Filtering device for municipal water supply and drainage

Abstract

The utility model provides a filtering device for municipal water supply and drainage. The filtering device for municipal water supply and drainage comprises an external pipe, a valve, a filtering device body, a flushing device, a connecting pipe and an auxiliary device, the bottom of the connecting pipe is fixedly connected to one end of the top of a connecting table, the other end of the top of the connecting table is fixedly connected to the bottom of a fixing base, and the top of the fixing base is fixedly connected to the bottom of a backwashing pump; the output end of the backwashing pump is fixedly connected to one end of the washing pipe, the tail end of the washing pipe is fixedly connected to the second sealing ring, and the sealing ring is fixedly connected to the outer side wall of the connecting pipe. The cleanliness in the subsequent use process is ensured; and through the design of the backwashing pump and the washing pipe, the filter is simple and quick to clean, and the downtime and the maintenance cost are greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of filtration for municipal water supply and drainage, and in particular to a filtration device for municipal water supply and drainage. Background Technology

[0002] The concept of water filtration should be defined based on the primary and secondary roles of water. When water is the primary element, water filtration is a medium for filtering and treating other impurities; it is a filtration method that effectively separates solids and gases through the dissolution of water. When water is the secondary element, water filtration is a method specifically designed for water treatment; it uses a filter medium to remove suspended solids from the water, thereby obtaining clean water. This type of device is frequently used in municipal operations for filtering wastewater.

[0003] A municipal water supply and drainage filtration device, as disclosed in utility model patent application CN219231559U, includes an external pipe, a connecting pipe at the bottom of the external pipe, a filtration device inside the connecting pipe, and an auxiliary device at the bottom of the connecting pipe. This municipal water supply and drainage filtration device, by including the filtration device, addresses the issue that the filter screen's effectiveness decreases after prolonged use, requiring replacement. To remove it, the connecting pipe can be held and rotated to detach the connecting platform and the internal structure. Then, a pulling rod can be pulled downwards to extract the first filter screen, connecting frame rod, second mounting frame, and second filter screen from the connecting pipe for cleaning and reinstallation. This allows for convenient replacement of the internal filtration equipment without affecting filtration efficiency after prolonged use, resulting in good performance during operation. However, this device is lacking in terms of filter screen disassembly and automatic cleaning.

[0004] Therefore, it is necessary to provide a new filtration device for municipal water supply and drainage to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a filtration device for municipal water supply and drainage.

[0006] The municipal water supply and drainage filtration device provided by this utility model includes: an external pipe, a valve, a filter device, a flushing device, a connecting pipe, and an auxiliary device. The external pipe is fitted with a connecting valve, and a connecting pipe is provided at the bottom of the external pipe. The filter device is provided on the inner wall of the connecting pipe, and the bottom of the connecting pipe is fixedly connected to the top of the flushing device. The bottom of the flushing device is fixedly connected to the bottom of the auxiliary device.

[0007] Preferably, the flushing device includes a connecting platform, a fixed base, a backwash pump, a flushing pipe, and a second sealing gasket. The bottom of the connecting pipe is fixedly connected to one end of the top of the connecting platform, the other end of the top of the connecting platform is fixedly connected to the bottom of the fixed base, the top of the fixed base is fixedly connected to the bottom of the backwash pump, the output end of the backwash pump is fixedly connected to one end of the flushing pipe, the end of the flushing pipe is fixedly connected to the second sealing ring, and the sealing ring is fixedly connected to the outer wall of the connecting pipe.

[0008] Preferably, the filtration device includes a connecting plate, a water inlet, a first sealing gasket, a first mounting bracket, a second mounting bracket, a slot, a buckle, a first filter screen, and a second filter screen. The top of the connecting pipe is fixedly connected to the bottom of the first sealing gasket, and the top of the first sealing gasket is fixedly connected to the bottom of the connecting plate. The connecting plate has a water inlet inside. The inner wall of the connecting pipe has a slot. The upper end of the inner wall of the connecting pipe has a first mounting bracket, and the lower end of the inner wall of the connecting pipe has a second mounting bracket. The inner wall of the first mounting bracket is fixedly connected to the first filter screen, and the inner wall of the second mounting bracket is fixedly connected to the second filter screen. The outer walls of the first and second mounting brackets are fixedly connected to the buckle.

