent Information
- Application Number
- CN202522166549.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-14
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-10-14
AI Technical Summary
Existing wastewater filtration devices are prone to filter clogging during use, and impurities are difficult to remove, resulting in decreased filtration efficiency and a cumbersome cleaning process, which increases labor intensity and treatment costs.
A wastewater filtration device was designed, which adopts a combination structure of filter screen and scraper, combined with auger and motor drive to realize automatic cleaning of impurities. The scraper removes impurities from the surface of the filter screen, and the auger automatically discharges the impurities, thus avoiding filter screen clogging.
It effectively maintains the stability of filtration performance, reduces labor intensity, improves work efficiency, and extends the service life of the device.
Smart Images

Figure CN223654597U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field, especially sewage filtering device. BACKGROUND
[0002] In today's society, with the rapid development of industrialization and urbanization, the sewage discharge is increasing, and the impurity content in the sewage is increasingly complex. If the sewage is directly discharged without effective treatment, it will cause serious pollution to the ecological environment such as natural water body and soil, and further threaten the health and living environment of human beings. Therefore, filtering and treating the sewage to remove the impurities and make it reach the discharge standard or the reusable standard has become an important issue in the field of environmental protection and sustainable utilization of resources.
[0003] At present, there are many kinds of sewage filtering devices on the market, but most of them have some shortcomings. Some traditional sewage filtering devices adopt simple filter screen filtering method, which can intercept impurities of a certain size, but with the extension of use time, a large amount of impurities will accumulate on the surface of the filter screen, causing the filter screen to be blocked and the filtering efficiency to be greatly reduced. Moreover, the filtered impurities accumulate in the pipeline, and when cleaning the impurities, the pipeline usually needs to be disassembled manually for cleaning, which not only has high labor intensity and complicated operation, but also affects the continuity of sewage treatment and increases the treatment cost. Therefore, the present application provides a sewage filtering device to meet the needs. UTILITARIAN CONTENT
[0004] The technical problem to be solved by the utility model is to provide a sewage filtering device to solve the problem that the filtered impurities of the existing sewage filtering equipment are not easy to clean.
[0005] To solve the above technical problems, the utility model provides the following technical scheme:
[0006] A sewage filtering device, comprising a sewage pipe, the sewage pipe is vertically distributed, a water inlet and a front end water outlet are arranged on the side wall of the sewage pipe close to the bottom end position, a filter screen is arranged in the front end water outlet, a sewage outlet is arranged on the side wall of the sewage pipe close to the top end position, the top end and the bottom end of the sewage pipe are blocked, an auger is rotatably installed in the sewage pipe along the axial direction, and a second motor for driving the rotation of the auger is installed on the top end of the sewage pipe.
[0007] Optionally, a third blocking plate is connected to the bottom end flange of the sewage pipe, and a fourth blocking plate is connected to the top end flange of the sewage pipe, and the second motor is installed on the fourth blocking plate.
[0008] Optionally, a four-way connecting pipe is connected to the flange of the front end water outlet, and the four-way connecting pipe has a rear end water outlet.
[0009] Optionally, the four-way connector has a maintenance interface, and a second blocking plate is flange-connected to the maintenance interface.
[0010] Optionally, the back-end water outlet interface and the second blocking plate are located on the same axis.
[0011] Optionally, a scraper is arranged on the side of the filter screen facing the inside of the blowdown pipe, the scraper is in contact with the filter screen, and a driving member for driving the scraper to rotate is arranged on the four-way connector.
[0012] Optionally, a first blocking plate is flange-connected to the remaining end of the four-way connector, the first blocking plate is located on the same axis as the front-end water outlet interface, the driving member is a first motor mounted on the first blocking plate and a shaft rod penetrating in the four-way connector, the shaft rod is connected with the output shaft of the first motor, and the end of the shaft rod is connected with the scraper through the filter screen.
[0013] Optionally, the scraper is provided with an ear plate at both ends, and the ear plate is in sliding contact with the inner wall of the front-end water outlet interface.
[0014] Optionally, the ear plate and the scraper are aligned with the inner wall of the blowdown pipe.
[0015] Optionally, a retaining ring is arranged in the front-end water outlet interface, and the filter screen is clamped on the retaining ring.
[0016] Compared with the prior art, the utility model has at least the following beneficial effects:
[0017] In the above scheme, by arranging the filter screen, impurities in the sewage can be effectively intercepted, and preliminary purification of the sewage is realized. Meanwhile, the scraper can timely scrape off the impurities attached to the surface of the filter screen, so that the filter screen is prevented from being blocked by the impurities, and long-term stable filtering effect is ensured.
[0018] By arranging the cooperation of the auger and the second motor, automatic cleaning and discharge of the impurities are realized, manual frequent cleaning of the impurities in the blowdown pipe is not needed, labor intensity is reduced, and work efficiency is improved.
