Urban water supply pipe network blowdown device
By designing an automatic switching and high-pressure water flushing system for urban water supply network sewage discharge, the problem of having to stop operation when the filter screen is clogged has been solved, achieving continuity and high efficiency in the filter screen cleaning process.
Patent Information
- Application Number
- CN202423229937.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing water supply network's sewage discharge device requires the pipeline to be shut down for cleaning when the filter screen becomes clogged, affecting the system's continuity and stability.
A sewage discharge device for urban water supply networks was designed, including a sealing rotating plate, a rotating mechanism, and a backwashing mechanism, to achieve automatic switching of filter screens and high-pressure water flushing, ensuring that the filter screen cleaning process does not affect the continuity of water flow.
It achieves uninterrupted water flow during filter cleaning, improving the continuity and stability of the system, simplifying the maintenance process, and providing significant cleaning results.
Smart Images

Figure CN223628177U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water supply pipeline technical field especially relates to a city water supply pipe network sewage device. BACKGROUND
[0002] Water supply pipe network is a part of city tap water pipe network group, and it is the source of water supply to the tap water plant, source water is pumped to the tap water plant for filtration, sedimentation and other treatments, and clean tap water is delivered to the city households. During the extraction of source water in the water supply pipe network, the source water needs to be filtered and treated to avoid the blockage of the water supply pipeline by garbage and impurities in the source water and to increase the purification intensity of the tap water by the staff.
[0003] In the prior art, the sewage device in the pipe network generally uses a filter screen to filter impurities in the water. However, after continuous use for a period of time, the filter screen will be clogged, at which time it needs to be cleaned. During the cleaning process, the pipeline waterway needs to be stopped, which will affect the overall pipeline operation. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art and provides a city water supply pipe network sewage device. When the filter screen part needs to be cleaned, the pipeline waterway does not need to be stopped, and the cleaning process is more convenient.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A city water supply pipe network sewage device includes a box body, an inlet pipe and a drain pipe. A cylindrical cavity is formed in the box body. The inlet pipe and the drain pipe extend to the top space in the cylindrical cavity.
[0007] A filter mechanism includes a sealing rotating plate. The upper and lower ends of the sealing rotating plate are fixedly connected with semicircular mounting frames. Filter screens are installed on the inner sides of the two semicircular mounting frames.
[0008] A rotating mechanism is used to rotate the sealing rotating plate.
[0009] A backflush mechanism is used to clean the filter screen below.
[0010] Preferably, the inner bottom of the cylindrical cavity is provided with a discharge port.
[0011] Preferably, a manual valve is installed in the discharge port.
[0012] Preferably, the rotating mechanism comprises a driving motor mounted on the right side of the box body, and an output shaft of the driving motor extends into the cylindrical cavity and is fixedly connected with the right side of the sealing rotating plate.
[0013] Preferably, the backwashing mechanism comprises a fan-shaped cavity opened in the box body, the fan-shaped cavity is located on the left side of the cylindrical cavity, a plurality of liquid discharge ports are formed in the right inner wall of the fan-shaped cavity, and a high-pressure water pump is mounted on the left side of the box body, and a water outlet end of the high-pressure water pump extends into the fan-shaped cavity.
[0014] Preferably, a check valve is mounted on the water outlet end of the high-pressure water pump.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. The upper and lower filter screens are designed to work alternately, so that the upper filter screen can continue to perform the filtering task when the filter screen is cleaned or replaced, ensuring the continuity and stability of the whole system and preventing the water flow from being interrupted during the cleaning process.
[0017] 2. When the upper filter screen right side gathers more impurities or is blocked, the driving motor is started to rotate half a circle, and the lower standby filter screen is quickly switched to, so that the maintenance process is simplified and the need for manual intervention is reduced.
[0018] 3. The high-pressure water pump is used to pump water into the fan-shaped cavity and spray it out from the plurality of liquid discharge ports, so that the high-pressure water flow directly impacts the surface of the lower filter screen, realizing powerful and thorough backwashing operation. This design not only effectively removes the impurities attached to the filter screen, but also discharges the waste water and the cleaned dirt from the discharge port together, ensuring the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A structural schematic view of a city water supply pipe network sewage discharge device is provided.
[0020] Figure 2 A left side view schematic view of the city water supply pipe network sewage discharge device is provided. Figure 1 A left side view schematic view of the city water supply pipe network sewage discharge device is provided.
[0021] Figure 3 A cross-sectional view schematic view of the city water supply pipe network sewage discharge device is provided. Figure 1 A cross-sectional view schematic view of the city water supply pipe network sewage discharge device is provided.
[0022] Figure 4 A sealing rotating plate and two semicircular mounting frames are connected.
[0023] In the figure: 1 box body, 2 drain pipe, 3 water inlet pipe, 4 driving motor, 5 cylindrical cavity, 6 sealing rotating plate, 7 filter screen, 8 fan-shaped cavity, 9 liquid discharge port, 10 discharge port, 11 semicircular mounting frame, 12 high-pressure water pump. DETAILED DESCRIPTION
[0024] 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.