[0009] Preferably, the auxiliary device includes a storage box and a glass viewing window, the bottom of the connecting platform is fixedly connected to the top of the storage box, and the outer wall of the storage box is provided with a glass viewing window.

[0010] Preferably, the first mounting frame and the second mounting frame are connected to the connecting pipe by snap fasteners fixed to the outer wall.

[0011] Preferably, the top of the connecting plate is provided with a threaded rod, the bottom of the outer pipe is provided with a mating plate, and the bottom of the mating plate is provided with an internal thread.

[0012] Preferably, the threaded rod is threaded into the interior of the mating disc, and the threaded rod is adapted to the size of the internal thread.

[0013] Compared with related technologies, the municipal water supply and drainage filtration device provided by this utility model has the following beneficial effects: by setting a filtration device between the external pipe and the connecting pipe, impurities in the fluid can be effectively removed, ensuring cleanliness during subsequent use; the design of the backwash pump and flushing pipe makes cleaning the filter simple and quick, and users can complete the cleaning of the filter without disassembly, greatly reducing downtime and maintenance costs. Attached Figure Description

[0014] Figure 1 A schematic diagram of a preferred embodiment of the municipal water supply and drainage filtration device provided by this utility model;

[0015] Figure 2 forFigure 1 The diagram shows the structure of the rinsing device.

[0016] Figure 3 for Figure 1 The diagram shows the structural layout of the filter screen.

[0017] Figure 4 for Figure 1 The diagram shows the structural layout of the card slot.

[0018] Figure 5 for Figure 1 The diagram shown illustrates the structure of the filter screen.

[0019] Numbered in the diagram: 1. External pipe; 2. Valve; 3. Filter device; 4. Flushing device; 5. Auxiliary device; 6. Connecting pipe; 310. Water inlet; 320. No. 1 sealing gasket; 330. No. 1 mounting bracket; 340. No. 2 mounting bracket; 350. Slot; 360. Buckle; 370. No. 1 filter screen; 380. No. 2 filter screen; 390. Connecting plate; 410. Connecting platform; 420. Fixing base; 430. Backwash pump; 440. Flushing pipe; 450. No. 2 sealing gasket; 510. Storage tank; 520. Glass viewing window; Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the municipal water supply and drainage filtration device provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the rinsing device. Figure 3 for Figure 1 The diagram shows the structural layout of the filter screen. Figure 4 for Figure 1 The diagram shows the structural layout of the card slot. Figure 5 for Figure 1 The diagram shows the structure of the filter screen.

[0022] In the specific implementation process, such as Figures 1-2As shown, the present invention provides a municipal water supply and drainage filtration device including an external pipe 1, a valve 2, a filter device 3, a flushing device 4, a connecting pipe 6, and an auxiliary device 5. The external pipe 1 is fitted with a connecting valve 2, and the bottom of the external pipe 1 is provided with a connecting pipe 6; the inner wall of the connecting pipe 6 is provided with a filter device 3, the bottom of the connecting pipe 6 is fixedly connected to the top of the flushing device 4, and the bottom of the flushing device 4 is fixedly connected to the bottom of the auxiliary device 5.

[0023] The flushing device 4 includes a connecting platform 410, a fixed base 420, a backwash pump 430, a flushing pipe 440, and a second sealing gasket 450. The bottom of the connecting pipe 6 is fixedly connected to one end of the top of the connecting platform 410, the other end of the top of the connecting platform 410 is fixedly connected to the bottom of the fixed base 420, the top of the fixed base 420 is fixedly connected to the bottom of the backwash pump 430, the output end of the backwash pump 430 is fixedly connected to one end of the flushing pipe 440, and the end of the flushing pipe 440 is fixedly connected to the second sealing ring. The sealing ring is fixedly connected to the outer wall of the connecting pipe 6.

[0024] The auxiliary device 5 includes a storage box 510 and a glass viewing window 520. The bottom of the connecting platform 410 is fixedly connected to the top of the storage box 510, and the outer wall of the storage box 510 is provided with a glass viewing window 520.

[0025] It should be noted that the external pipe 1 connects to an external pipeline to introduce the water to be treated; the valve 2 is sleeved and connected to the external pipe 1 to control the flow of water and facilitate the shutdown of the system during maintenance and repair; the connecting platform 410 fixes the connecting pipe 6 and the fixing seat 420; the fixing seat 420 supports the backwash pump 430; the backwash pump 430 provides the water flow power required for backwashing; the flushing pipe 440 guides the backwash water flow to the filter device 3; the second sealing gasket 450 ensures the sealing between the flushing pipe 440 and the connecting pipe 6; the connecting pipe 6 connects the external pipe 1, the filter device 3 and the flushing device 4 to form a complete fluid channel; the storage tank 510 collects the impurities discharged during the backwashing process; the glass viewing window 520 facilitates observation of the impurities in the storage tank 510.