[0019] By arranging the maintenance interface on the four-way connector and connecting the second blocking plate, and by arranging the third blocking plate and the fourth blocking plate at both ends of the blowdown pipe, the blocking plates can be opened to check and maintain the inside of the device when needed, and the service life of the device is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0020] The drawings incorporated herein and forming part of the specification show embodiments of the utility model, and together with the specification, further serve to explain the principles of the utility model, and enable relevant persons skilled in the art to implement and use the utility model.
[0021] Figure 1 It is a whole structure schematic view of the sewage filtering device.
[0022] Figure 2 is a side view of the sewage filtering device;
[0023] Figure 3 is a side sectional view of the sewage filtering device;
[0024] Figure 4 is Figure 3 is an enlarged view of A in the middle.
[0025] Reference signs:
[0026] 1, sewage pipe; 2, water inlet; 3, front water outlet; 4, four-way connector; 5, rear water outlet; 6, first blocking plate; 7, first motor; 8, maintenance interface; 9, second blocking plate; 10, third blocking plate; 11, sewage interface; 12, fourth blocking plate; 13, second motor; 14, auger; 15, filter screen; 16, shaft; 17, scraper; 18, lug plate; 19, retaining ring.
[0027] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structure, device and environment, and those skilled in the art can adjust or modify these devices and environment according to specific needs. DETAILED DESCRIPTION
[0028] The sewage filtering device provided by the present application will be described in detail below in combination with the drawings and specific embodiments. It should be noted that in order to make the embodiments more detailed, the following embodiments are the best, preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement them; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.
[0029] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include specific features, structures or characteristics, but not necessarily every embodiment includes the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize this feature, structure or characteristic in combination with other embodiments (whether or not explicitly described).
[0030] In general, terminology can be understood at least in part from the usage in context. For example, the term "one or more" as used herein, depending at least in part upon context, can be used to describe any feature, structure, or characteristic in a singular sense or can be used to describe combinations of features, structures or characteristics in a plural sense. Additionally, the term "based on" can be understood as not necessarily being confined to factors that are strictly deterministic but alternatively or additionally based at least in part on probabilistic, statistical, or probabilistic and statistical considerations.
[0031] It is to be understood that the terms "on", "above", and "upper" in the present application should be interpreted in the broadest possible way consistent with the context. Consequently, "on" can mean not only "directly on" something but can also mean on something with intervening features or layers therebetween, and "above" or "upper" can mean not only "above" or "upper" something but can also mean "above" or "upper" something with no intervening features or layers therebetween.
[0032] In addition, spatially relative terms, such as "beneath", "below", "lower", "above", "upper", and the like, can be used herein for ease of description to describe one element's or feature's relationship to another element(s) or feature(s) as illustrated in the figures. The spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein can similarly be interpreted accordingly.
[0033] As shown in Figures 1 to 4 The sewage pipe 1 is vertically distributed, and the top end and the bottom end of the sewage pipe 1 are both subjected to plugging treatment. The side wall of the sewage pipe 1 close to the bottom end position is provided with the water inlet interface 2 and the front end water outlet interface 3 respectively. The front end water outlet interface 3 is provided with a filter screen 15 and a retaining ring 19, and the filter screen 15 is clamped on the retaining ring 19.
[0034] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the side wall of the drain pipe 1 near the top end position is provided with a drain interface 11 for discharging the filtered impurities. The bottom end of the drain pipe 1 is connected with a third blocking plate 10 through a flange, and the top end is connected with a fourth blocking plate 12 through a flange. The second motor 13 is installed on the fourth blocking plate 12. The auger 14 is installed in the drain pipe 1 in an axial rotation manner. The output shaft of the second motor 13 is connected with the auger 14 for driving the rotation of the auger 14. The impurities in the drain pipe 1 can be transported upward to the drain interface 11 for discharge in the rotation process of the auger 14.
[0035] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the front end water outlet 3 is connected with a four-way connector 4 through a flange. The four-way connector 4 has a rear end water outlet 5 and a maintenance interface 8. The second blocking plate 9 is connected with the maintenance interface 8 through a flange. The rear end water outlet 5 and the maintenance interface 8 are located on the same axis. The filter screen 15 is provided with a scraper 17 on the side facing the inside of the drain pipe 1. The scraper 17 is in contact with the filter screen 15 for scraping the impurities attached to the surface of the filter screen 15.
[0036] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 , the four-way connector 4 is provided with a driving member for driving the rotation of the scraper 17. Specifically, the remaining end of the four-way connector 4 is connected with a first blocking plate 6 through a flange. The first blocking plate 6 is located on the same axis as the front end water outlet 3. The driving member is a first motor 7 installed on the first blocking plate 6 and a shaft 16 penetrating in the four-way connector 4. The shaft 16 is connected with the output shaft of the first motor 7. The end of the shaft 16 is connected with the scraper 17 through the filter screen 15. When the first motor 7 is started, the scraper 17 is driven to rotate through the shaft 16 to clean the filter screen 15. The both ends of the scraper 17 are provided with an ear plate 18. The ear plate 18 is in sliding contact with the inner wall of the front end water outlet 3. The ear plate 18 and the scraper 17 are aligned with the inner wall of the drain pipe 1 to ensure that the scraper 17 can clean the filter screen 15 comprehensively in the rotation process and avoid the collision between the scraper 17 and the ear plate 18 and the auger 14.