[0025] With reference to Figures 1-4 A city water supply network sewage device, including box 1, inlet pipe 3 and drain pipe 2, box 1 inside is set up column cavity 5, and the one end of inlet pipe 3 and drain pipe 2 all extends to column cavity 5 top space inside, and the inner bottom of column cavity 5 is provided with discharge port 10, and discharge port 10 inside is installed with manual valve;
[0026] Wherein, it further includes filter mechanism, and the filter mechanism includes sealing rotary plate 6, and the upper and lower ends of sealing rotary plate 6 are fixedly connected with semicircular mounting frame 11, and the inner sides of two semicircular mounting frames 11 are installed with filter screen 7;
[0027] Wherein, it further includes rotating mechanism, and the rotating mechanism is used for rotating sealing rotary plate 6, and the rotating mechanism includes drive motor 4 installed on the right side of box 1, and the output shaft of drive motor 4 extends to column cavity 5 and is fixedly connected with the right side of sealing rotary plate 6, further, the front and back sides of sealing rotary plate 6 are arc-shaped, and are in close contact with and slidingly connected with the inner wall of column cavity 5, and the front and back sides and the left and right sides of sealing rotary plate 6 and the outer sides of two semicircular mounting frames 11 are provided with rubber sealing layer, and drive motor 4 is installed with rotary sealing pad at column cavity 5 place;
[0028] Wherein, it further includes backflush mechanism, and the backflush mechanism is used for cleaning lower filter screen 7, and the backflush mechanism includes fan-shaped cavity 8 opened in box 1, and the fan-shaped cavity 8 is located at the left side of column cavity 5, and a plurality of liquid discharge ports 9 are formed in the right inner wall of fan-shaped cavity 8, and high-pressure water pump 12 is installed on the left side of box 1, and the water outlet end of high-pressure water pump 12 extends to the inside of fan-shaped cavity 8, and a check valve is installed on the water outlet end of high-pressure water pump 12, and the water inlet end of high-pressure water pump 12 is communicated with the water tank outside.
[0029] In the utility model, when using, inlet pipe 3 water, from drain pipe 2, using this mode, the filter screen 7 of upper side can intercept the impurity in water, when the impurity of right side of upper filter screen 7 gathers more, or filter screen 7 is blocked, and drive motor 4 is started to rotate half a circle, and the filter screen 7 of upper and lower sides is changed, and the filtering operation of upper side is still carried out;
[0030] Subsequently open the manual valve on the drain 10, and start the high pressure water pump 12, the high pressure water pump 12 starts, water will be pumped into the fan-shaped cavity 8, finally from multiple drain 9, the water from the left impact to the filter screen 7 below, backwash operation, and the original filter screen 7 right side of the wastewater will be discharged from the drain 10, the overall cleaning process, the waterway of the pipeline does not need to be suspended.
[0031] The above merely describes a preferred embodiment of the present application, but the scope of protection of the present application is not limited thereto, any person skilled in the art within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, equivalent replacement or change, should be covered within the scope of protection of the present application.
Claims
1. A sewerage device for a municipal water supply network, characterized in that Include: Box (1), water inlet pipe (3) and drain pipe (2), the box (1) inside is provided with cylindrical cavity (5), one end of water inlet pipe (3) and drain pipe (2) extends to the top space in cylindrical cavity (5); Filter mechanism, the filter mechanism includes sealing rotary plate (6), the upper and lower ends of sealing rotary plate (6) are fixedly connected with semicircular mounting frame (11), the inner side of two semicircular mounting frames (11) are mounted with filter screen (7); Rotary mechanism, the rotary mechanism is used for rotating sealing rotary plate (6); Backflush mechanism, the backflush mechanism is used for cleaning the filter screen (7) below.
2. The apparatus according to claim 1, wherein The inner bottom of the cylindrical cavity (5) is provided with a discharge port (10).
3. A sewerage device for a municipal water supply network according to claim 2, characterised in that The discharge port (10) is internally provided with a manual valve.
4. The apparatus according to claim 1, wherein The rotary mechanism includes a drive motor (4) mounted on the right side of the box (1), the output shaft of the drive motor (4) extends into the cylindrical cavity (5), and is fixedly connected with the right side of the sealing rotary plate (6).
5. The apparatus according to claim 1, wherein The backflush mechanism includes a fan-shaped cavity (8) opened in the box (1), the fan-shaped cavity (8) is located on the left side of the cylindrical cavity (5), a plurality of liquid discharge ports (9) are formed on the right side inner wall of the fan-shaped cavity (8), a high-pressure water pump (12) is mounted on the left side of the box (1), and the water outlet end of the high-pressure water pump (12) extends into the fan-shaped cavity (8).
6. A sewerage device for a municipal water supply network according to claim 5, characterised in that The water outlet end of the high-pressure water pump (12) is provided with a check valve.