[0026] In the specific implementation process, refer to Figures 3-5As shown, this utility model provides a municipal water supply and drainage filtration device, comprising a filtration device 3 including a connecting plate 390, a water inlet 310, a first sealing gasket 320, a first mounting bracket 330, a second mounting bracket 340, a slot 350, a buckle 360, a first filter screen 370, and a second filter screen 380. The top of the connecting pipe 6 is fixedly connected to the bottom of the first sealing gasket 320, and the top of the first sealing gasket 320 is fixedly connected to the bottom of the connecting plate 390. The connecting plate 390 has a water inlet 310 inside, and a threaded rod is provided on the top of the connecting plate 390. A docking plate is provided at the bottom of the outer pipe 1. The connecting tube 6 has an internal thread, and the threaded rod is threaded into the inside of the mating plate. The size of the threaded rod is compatible with the internal thread. The inner wall of the connecting tube 6 has a slot 350. The upper end of the inner wall of the connecting tube 6 has a first mounting bracket 330, and the lower end of the inner wall of the connecting tube 6 has a second mounting bracket 340. The inner wall of the first mounting bracket 330 is fixedly connected to a first filter screen 370, and the inner wall of the second mounting bracket 340 is fixedly connected to a second filter screen 380. The outer walls of the first mounting bracket 330 and the second mounting bracket 340 are fixedly connected to a buckle 360. The first mounting bracket 330 and the second mounting bracket 340 are engaged with the connecting tube 6 through the buckle 360 ​​fixedly connected to the outer wall.

[0027] It should be noted that the connecting plate 390 has a water inlet hole 310 inside and a threaded rod on the top for threaded connection with the connecting plate of the outer pipe 1, serving as the top connector of the filter device 3 and connecting with the outer pipe 1; the water inlet hole 310 is located inside the connecting plate 390, allowing water to flow into the filter device 3; the bottom of the first sealing gasket 320 is fixedly connected to the top of the connecting pipe 6, and the top is fixedly connected to the bottom of the connecting plate 390, ensuring the sealing between the connecting plate 390 and the connecting pipe 6 and preventing water leakage; the first mounting bracket 330 is connected to the slot 350 of the connecting pipe 6 by a buckle 360 ​​to support and fix the first filter screen 370; the second mounting bracket 340 is connected by a clip... The buckle 360 ​​engages with the slot 350 of the connecting pipe 6, supporting and fixing the second filter screen 380. The slot 350 is formed on the inner wall of the connecting pipe 6, providing an installation position for the buckle 360 ​​and ensuring the fixation of the first mounting bracket 330 and the second mounting bracket 340. The buckle 360 ​​is fixed to the outer wall of the first mounting bracket 330 and the second mounting bracket 340, fixing the first mounting bracket 330 and the second mounting bracket 340 to the inner wall of the connecting pipe 6. The first filter screen 370 is fixed to the inner wall of the first mounting bracket 330 for preliminary filtration, removing larger impurities. The second filter screen 380 is fixed to the inner wall of the second mounting bracket 340 for further filtration, removing smaller impurities.

[0028] The working principle of this utility model is as follows: Water enters through the external pipe 1, which is fitted with a connecting valve 2. The valve 2 controls the flow of water. The water flows through the inlet hole 310 inside the connecting plate 390 into the connecting pipe 6. The water first passes through the first filter screen 370 in the first mounting frame 330 to remove larger impurities. Then the water continues to flow downwards, passing through the second filter screen 380 in the second mounting frame 340 to remove smaller impurities. The filtered clean water continues to flow to downstream pipes or equipment. When the filter device 3 needs cleaning, the backwash pump 430 is started. The backwash pump 430 delivers water from the bottom of the extraction connecting pipe 6 through the flush pipe 440 to the top of the first filter screen 370. The reverse water flow enters the connecting pipe 6 from the flush pipe 440 and passes in reverse through the second filter screen 380 and the first filter screen 370. The reverse water flow washes off the impurities attached to the first filter screen 370 and the second filter screen 380. The washed-off impurities enter the storage tank 510 through the connecting pipe 6. The outer wall of the storage tank 510 is provided with a glass viewing window 520 to facilitate observation of the impurities inside the storage tank 510 and to facilitate timely cleaning.