[0037] The technical scheme of the utility model provides the working principle as follows:
[0038] In actual use, sewage enters the sewage pipe 1 from the water inlet interface 2. The sewage is filtered by the filter screen 15 at the front end water outlet interface 3, and the filtered water enters the four-way connector 4 and flows out from the rear end water outlet interface 5, realizing the preliminary purification of the sewage. With the increase of use time, a large amount of impurities will gradually adhere to the surface of the filter screen 15, affecting the filtering effect. Start the first motor 7, the first motor 7 drives the scraper 17 to rotate through the shaft 16, and the scraper 17 scrapes off the impurities adhered to the surface of the filter screen 15 in the rotating process, and the impurities fall into the bottom of the sewage pipe 1. When the impurities deposit a certain amount, start the second motor 13, the second motor 13 drives the auger 14 to rotate, the auger 14 conveys the impurities at the bottom of the sewage pipe 1 upwards, and finally discharges through the sewage interface 11, realizing the continuous filtration of the sewage and the automatic cleaning of the impurities. When it is necessary to overhaul the device, the second blocking plate 9 on the overhaul interface 8 can be opened to check and maintain the four-way connector 4 and related parts; the first blocking plate 6 can also be opened to maintain the first motor 7 and the shaft 16 and the like. In addition, the third blocking plate 10 and the fourth blocking plate 12 can be opened to overhaul the inside of the sewage pipe 1.
[0039] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the following utility model preferred embodiment, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit and the like are not explained in detail.
[0040] The above only is the preferred implementation mode of the utility model, should point out, for ordinary skill in the prior art person, on the premise that without departing from the principle of the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model.
Claims
1. A sewage filtering device, comprising a sewage pipe (1), characterized in that: the sewage pipe (1) is vertically distributed, a water inlet (2) and a front water outlet (3) are arranged on the side wall of the sewage pipe (1) near the bottom end position, a filter screen (15) is arranged in the front water outlet (3), a sewage outlet (11) is arranged on the side wall of the sewage pipe (1) near the top end position, the top end and the bottom end of the sewage pipe (1) are blocked, an auger (14) is rotatably arranged in the sewage pipe (1) along the axial direction, and a second motor (13) for driving the rotation of the auger (14) is arranged at the top end of the sewage pipe (1). The bottom end of the sewage pipe (1) is flange-connected with a third blocking plate (10), the top end of the sewage pipe (1) is flange-connected with a fourth blocking plate (12), and the second motor (13) is arranged on the fourth blocking plate (12).
2. The sewage filtering device according to claim 1, characterized in that, A four-way connecting pipe (4) is flange-connected to the front water outlet (3), and the four-way connecting pipe (4) has a rear water outlet (5).
3. The sewage filtering device according to claim 1, characterized in that, The four-way connecting pipe (4) has an inspection interface (8), and a second blocking plate (9) is flange-connected to the inspection interface (8).
4. The sewage filtering device according to claim 3, characterized in that The rear water outlet (5) and the second blocking plate (9) are located on the same axis.
5. The sewage filtering device according to claim 4, characterized in that The filter screen (15) is provided with a scraper (17) on the side facing the inside of the sewage pipe (1), the scraper (17) is in contact with the filter screen (15), and a driving member for driving the rotation of the scraper (17) is arranged on the four-way connecting pipe (4).
6. The sewage filtering device according to claim 5, characterized in that A first blocking plate (6) is flange-connected to the remaining end of the four-way connecting pipe (4), the first blocking plate (6) is located on the same axis as the front water outlet (3), the driving member is a first motor (7) arranged on the first blocking plate (6) and a shaft (16) penetrating the four-way connecting pipe (4), the shaft (16) is connected with the output shaft of the first motor (7), and the end of the shaft (16) is connected with the scraper (17) through the filter screen (15).
7. The sewage filtering device according to claim 6, characterized in that The scraper (17) is provided with an ear plate (18) at both ends, and the ear plate (18) is in sliding contact with the inner wall of the front water outlet (3).
8. The sewage filtering device according to claim 7, characterized in that The ear plate (18) and the scraper (17) are aligned with the inner wall of the sewage pipe (1).
9. The sewage filtering device according to claim 8, characterized in that A retaining ring (19) is arranged in the front water outlet (3), and the filter screen (15) is clamped on the retaining ring (19).
10. The sewage filtering device of claim 1, wherein,