[0029] This municipal water supply and drainage filtration device has the following advantages: It employs a two-stage filtration system with a No. 1 filter screen 370 and a No. 2 filter screen 380, effectively removing impurities of different sizes and ensuring clean water. The No. 1 mounting bracket 330 and the No. 2 mounting bracket 340 are connected to the connecting pipe 6 via a snap-fit ​​360 and a slot 350, facilitating easy disassembly and replacement of the filter screens and simplifying maintenance. The flushing device 4 includes a backwash pump 430 and a flushing pipe 440, which can automatically clean the filter device 3 periodically, reducing the frequency and workload of manual cleaning. The No. 1 sealing gasket 320 and the No. 2 sealing gasket 450 respectively ensure the sealing between the connecting plate 390 and the connecting pipe 6, and between the flushing pipe 440 and the connecting pipe 6, preventing leakage. The storage tank 510 in the auxiliary device 5 has a glass viewing window 520 on its outer wall, allowing operators to easily observe the impurities inside the storage tank and clean it promptly.

[0030] The circuits and controls involved in this utility model are all existing technologies, and will not be described in detail here.

[0031] 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 filter device for municipal water supply and sewerage, characterized by comprising: The utility model provides a filter device, flushing device, auxiliary device, valve, connecting pipe and outer connecting pipe, the outer connecting pipe (1) is connected with valve (2), the bottom of outer connecting pipe (1) is provided with connecting pipe (6), the inner wall of connecting pipe (6) is provided with filter device (3), the bottom of connecting pipe (6) is fixedly connected to the top of flushing device (4), the bottom of flushing device (4) is fixedly connected to the top of auxiliary device (5), the flushing device (4) includes connecting table (410), fixed seat (420), backwashing pump (430), flushing pipe (440) and second gasket (450), the bottom of connecting pipe (6) is fixedly connected to the top one end of connecting table (410), the top other end of connecting table (410) is fixedly connected to the bottom of fixed seat (420), the top of fixed seat (420) is fixedly connected to the bottom of backwashing pump (430), the output end of backwashing pump (430) is fixedly connected to one end of flushing pipe (440), the end of flushing pipe (440) is fixedly connected to second sealing ring, the sealing ring is fixedly connected to the outer side wall of connecting pipe (6). The filter device (3) includes connecting disc (390), water inlet hole (310), first gasket (320), first placing frame (330), second placing frame (340), clamping groove (350), buckle (360), first filter screen (370) and second filter screen (380), the top of connecting pipe (6) is fixedly connected to the bottom of first gasket (320), the top of first gasket (320) is fixedly connected to the bottom of connecting disc (390), the inside of connecting disc (390) is provided with water inlet hole (310), the inner wall of connecting pipe (6) is provided with clamping groove (350), the inner wall upper end of connecting pipe (6) is provided with first placing frame (330), the inner wall lower end of connecting pipe (6) is provided with second placing frame (340), the inner wall of first placing frame (330) is fixedly connected with first filter screen (370), the inner wall of second placing frame (340) is fixedly connected with second filter screen (380), the outer wall of first placing frame (330) and second placing frame (340) is fixedly connected with buckle (360).

2. The filter device for municipal water supply and sewerage according to claim 1, characterized by The auxiliary device (5) includes storage box (510) and glass view window (520), the bottom of connecting table (410) is fixedly connected to the top of storage box (510), the outer wall of storage box (510) is provided with glass view window (520).

3. The filter device for municipal water supply and sewerage according to claim 1, characterized by The first placing frame (330) and the second placing frame (340) are connected with the connecting pipe (6) through the buckle (360) fixedly connected with the outer wall.

4. The filter device for municipal water supply and sewerage according to claim 2, characterized by The top of connecting disc (390) is provided with threaded rod, the bottom of outer connecting pipe (1) is provided with docking disc, the bottom of docking disc is provided with internal thread.

5. The filter device for municipal water supply and sewerage according to claim 2, wherein The threaded rod is screw connected in the inside of docking disc, and the threaded rod and the internal thread of docking disc are matched in size.

6. The filter device for municipal water supply and sewerage according to claim 5, wherein ​

Images